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Pole splitting

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is large, this zero is important only at frequencies too high to matter in this discussion, so the numerator can be approximated as unity.) However, although the amplifier does have a two-pole behavior, the two time-constants are more complicated than the above expression suggests because the Miller
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in the amplifier of Figure 1 has two results: first it causes the lowest frequency pole of the amplifier to move still lower in frequency and second, it causes the higher pole to move higher in frequency. The amplifier of Figure 1 has a low frequency pole due to the added input resistance
593: 4325:{\displaystyle {\begin{aligned}\tau _{2}&={\frac {(C_{C}C_{L}+C_{L}C_{i}+C_{i}C_{C})(R_{A}\|R_{i})(R_{O}\|R_{L})}{(C_{M}+C_{i})(R_{A}\|R_{i})+(C_{L}+C_{C})(R_{o}\|R_{L})}}\\&\approx {\frac {C_{C}C_{L}+C_{L}C_{i}+C_{i}C_{C}}{C_{M}}}(R_{O}\|R_{L})\ ,\\\end{aligned}}} 3830: 4870: 416: 4911: 708:
Turning to the second objective, showing the higher pole moves still higher in frequency, it is necessary to look at the output side of the circuit, which contributes a second factor to the overall gain, and additional frequency dependence. The voltage
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lowest in frequency (usually an input pole) to lower frequencies, pole splitting causes the pole next in frequency (usually an output pole) to move to a higher frequency. This pole movement increases the stability of the amplifier and improves its
1940:{\displaystyle {\begin{aligned}C_{M}&=C_{C}\left(1-{\frac {v_{\ell }}{v_{i}}}\right)\\&=C_{C}\left(1-A_{v}{\frac {R_{L}}{R_{L}+R_{o}}}{\frac {1+j\omega C_{C}R_{o}/A_{v}}{1+j\omega (C_{L}+C_{C})(R_{o}\|R_{L})}}\right)\ .\\\end{aligned}}} 1587: 1113: 5413: 4672: 2898: 1215: 1337: 85:
to replace the compensation capacitor with a Miller capacitor at the input and a frequency-dependent current source at the output. (edit: This figure is faulty, as the + and - signs should be switched. There needs to be negative
1967: 963: 3522: 2770: 1437: 3128: 2667: 2542: 442: 4486:, the Bode gain plot breaks slope to fall at 20 dB/decade. The aim is to maintain the 20 dB/decade slope all the way down to zero dB, and taking the ratio of the desired drop in gain (in dB) of 20 log 5550:. Figure 4 shows an example using this equation. At low values of gain this example amplifier satisfies the pole-ratio condition without compensation (that is, in Figure 4 the compensation capacitor 4701:
is not this large, the second break in the Bode plot that occurs at the second pole interrupts the plot before the gain drops to 0 dB with consequent lower stability and degraded step response.
703: 3709: 4734: 3914: 3133: 1647: 447: 2456: 253: 5109:{\displaystyle {\frac {\tau _{1}}{\tau _{2}}}\approx {\frac {(\tau _{1}+\tau _{2})^{2}}{\tau _{1}\tau _{2}}}\approx A_{v}{\frac {R_{i}}{R_{i}+R_{A}}}\cdot {\frac {R_{L}}{R_{L}+R_{o}}}\ ,} 4465:) requires the amplifier gain to drop at 20 dB/decade from the corner frequency down to 0 dB gain, or even lower. With this design the amplifier is stable and has near-optimal 5897:
As an aside, the higher the high-frequency pole is made in frequency, the more likely it becomes for a real amplifier that other poles (not considered in this analysis) play a part.
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capacitance contains a buried frequency dependence that has no importance at low frequencies, but has considerable effect at high frequencies. That is, assuming the output
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The above is a small-signal analysis. However, when large signals are used, the need to charge and discharge the compensation capacitor adversely affects the amplifier
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At low frequencies near the lowest pole of this amplifier, ordinarily the linear term in ω is more important than the quadratic term, so the low frequency behavior of
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The sum of the time constants is the coefficient of the term linear in jω and the product of the time constants is the coefficient of the quadratic term in (jω).
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This gain formula appears to show a simple two-pole response with two time constants. (It also exhibits a zero in the numerator but, assuming the amplifier gain
1128: 1229: 2158:{\displaystyle {\frac {v_{\ell }}{v_{a}}}=A_{v}{\frac {R_{i}}{R_{i}+R_{A}}}{\frac {R_{L}}{R_{L}+R_{o}}}{\frac {1+j\omega C_{C}R_{o}/A_{v}}{D_{\omega }}}\ ,} 5888:, but the difference is minor assuming the load capacitance is not so large that it controls the low frequency response instead of the Miller capacitance. 873: 5557:
is small at low gain), but as gain increases, a compensation capacitance rapidly becomes necessary (that is, in Figure 4 the compensation capacitor
3416: 3385:{\displaystyle {\begin{aligned}\ D_{\omega }&=1+j\omega \\&=1+j\omega (\tau _{1}+\tau _{2})\approx 1+j\omega \tau _{1}\ ,\ \\\end{aligned}}} 2682: 1341: 2546: 2460: 588:{\displaystyle {\begin{aligned}f_{1}&={\frac {1}{2\pi (C_{M}+C_{i})(R_{A}\|R_{i})}}\\&={\frac {1}{2\pi \tau _{1}}}\ ,\\\end{aligned}}} 5715: 1626:), corresponds to a frequency well above the low frequency pole, the accurate form of the Miller capacitance must be used, rather than the 6025:
design for a two-pole amplifier. However, real amplifiers have more than two poles, and a factor greater than two often is necessary.
5752: 5989: 5948: 5918: 5796: 5762: 2968:. They correspond to the time constants of the two poles of the amplifier. One or the other time constant is the longest; suppose 5979: 1120:
This expression is combined with the gain factor found earlier for the input side of the circuit to obtain the overall gain as
3825:{\displaystyle \tau _{2}={\frac {\tau _{1}\tau _{2}}{\tau _{1}}}\approx {\frac {\tau _{1}\tau _{2}}{\tau _{1}+\tau _{2}}}\ .} 627:
for the time constant of the lowest pole. This frequency is lower than the initial low frequency of the amplifier, which for
4865:{\displaystyle {\frac {\tau _{1}}{\tau _{2}}}\approx A_{v}{\frac {R_{i}}{R_{i}+R_{A}}}\cdot {\frac {R_{L}}{R_{L}+R_{o}}}\ ,} 637: 181:, the circuit of Figure 1 is transformed to that of Figure 2, which is electrically equivalent to Figure 1. Application of 5705: 5564:
increases rapidly with gain) because the necessary pole ratio increases with gain. For still larger gain, the necessary
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is negative.) Upon substitution of this result into the gain expression and collecting terms, the gain is rewritten as:
411:{\displaystyle {\frac {v_{i}}{v_{a}}}={\frac {R_{i}}{R_{i}+R_{A}}}{\frac {1}{1+j\omega (C_{M}+C_{i})(R_{A}\|R_{i})}}\ ,} 808:
Using this relation and applying Kirchhoff's current law to the output side of the circuit determines the load voltage
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Although this example appears very specific, the associated mathematical analysis is very much used in circuit design.
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The first objective, to show the lowest pole moves down in frequency, is established using the same approach as the
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is valid, the second time constant, the position of the high frequency pole, is found from the quadratic term in
6066: 73:. (edit: This figure is faulty, as the + and - signs should be switched. There needs to be negative feedback.) 5531:{\displaystyle {\color {White}\cdot }=A_{v}{\frac {R_{i}}{R_{i}+R_{A}}}\cdot {\frac {R_{L}}{R_{L}+R_{o}}}\ ,} 4704:
Figure 3 shows that to obtain the correct gain dependence on frequency, the second pole is at least a factor
163:). The upward movement of the high-frequency pole occurs because the Miller-amplified compensation capacitor 32: 747: 5638: 20: 3840: 2185: 24: 1582:{\displaystyle \cdot {\frac {1+j\omega C_{C}R_{o}/A_{v}}{1+j\omega (C_{L}+C_{C})(R_{o}\|R_{L})}}\ .} 1108:{\displaystyle \cdot {\frac {1+j\omega C_{C}R_{o}/A_{v}}{1+j\omega (C_{L}+C_{C})(R_{o}\|R_{L})}}\ .} 1631: 1627: 178: 128: 82: 31:
is introduced between the input and output sides of the amplifier with the intention of moving the
5408:{\displaystyle {\frac {^{2}}{(C_{C}C_{L}+C_{L}C_{i}+C_{i}C_{C})(R_{A}\|R_{i})(R_{O}\|R_{L})}}\,\!} 2310: 6022: 5725: 5687: 3620: 5832: 4424: 4347: 3877: 3670: 3586: 3559: 3532: 3079: 3052: 3025: 2998: 2971: 2937: 2910: 811: 603: 5985: 5944: 5938: 5914: 5792: 5758: 5711: 838: 712: 218: 188: 5691: 4712: 4667:{\displaystyle =20{\frac {\mathrm {log_{10}} (A_{v})}{\mathrm {log_{10}} (f_{2}/f_{1})}}\ ,} 3529:
which is simply the previous Miller capacitance evaluated at low frequencies. On this basis
5913:(Fifth ed.). New York: Oxford University Press. pp. 849 and Example 8.6, p. 853. 4469:
even as a unity gain voltage buffer. A more aggressive technique is two-pole compensation.
2893:{\displaystyle =1+j\omega ({\tau }_{1}+{\tau }_{2}))+(j\omega )^{2}\tau _{1}\tau _{2}\ ,\ } 2213: 1210:{\displaystyle {\frac {v_{\ell }}{v_{a}}}={\frac {v_{\ell }}{v_{i}}}{\frac {v_{i}}{v_{a}}}} 5737: 4896: 4877: 2674:
Every quadratic has two factors, and this expression looks simpler if it is rewritten as
131:. The amplifier is given a high frequency output pole by addition of the load resistance 3667:
At high frequencies the quadratic term becomes important. Assuming the above result for
1332:{\displaystyle =A_{v}{\frac {R_{i}}{R_{i}+R_{A}}}\cdot {\frac {R_{L}}{R_{L}+R_{o}}}\,\!} 5663: 5622:; in particular, the response to an input ramp signal is limited by the need to charge 3837:
Substituting in this expression the quadratic coefficient corresponding to the product
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Intuitive analog circuit design: a problem-solving approach using design case studies
5658: 5648: 5643: 5607: 4466: 3405: 174: 37: 958:{\displaystyle {\frac {v_{\ell }}{v_{i}}}=A_{v}{\frac {R_{L}}{R_{L}+R_{o}}}\,\!} 3517:{\displaystyle C_{M}=C_{C}\left(1-A_{v}{\frac {R_{L}}{R_{L}+R_{o}}}\right)\ ,} 81:
Figure 2: Operational amplifier with compensation capacitor transformed using
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is the longest time constant, corresponding to the lowest pole, and suppose
2765:{\displaystyle \ D_{\omega }=(1+j\omega {\tau }_{1})(1+j\omega {\tau }_{2})} 1432:{\displaystyle \cdot {\frac {1}{1+j\omega (C_{M}+C_{i})(R_{A}\|R_{i})}}\,\!} 28: 5943:. Boston, MA: Kluwer Academic. pp. §6.2, pp.205–206 and Figure 6.2.1. 4392:); that is, the higher pole has moved still higher in frequency because of 5606:
on the right side of this equation. See Sansen or Huijsing and article on
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which provides a quadratic equation to determine an appropriate value for
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higher in frequency than the first pole. The gain is reduced a bit by the
2662:{\displaystyle \ +(j\omega )^{2}C_{C}C_{L}(R_{A}\|R_{i})(R_{O}\|R_{L})\ .} 2537:{\displaystyle \cdot \left(1-A_{v}{\frac {R_{L}}{R_{L}+R_{O}}}\right)\,\!} 5964: 5908: 5782: 424: 2961:
are combinations of the capacitances and resistances in the formula for
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between input and output; notice the amplifier has both input impedance
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to the required change in frequency (on a log frequency scale) of ( log
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is determined by the gain of the ideal op amp inside the amplifier as
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This example shows that introduction of the capacitor referred to as C
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That is, the frequency is plotted in powers of ten, as 1, 10, 10
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Using the approximations for the time constants developed above,
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at the input and output of the amplifier, so with corrections to
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to the ideal op amp as a function of the applied signal voltage
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drops with increasing gain because the Miller amplification of
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for a two pole amplifier design. Gain drops from first pole at
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moved the low pole lower and the high pole higher, so the term
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alters the frequency dependence of the output voltage divider.
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To provide more safety margin for design uncertainties, often
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to obtain the design is shown in Figure 3. At the lowest pole
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Trade-offs in analog circuit design: the designer's companion
4457:? For general purpose use, traditional design (often called 177:
article. Following the procedure described in the article on
3901:, an estimate for the position of the second pole is found: 52:
Figure 1: Operational amplifier with compensation capacitor
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is selected to be the fastest possible consistent with low
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to the input side of Figure 2 determines the input voltage
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C. Toumazu, Moschytz GS & Gilbert B (Editors) (2007).
5710:. New York/Berlin/Dordrecht: Springer. pp. 272–275. 5835: 5420: 5132: 4914: 4737: 4560: 4350: 3912: 3880: 3843: 3712: 3673: 3623: 3589: 3562: 3535: 3419: 3131: 3082: 3055: 3028: 3001: 2974: 2940: 2913: 2787: 2685: 2549: 2463: 2394: 2313: 2216: 2188: 1970: 1645: 1444: 1344: 1232: 1131: 970: 876: 841: 814: 750: 715: 698:{\displaystyle {\frac {1}{2\pi C_{i}(R_{A}\|R_{i})}}} 640: 606: 445: 256: 221: 191: 5787:. New York; Berlin: Springer. pp. §097, p. 266 5848: 5530: 5407: 5108: 4864: 4666: 4363: 4324: 3893: 3866: 3824: 3686: 3638: 3602: 3575: 3548: 3516: 3384: 3095: 3068: 3041: 3014: 2987: 2953: 2926: 2892: 2764: 2661: 2536: 2451:{\displaystyle \ +j\omega C_{C}(R_{A}\|R_{i})\,\!} 2450: 2381: 2300: 2203: 2157: 1939: 1581: 1431: 1331: 1209: 1107: 957: 857: 827: 795: 731: 697: 619: 587: 410: 237: 207: 5404: 4881:Figure 4: Miller capacitance at low frequencies 4722:for the voltage dividers at input and output the 2533: 2447: 2378: 2297: 2200: 1428: 1328: 954: 127:). This pole is moved down in frequency by the 8: 5384: 5355: 5242: 5181: 4446:where the slope increases to 40 dB / decade. 4296: 4172: 4111: 4051: 4022: 3274: 3213: 2637: 2608: 2430: 2358: 2277: 1903: 1554: 1408: 1080: 676: 521: 383: 5932: 5930: 5757:. Amsterdam: Elsevier Newnes. p. 200. 4371:is reduced in size from its original value 19:is a phenomenon exploited in some forms of 3646:is much larger than its original value of 5940:Operational amplifiers: theory and design 5840: 5834: 5513: 5500: 5489: 5483: 5471: 5458: 5447: 5441: 5435: 5421: 5419: 5403: 5391: 5378: 5362: 5349: 5333: 5323: 5310: 5300: 5287: 5277: 5262: 5249: 5236: 5220: 5207: 5188: 5175: 5159: 5146: 5133: 5131: 5091: 5078: 5067: 5061: 5049: 5036: 5025: 5019: 5013: 4997: 4987: 4975: 4965: 4952: 4942: 4931: 4921: 4915: 4913: 4847: 4834: 4823: 4817: 4805: 4792: 4781: 4775: 4769: 4754: 4744: 4738: 4736: 4646: 4637: 4631: 4617: 4606: 4595: 4581: 4570: 4567: 4559: 4439:at 20 dB / decade down to second pole at 4355: 4349: 4303: 4290: 4275: 4264: 4254: 4241: 4231: 4218: 4208: 4201: 4179: 4166: 4150: 4137: 4118: 4105: 4089: 4076: 4058: 4045: 4029: 4016: 4000: 3990: 3977: 3967: 3954: 3944: 3934: 3921: 3913: 3911: 3885: 3879: 3858: 3848: 3842: 3807: 3794: 3782: 3772: 3765: 3754: 3743: 3733: 3726: 3717: 3711: 3678: 3672: 3630: 3625: 3622: 3594: 3588: 3567: 3561: 3540: 3534: 3494: 3481: 3470: 3464: 3458: 3437: 3424: 3418: 3363: 3335: 3322: 3281: 3268: 3252: 3239: 3220: 3207: 3191: 3178: 3143: 3132: 3130: 3087: 3081: 3060: 3054: 3033: 3027: 3006: 3000: 2979: 2973: 2945: 2939: 2918: 2912: 2875: 2865: 2855: 2827: 2822: 2812: 2807: 2786: 2753: 2748: 2723: 2718: 2693: 2684: 2644: 2631: 2615: 2602: 2589: 2579: 2569: 2548: 2532: 2518: 2505: 2494: 2488: 2482: 2462: 2446: 2437: 2424: 2411: 2393: 2377: 2365: 2352: 2339: 2312: 2296: 2284: 2271: 2255: 2242: 2215: 2199: 2193: 2187: 2141: 2130: 2121: 2115: 2105: 2086: 2077: 2064: 2053: 2047: 2038: 2025: 2014: 2008: 2002: 1987: 1977: 1971: 1969: 1910: 1897: 1881: 1868: 1841: 1832: 1826: 1816: 1797: 1788: 1775: 1764: 1758: 1752: 1731: 1704: 1694: 1688: 1671: 1654: 1646: 1644: 1561: 1548: 1532: 1519: 1492: 1483: 1477: 1467: 1448: 1443: 1427: 1415: 1402: 1386: 1373: 1348: 1343: 1327: 1318: 1305: 1294: 1288: 1276: 1263: 1252: 1246: 1240: 1231: 1199: 1189: 1183: 1175: 1165: 1159: 1148: 1138: 1132: 1130: 1087: 1074: 1058: 1045: 1018: 1009: 1003: 993: 974: 969: 953: 944: 931: 920: 914: 908: 893: 883: 877: 875: 849: 840: 819: 813: 781: 771: 758: 749: 723: 714: 683: 670: 657: 641: 639: 611: 605: 566: 550: 528: 515: 499: 486: 467: 454: 446: 444: 390: 377: 361: 348: 323: 314: 301: 290: 284: 273: 263: 257: 255: 229: 220: 199: 190: 5776: 5774: 4876: 4423: 76: 47: 5675: 5733: 5723: 5981:Audio power amplifier design handbook 5578:, which increases with gain (see the 5422: 4895:(bottom) as a function of gain using 1634:, the Miller capacitance is given by 865:at the input to the ideal op amp as: 796:{\displaystyle \ v_{o}=A_{v}v_{i}\ .} 7: 5984:. Oxford: Newnes. pp. 191–193. 4679:which is 20 dB/decade provided 4402:In short, introduction of capacitor 3104: 1952:(For a positive Miller capacitance, 5599:is increased to two or three times 4534:) the slope of the segment between 2177:given by a quadratic in ω, namely: 5907:A.S. Sedra and K.C. Smith (2004). 4614: 4610: 4607: 4578: 4574: 4571: 3867:{\displaystyle \tau _{1}\tau _{2}} 14: 4888:(top) and compensation capacitor 4726:for good step response becomes: 4450:What value is a good choice for 40:at the cost of decreased speed. 6017:A factor of two results in the 5582:), allows a smaller value for 4554:Slope per decade of frequency 3049:. (Good step response requires 2204:{\displaystyle D_{\omega }\,\!} 5397: 5371: 5368: 5342: 5339: 5270: 5259: 5255: 5229: 5226: 5200: 5194: 5168: 5165: 5139: 5136: 4972: 4945: 4652: 4624: 4601: 4588: 4309: 4283: 4185: 4159: 4156: 4130: 4124: 4098: 4095: 4069: 4064: 4038: 4035: 4009: 4006: 3937: 3341: 3315: 3290: 3287: 3261: 3258: 3232: 3226: 3200: 3197: 3171: 3168: 2852: 2842: 2836: 2833: 2803: 2759: 2732: 2729: 2702: 2650: 2624: 2621: 2595: 2566: 2556: 2443: 2417: 2374: 2371: 2345: 2320: 2293: 2290: 2264: 2261: 2235: 2220: 1916: 1890: 1887: 1861: 1630:. According to the article on 1567: 1541: 1538: 1512: 1421: 1395: 1392: 1366: 1093: 1067: 1064: 1038: 689: 663: 534: 508: 505: 479: 396: 370: 367: 341: 1: 835:as a function of the voltage 3874:along with the estimate for 3617:is large, the time constant 2382:{\displaystyle \cdot \ \,\!} 427:with frequency beginning at 5937:Huijsing, Johan H. (2001). 5781:Willy M. C. Sansen (2006). 5579: 4899:. Capacitance units are pF. 3639:{\displaystyle {\tau }_{1}} 6088: 4413:seems a good description. 600:which introduces notation 5881:) as found initially for 5856:differs a little from ( 5849:{\displaystyle \tau _{1}} 5751:Marc T. Thompson (2006). 4364:{\displaystyle \tau _{2}} 3894:{\displaystyle \tau _{1}} 3687:{\displaystyle \tau _{1}} 3603:{\displaystyle \tau _{2}} 3576:{\displaystyle \tau _{1}} 3549:{\displaystyle \tau _{1}} 3096:{\displaystyle \tau _{2}} 3069:{\displaystyle \tau _{1}} 3042:{\displaystyle \tau _{2}} 3015:{\displaystyle \tau _{1}} 2988:{\displaystyle \tau _{1}} 2954:{\displaystyle \tau _{2}} 2927:{\displaystyle \tau _{1}} 828:{\displaystyle v_{\ell }} 620:{\displaystyle \tau _{1}} 145:, with the time constant 109:, with the time constant 44:Example of pole splitting 5910:Microelectronic circuits 5784:Analog design essentials 4463:single-pole compensation 3556:is determined, provided 6050:in the Control Systems 3404:is redefined using the 858:{\displaystyle \ v_{i}} 732:{\displaystyle \ v_{o}} 238:{\displaystyle \ v_{a}} 208:{\displaystyle \ v_{i}} 183:Kirchhoff's current law 6041:in the Circuit Theory 5978:Self, Douglas (2006). 5850: 5639:Frequency compensation 5532: 5409: 5110: 4900: 4866: 4668: 4506: − log 4447: 4365: 4326: 3895: 3868: 3826: 3688: 3640: 3604: 3577: 3550: 3518: 3386: 3097: 3070: 3043: 3016: 2989: 2955: 2928: 2894: 2766: 2663: 2538: 2452: 2383: 2302: 2205: 2159: 1941: 1583: 1433: 1333: 1211: 1109: 959: 859: 829: 797: 733: 699: 621: 589: 412: 239: 209: 87: 74: 21:frequency compensation 5966:Two-pole compensation 5851: 5533: 5410: 5111: 4880: 4867: 4669: 4427: 4366: 4327: 3896: 3869: 3827: 3689: 3641: 3605: 3578: 3551: 3519: 3387: 3098: 3071: 3044: 3017: 2990: 2956: 2929: 2895: 2767: 2664: 2539: 2453: 2384: 2303: 2301:{\displaystyle =\,\!} 2206: 2160: 1942: 1584: 1434: 1334: 1212: 1110: 960: 860: 830: 798: 734: 700: 622: 590: 413: 240: 210: 80: 66:and output impedance 51: 5833: 5670:References and notes 5418: 5130: 4912: 4735: 4724:pole-ratio condition 4558: 4472:The way to position 4428:Figure 3: Idealized 4348: 3910: 3878: 3841: 3710: 3671: 3621: 3587: 3560: 3533: 3417: 3406:Miller approximation 3129: 3080: 3053: 3026: 2999: 2972: 2938: 2911: 2785: 2683: 2547: 2461: 2392: 2311: 2214: 2186: 1968: 1643: 1628:Miller approximation 1442: 1342: 1230: 1129: 968: 874: 839: 812: 748: 713: 638: 604: 443: 254: 219: 189: 25:electronic amplifier 5829:The expression for 4344:is large, it seems 5846: 5736:has generic name ( 5528: 5426: 5405: 5106: 4901: 4862: 4664: 4448: 4361: 4322: 4320: 3891: 3864: 3822: 3684: 3636: 3600: 3573: 3546: 3514: 3382: 3380: 3093: 3066: 3039: 3012: 2985: 2951: 2924: 2890: 2762: 2659: 2534: 2448: 2379: 2298: 2201: 2155: 1937: 1935: 1579: 1429: 1329: 1207: 1105: 955: 855: 825: 793: 729: 695: 617: 585: 583: 408: 235: 205: 88: 75: 6072:Electronic design 5717:978-1-4020-7037-2 5524: 5520: 5478: 5401: 5102: 5098: 5056: 5004: 4937: 4858: 4854: 4812: 4760: 4660: 4656: 4314: 4281: 4189: 3818: 3814: 3760: 3510: 3501: 3377: 3371: 3138: 2889: 2883: 2688: 2655: 2552: 2525: 2397: 2319: 2151: 2147: 2084: 2045: 1993: 1929: 1920: 1795: 1710: 1575: 1571: 1425: 1325: 1283: 1205: 1181: 1154: 1101: 1097: 951: 899: 844: 789: 753: 718: 693: 577: 573: 538: 423:which exhibits a 404: 400: 321: 279: 224: 194: 6079: 6026: 6015: 6009: 6002: 5996: 5995: 5975: 5969: 5963:Feucht, Dennis: 5961: 5955: 5954: 5934: 5925: 5924: 5904: 5898: 5895: 5889: 5855: 5853: 5852: 5847: 5845: 5844: 5827: 5821: 5818: 5812: 5809: 5803: 5802: 5778: 5769: 5768: 5748: 5742: 5741: 5735: 5731: 5729: 5721: 5701: 5695: 5680: 5537: 5535: 5534: 5529: 5522: 5521: 5519: 5518: 5517: 5505: 5504: 5494: 5493: 5484: 5479: 5477: 5476: 5475: 5463: 5462: 5452: 5451: 5442: 5440: 5439: 5427: 5414: 5412: 5411: 5406: 5402: 5400: 5396: 5395: 5383: 5382: 5367: 5366: 5354: 5353: 5338: 5337: 5328: 5327: 5315: 5314: 5305: 5304: 5292: 5291: 5282: 5281: 5268: 5267: 5266: 5254: 5253: 5241: 5240: 5225: 5224: 5212: 5211: 5193: 5192: 5180: 5179: 5164: 5163: 5151: 5150: 5134: 5115: 5113: 5112: 5107: 5100: 5099: 5097: 5096: 5095: 5083: 5082: 5072: 5071: 5062: 5057: 5055: 5054: 5053: 5041: 5040: 5030: 5029: 5020: 5018: 5017: 5005: 5003: 5002: 5001: 4992: 4991: 4981: 4980: 4979: 4970: 4969: 4957: 4956: 4943: 4938: 4936: 4935: 4926: 4925: 4916: 4871: 4869: 4868: 4863: 4856: 4855: 4853: 4852: 4851: 4839: 4838: 4828: 4827: 4818: 4813: 4811: 4810: 4809: 4797: 4796: 4786: 4785: 4776: 4774: 4773: 4761: 4759: 4758: 4749: 4748: 4739: 4713:voltage dividers 4673: 4671: 4670: 4665: 4658: 4657: 4655: 4651: 4650: 4641: 4636: 4635: 4623: 4622: 4621: 4604: 4600: 4599: 4587: 4586: 4585: 4568: 4370: 4368: 4367: 4362: 4360: 4359: 4331: 4329: 4328: 4323: 4321: 4312: 4308: 4307: 4295: 4294: 4282: 4280: 4279: 4270: 4269: 4268: 4259: 4258: 4246: 4245: 4236: 4235: 4223: 4222: 4213: 4212: 4202: 4194: 4190: 4188: 4184: 4183: 4171: 4170: 4155: 4154: 4142: 4141: 4123: 4122: 4110: 4109: 4094: 4093: 4081: 4080: 4067: 4063: 4062: 4050: 4049: 4034: 4033: 4021: 4020: 4005: 4004: 3995: 3994: 3982: 3981: 3972: 3971: 3959: 3958: 3949: 3948: 3935: 3926: 3925: 3900: 3898: 3897: 3892: 3890: 3889: 3873: 3871: 3870: 3865: 3863: 3862: 3853: 3852: 3831: 3829: 3828: 3823: 3816: 3815: 3813: 3812: 3811: 3799: 3798: 3788: 3787: 3786: 3777: 3776: 3766: 3761: 3759: 3758: 3749: 3748: 3747: 3738: 3737: 3727: 3722: 3721: 3693: 3691: 3690: 3685: 3683: 3682: 3645: 3643: 3642: 3637: 3635: 3634: 3629: 3609: 3607: 3606: 3601: 3599: 3598: 3582: 3580: 3579: 3574: 3572: 3571: 3555: 3553: 3552: 3547: 3545: 3544: 3523: 3521: 3520: 3515: 3508: 3507: 3503: 3502: 3500: 3499: 3498: 3486: 3485: 3475: 3474: 3465: 3463: 3462: 3442: 3441: 3429: 3428: 3391: 3389: 3388: 3383: 3381: 3375: 3369: 3368: 3367: 3340: 3339: 3327: 3326: 3296: 3286: 3285: 3273: 3272: 3257: 3256: 3244: 3243: 3225: 3224: 3212: 3211: 3196: 3195: 3183: 3182: 3148: 3147: 3136: 3102: 3100: 3099: 3094: 3092: 3091: 3075: 3073: 3072: 3067: 3065: 3064: 3048: 3046: 3045: 3040: 3038: 3037: 3021: 3019: 3018: 3013: 3011: 3010: 2994: 2992: 2991: 2986: 2984: 2983: 2960: 2958: 2957: 2952: 2950: 2949: 2933: 2931: 2930: 2925: 2923: 2922: 2899: 2897: 2896: 2891: 2887: 2881: 2880: 2879: 2870: 2869: 2860: 2859: 2832: 2831: 2826: 2817: 2816: 2811: 2771: 2769: 2768: 2763: 2758: 2757: 2752: 2728: 2727: 2722: 2698: 2697: 2686: 2668: 2666: 2665: 2660: 2653: 2649: 2648: 2636: 2635: 2620: 2619: 2607: 2606: 2594: 2593: 2584: 2583: 2574: 2573: 2550: 2543: 2541: 2540: 2535: 2531: 2527: 2526: 2524: 2523: 2522: 2510: 2509: 2499: 2498: 2489: 2487: 2486: 2457: 2455: 2454: 2449: 2442: 2441: 2429: 2428: 2416: 2415: 2395: 2388: 2386: 2385: 2380: 2370: 2369: 2357: 2356: 2344: 2343: 2317: 2307: 2305: 2304: 2299: 2289: 2288: 2276: 2275: 2260: 2259: 2247: 2246: 2210: 2208: 2207: 2202: 2198: 2197: 2164: 2162: 2161: 2156: 2149: 2148: 2146: 2145: 2136: 2135: 2134: 2125: 2120: 2119: 2110: 2109: 2087: 2085: 2083: 2082: 2081: 2069: 2068: 2058: 2057: 2048: 2046: 2044: 2043: 2042: 2030: 2029: 2019: 2018: 2009: 2007: 2006: 1994: 1992: 1991: 1982: 1981: 1972: 1946: 1944: 1943: 1938: 1936: 1927: 1926: 1922: 1921: 1919: 1915: 1914: 1902: 1901: 1886: 1885: 1873: 1872: 1847: 1846: 1845: 1836: 1831: 1830: 1821: 1820: 1798: 1796: 1794: 1793: 1792: 1780: 1779: 1769: 1768: 1759: 1757: 1756: 1736: 1735: 1720: 1716: 1712: 1711: 1709: 1708: 1699: 1698: 1689: 1676: 1675: 1659: 1658: 1588: 1586: 1585: 1580: 1573: 1572: 1570: 1566: 1565: 1553: 1552: 1537: 1536: 1524: 1523: 1498: 1497: 1496: 1487: 1482: 1481: 1472: 1471: 1449: 1438: 1436: 1435: 1430: 1426: 1424: 1420: 1419: 1407: 1406: 1391: 1390: 1378: 1377: 1349: 1338: 1336: 1335: 1330: 1326: 1324: 1323: 1322: 1310: 1309: 1299: 1298: 1289: 1284: 1282: 1281: 1280: 1268: 1267: 1257: 1256: 1247: 1245: 1244: 1216: 1214: 1213: 1208: 1206: 1204: 1203: 1194: 1193: 1184: 1182: 1180: 1179: 1170: 1169: 1160: 1155: 1153: 1152: 1143: 1142: 1133: 1114: 1112: 1111: 1106: 1099: 1098: 1096: 1092: 1091: 1079: 1078: 1063: 1062: 1050: 1049: 1024: 1023: 1022: 1013: 1008: 1007: 998: 997: 975: 964: 962: 961: 956: 952: 950: 949: 948: 936: 935: 925: 924: 915: 913: 912: 900: 898: 897: 888: 887: 878: 864: 862: 861: 856: 854: 853: 842: 834: 832: 831: 826: 824: 823: 802: 800: 799: 794: 787: 786: 785: 776: 775: 763: 762: 751: 738: 736: 735: 730: 728: 727: 716: 704: 702: 701: 696: 694: 692: 688: 687: 675: 674: 662: 661: 642: 626: 624: 623: 618: 616: 615: 594: 592: 591: 586: 584: 575: 574: 572: 571: 570: 551: 543: 539: 537: 533: 532: 520: 519: 504: 503: 491: 490: 468: 459: 458: 417: 415: 414: 409: 402: 401: 399: 395: 394: 382: 381: 366: 365: 353: 352: 324: 322: 320: 319: 318: 306: 305: 295: 294: 285: 280: 278: 277: 268: 267: 258: 244: 242: 241: 236: 234: 233: 222: 214: 212: 211: 206: 204: 203: 192: 179:Miller's theorem 175:Miller's theorem 138:and capacitance 102:and capacitance 83:Miller's theorem 6087: 6086: 6082: 6081: 6080: 6078: 6077: 6076: 6067:Analog circuits 6057: 6056: 6035: 6030: 6029: 6016: 6012: 6003: 5999: 5992: 5977: 5976: 5972: 5962: 5958: 5951: 5936: 5935: 5928: 5921: 5906: 5905: 5901: 5896: 5892: 5886: 5879: 5872: 5865: 5861: 5836: 5831: 5830: 5828: 5824: 5819: 5815: 5810: 5806: 5799: 5780: 5779: 5772: 5765: 5750: 5749: 5745: 5732: 5722: 5718: 5703: 5702: 5698: 5681: 5677: 5672: 5635: 5627: 5616: 5604: 5597: 5587: 5580:Miller equation 5576: 5569: 5562: 5555: 5548: 5509: 5496: 5495: 5485: 5467: 5454: 5453: 5443: 5431: 5416: 5415: 5387: 5374: 5358: 5345: 5329: 5319: 5306: 5296: 5283: 5273: 5269: 5258: 5245: 5232: 5216: 5203: 5184: 5171: 5155: 5142: 5135: 5128: 5127: 5087: 5074: 5073: 5063: 5045: 5032: 5031: 5021: 5009: 4993: 4983: 4982: 4971: 4961: 4948: 4944: 4927: 4917: 4910: 4909: 4893: 4886: 4843: 4830: 4829: 4819: 4801: 4788: 4787: 4777: 4765: 4750: 4740: 4733: 4732: 4720: 4709: 4699: 4692: 4688: 4684: 4642: 4627: 4613: 4605: 4591: 4577: 4569: 4556: 4555: 4547: 4540: 4533: 4526: 4519: 4515: 4509: 4505: 4499: 4494: 4489: 4485: 4478: 4455: 4444: 4437: 4422: 4420: 4407: 4397: 4390: 4383: 4376: 4351: 4346: 4345: 4342: 4319: 4318: 4299: 4286: 4271: 4260: 4250: 4237: 4227: 4214: 4204: 4203: 4192: 4191: 4175: 4162: 4146: 4133: 4114: 4101: 4085: 4072: 4068: 4054: 4041: 4025: 4012: 3996: 3986: 3973: 3963: 3950: 3940: 3936: 3927: 3917: 3908: 3907: 3881: 3876: 3875: 3854: 3844: 3839: 3838: 3803: 3790: 3789: 3778: 3768: 3767: 3750: 3739: 3729: 3728: 3713: 3708: 3707: 3699: 3674: 3669: 3668: 3662: 3658: 3651: 3624: 3619: 3618: 3615: 3590: 3585: 3584: 3563: 3558: 3557: 3536: 3531: 3530: 3490: 3477: 3476: 3466: 3454: 3447: 3443: 3433: 3420: 3415: 3414: 3402: 3379: 3378: 3359: 3331: 3318: 3294: 3293: 3277: 3264: 3248: 3235: 3216: 3203: 3187: 3174: 3149: 3139: 3127: 3126: 3118: 3108: 3083: 3078: 3077: 3056: 3051: 3050: 3029: 3024: 3023: 3002: 2997: 2996: 2975: 2970: 2969: 2966: 2941: 2936: 2935: 2914: 2909: 2908: 2871: 2861: 2851: 2821: 2806: 2783: 2782: 2747: 2717: 2689: 2681: 2680: 2640: 2627: 2611: 2598: 2585: 2575: 2565: 2545: 2544: 2514: 2501: 2500: 2490: 2478: 2471: 2467: 2459: 2458: 2433: 2420: 2407: 2390: 2389: 2361: 2348: 2335: 2309: 2308: 2280: 2267: 2251: 2238: 2212: 2211: 2189: 2184: 2183: 2175: 2137: 2126: 2111: 2101: 2088: 2073: 2060: 2059: 2049: 2034: 2021: 2020: 2010: 1998: 1983: 1973: 1966: 1965: 1957: 1934: 1933: 1906: 1893: 1877: 1864: 1848: 1837: 1822: 1812: 1799: 1784: 1771: 1770: 1760: 1748: 1741: 1737: 1727: 1718: 1717: 1700: 1690: 1681: 1677: 1667: 1660: 1650: 1641: 1640: 1624: 1620: 1613: 1601: 1557: 1544: 1528: 1515: 1499: 1488: 1473: 1463: 1450: 1440: 1439: 1411: 1398: 1382: 1369: 1353: 1340: 1339: 1314: 1301: 1300: 1290: 1272: 1259: 1258: 1248: 1236: 1228: 1227: 1195: 1185: 1171: 1161: 1144: 1134: 1127: 1126: 1083: 1070: 1054: 1041: 1025: 1014: 999: 989: 976: 966: 965: 940: 927: 926: 916: 904: 889: 879: 872: 871: 845: 837: 836: 815: 810: 809: 777: 767: 754: 746: 745: 719: 711: 710: 679: 666: 653: 646: 636: 635: 632: 607: 602: 601: 582: 581: 562: 555: 541: 540: 524: 511: 495: 482: 472: 460: 450: 441: 440: 432: 386: 373: 357: 344: 328: 310: 297: 296: 286: 269: 259: 252: 251: 225: 217: 216: 195: 187: 186: 168: 161: 157: 150: 143: 136: 125: 121: 114: 107: 100: 93: 71: 64: 57: 46: 12: 11: 5: 6085: 6083: 6075: 6074: 6069: 6059: 6058: 6055: 6054: 6045: 6034: 6033:External links 6031: 6028: 6027: 6019:maximally flat 6010: 5997: 5990: 5970: 5956: 5949: 5926: 5919: 5899: 5890: 5884: 5877: 5870: 5863: 5859: 5843: 5839: 5822: 5813: 5804: 5797: 5770: 5763: 5743: 5716: 5696: 5674: 5673: 5671: 5668: 5667: 5666: 5664:CMOS amplifier 5661: 5656: 5651: 5646: 5641: 5634: 5631: 5625: 5615: 5612: 5602: 5595: 5585: 5574: 5567: 5560: 5553: 5546: 5541: 5540: 5539: 5538: 5527: 5516: 5512: 5508: 5503: 5499: 5492: 5488: 5482: 5474: 5470: 5466: 5461: 5457: 5450: 5446: 5438: 5434: 5430: 5425: 5399: 5394: 5390: 5386: 5381: 5377: 5373: 5370: 5365: 5361: 5357: 5352: 5348: 5344: 5341: 5336: 5332: 5326: 5322: 5318: 5313: 5309: 5303: 5299: 5295: 5290: 5286: 5280: 5276: 5272: 5265: 5261: 5257: 5252: 5248: 5244: 5239: 5235: 5231: 5228: 5223: 5219: 5215: 5210: 5206: 5202: 5199: 5196: 5191: 5187: 5183: 5178: 5174: 5170: 5167: 5162: 5158: 5154: 5149: 5145: 5141: 5138: 5119: 5118: 5117: 5116: 5105: 5094: 5090: 5086: 5081: 5077: 5070: 5066: 5060: 5052: 5048: 5044: 5039: 5035: 5028: 5024: 5016: 5012: 5008: 5000: 4996: 4990: 4986: 4978: 4974: 4968: 4964: 4960: 4955: 4951: 4947: 4941: 4934: 4930: 4924: 4920: 4891: 4884: 4875: 4874: 4873: 4872: 4861: 4850: 4846: 4842: 4837: 4833: 4826: 4822: 4816: 4808: 4804: 4800: 4795: 4791: 4784: 4780: 4772: 4768: 4764: 4757: 4753: 4747: 4743: 4718: 4707: 4697: 4690: 4686: 4682: 4677: 4676: 4675: 4674: 4663: 4654: 4649: 4645: 4640: 4634: 4630: 4626: 4620: 4616: 4612: 4609: 4603: 4598: 4594: 4590: 4584: 4580: 4576: 4573: 4566: 4563: 4545: 4538: 4531: 4524: 4517: 4513: 4507: 4503: 4497: 4492: 4487: 4483: 4476: 4453: 4442: 4435: 4421: 4418: 4417:Selection of C 4415: 4411:pole splitting 4405: 4395: 4388: 4381: 4374: 4358: 4354: 4340: 4335: 4334: 4333: 4332: 4317: 4311: 4306: 4302: 4298: 4293: 4289: 4285: 4278: 4274: 4267: 4263: 4257: 4253: 4249: 4244: 4240: 4234: 4230: 4226: 4221: 4217: 4211: 4207: 4200: 4197: 4195: 4193: 4187: 4182: 4178: 4174: 4169: 4165: 4161: 4158: 4153: 4149: 4145: 4140: 4136: 4132: 4129: 4126: 4121: 4117: 4113: 4108: 4104: 4100: 4097: 4092: 4088: 4084: 4079: 4075: 4071: 4066: 4061: 4057: 4053: 4048: 4044: 4040: 4037: 4032: 4028: 4024: 4019: 4015: 4011: 4008: 4003: 3999: 3993: 3989: 3985: 3980: 3976: 3970: 3966: 3962: 3957: 3953: 3947: 3943: 3939: 3933: 3930: 3928: 3924: 3920: 3916: 3915: 3888: 3884: 3861: 3857: 3851: 3847: 3835: 3834: 3833: 3832: 3821: 3810: 3806: 3802: 3797: 3793: 3785: 3781: 3775: 3771: 3764: 3757: 3753: 3746: 3742: 3736: 3732: 3725: 3720: 3716: 3697: 3681: 3677: 3660: 3656: 3649: 3633: 3628: 3613: 3597: 3593: 3570: 3566: 3543: 3539: 3527: 3526: 3525: 3524: 3513: 3506: 3497: 3493: 3489: 3484: 3480: 3473: 3469: 3461: 3457: 3453: 3450: 3446: 3440: 3436: 3432: 3427: 3423: 3400: 3395: 3394: 3393: 3392: 3374: 3366: 3362: 3358: 3355: 3352: 3349: 3346: 3343: 3338: 3334: 3330: 3325: 3321: 3317: 3314: 3311: 3308: 3305: 3302: 3299: 3297: 3295: 3292: 3289: 3284: 3280: 3276: 3271: 3267: 3263: 3260: 3255: 3251: 3247: 3242: 3238: 3234: 3231: 3228: 3223: 3219: 3215: 3210: 3206: 3202: 3199: 3194: 3190: 3186: 3181: 3177: 3173: 3170: 3167: 3164: 3161: 3158: 3155: 3152: 3150: 3146: 3142: 3135: 3134: 3116: 3106: 3105:Selection of C 3090: 3086: 3063: 3059: 3036: 3032: 3009: 3005: 2982: 2978: 2964: 2948: 2944: 2921: 2917: 2905: 2904: 2903: 2902: 2901: 2900: 2886: 2878: 2874: 2868: 2864: 2858: 2854: 2850: 2847: 2844: 2841: 2838: 2835: 2830: 2825: 2820: 2815: 2810: 2805: 2802: 2799: 2796: 2793: 2790: 2775: 2774: 2773: 2772: 2761: 2756: 2751: 2746: 2743: 2740: 2737: 2734: 2731: 2726: 2721: 2716: 2713: 2710: 2707: 2704: 2701: 2696: 2692: 2672: 2671: 2670: 2669: 2658: 2652: 2647: 2643: 2639: 2634: 2630: 2626: 2623: 2618: 2614: 2610: 2605: 2601: 2597: 2592: 2588: 2582: 2578: 2572: 2568: 2564: 2561: 2558: 2555: 2530: 2521: 2517: 2513: 2508: 2504: 2497: 2493: 2485: 2481: 2477: 2474: 2470: 2466: 2445: 2440: 2436: 2432: 2427: 2423: 2419: 2414: 2410: 2406: 2403: 2400: 2376: 2373: 2368: 2364: 2360: 2355: 2351: 2347: 2342: 2338: 2334: 2331: 2328: 2325: 2322: 2316: 2295: 2292: 2287: 2283: 2279: 2274: 2270: 2266: 2263: 2258: 2254: 2250: 2245: 2241: 2237: 2234: 2231: 2228: 2225: 2222: 2219: 2196: 2192: 2173: 2168: 2167: 2166: 2165: 2154: 2144: 2140: 2133: 2129: 2124: 2118: 2114: 2108: 2104: 2100: 2097: 2094: 2091: 2080: 2076: 2072: 2067: 2063: 2056: 2052: 2041: 2037: 2033: 2028: 2024: 2017: 2013: 2005: 2001: 1997: 1990: 1986: 1980: 1976: 1955: 1950: 1949: 1948: 1947: 1932: 1925: 1918: 1913: 1909: 1905: 1900: 1896: 1892: 1889: 1884: 1880: 1876: 1871: 1867: 1863: 1860: 1857: 1854: 1851: 1844: 1840: 1835: 1829: 1825: 1819: 1815: 1811: 1808: 1805: 1802: 1791: 1787: 1783: 1778: 1774: 1767: 1763: 1755: 1751: 1747: 1744: 1740: 1734: 1730: 1726: 1723: 1721: 1719: 1715: 1707: 1703: 1697: 1693: 1687: 1684: 1680: 1674: 1670: 1666: 1663: 1661: 1657: 1653: 1649: 1648: 1622: 1618: 1611: 1599: 1594: 1593: 1592: 1591: 1590: 1589: 1578: 1569: 1564: 1560: 1556: 1551: 1547: 1543: 1540: 1535: 1531: 1527: 1522: 1518: 1514: 1511: 1508: 1505: 1502: 1495: 1491: 1486: 1480: 1476: 1470: 1466: 1462: 1459: 1456: 1453: 1447: 1423: 1418: 1414: 1410: 1405: 1401: 1397: 1394: 1389: 1385: 1381: 1376: 1372: 1368: 1365: 1362: 1359: 1356: 1352: 1347: 1321: 1317: 1313: 1308: 1304: 1297: 1293: 1287: 1279: 1275: 1271: 1266: 1262: 1255: 1251: 1243: 1239: 1235: 1220: 1219: 1218: 1217: 1202: 1198: 1192: 1188: 1178: 1174: 1168: 1164: 1158: 1151: 1147: 1141: 1137: 1118: 1117: 1116: 1115: 1104: 1095: 1090: 1086: 1082: 1077: 1073: 1069: 1066: 1061: 1057: 1053: 1048: 1044: 1040: 1037: 1034: 1031: 1028: 1021: 1017: 1012: 1006: 1002: 996: 992: 988: 985: 982: 979: 973: 947: 943: 939: 934: 930: 923: 919: 911: 907: 903: 896: 892: 886: 882: 852: 848: 822: 818: 806: 805: 804: 803: 792: 784: 780: 774: 770: 766: 761: 757: 726: 722: 691: 686: 682: 678: 673: 669: 665: 660: 656: 652: 649: 645: 630: 614: 610: 598: 597: 596: 595: 580: 569: 565: 561: 558: 554: 549: 546: 544: 542: 536: 531: 527: 523: 518: 514: 510: 507: 502: 498: 494: 489: 485: 481: 478: 475: 471: 466: 463: 461: 457: 453: 449: 448: 430: 421: 420: 419: 418: 407: 398: 393: 389: 385: 380: 376: 372: 369: 364: 360: 356: 351: 347: 343: 340: 337: 334: 331: 327: 317: 313: 309: 304: 300: 293: 289: 283: 276: 272: 266: 262: 232: 228: 202: 198: 166: 159: 155: 148: 141: 134: 123: 119: 112: 105: 98: 91: 69: 62: 55: 45: 42: 17:Pole splitting 13: 10: 9: 6: 4: 3: 2: 6084: 6073: 6070: 6068: 6065: 6064: 6062: 6053: 6049: 6046: 6044: 6040: 6037: 6036: 6032: 6024: 6020: 6014: 6011: 6007: 6001: 5998: 5993: 5991:0-7506-8072-5 5987: 5983: 5982: 5974: 5971: 5968: 5967: 5960: 5957: 5952: 5950:0-7923-7284-0 5946: 5942: 5941: 5933: 5931: 5927: 5922: 5920:0-19-514251-9 5916: 5912: 5911: 5903: 5900: 5894: 5891: 5887: 5880: 5873: 5866: 5841: 5837: 5826: 5823: 5817: 5814: 5808: 5805: 5800: 5798:0-387-25746-2 5794: 5790: 5786: 5785: 5777: 5775: 5771: 5766: 5764:0-7506-7786-4 5760: 5756: 5755: 5747: 5744: 5739: 5734:|author= 5727: 5719: 5713: 5709: 5708: 5700: 5697: 5693: 5689: 5685: 5682:That is, the 5679: 5676: 5669: 5665: 5662: 5660: 5659:Step response 5657: 5655: 5652: 5650: 5649:Common source 5647: 5645: 5644:Miller effect 5642: 5640: 5637: 5636: 5632: 5630: 5628: 5621: 5613: 5611: 5609: 5608:step response 5605: 5598: 5590: 5588: 5581: 5577: 5570: 5563: 5556: 5549: 5525: 5514: 5510: 5506: 5501: 5497: 5490: 5486: 5480: 5472: 5468: 5464: 5459: 5455: 5448: 5444: 5436: 5432: 5428: 5423: 5392: 5388: 5379: 5375: 5363: 5359: 5350: 5346: 5334: 5330: 5324: 5320: 5316: 5311: 5307: 5301: 5297: 5293: 5288: 5284: 5278: 5274: 5263: 5250: 5246: 5237: 5233: 5221: 5217: 5213: 5208: 5204: 5197: 5189: 5185: 5176: 5172: 5160: 5156: 5152: 5147: 5143: 5126: 5125: 5124: 5123: 5122: 5103: 5092: 5088: 5084: 5079: 5075: 5068: 5064: 5058: 5050: 5046: 5042: 5037: 5033: 5026: 5022: 5014: 5010: 5006: 4998: 4994: 4988: 4984: 4976: 4966: 4962: 4958: 4953: 4949: 4939: 4932: 4928: 4922: 4918: 4908: 4907: 4906: 4905: 4904: 4898: 4894: 4887: 4879: 4859: 4848: 4844: 4840: 4835: 4831: 4824: 4820: 4814: 4806: 4802: 4798: 4793: 4789: 4782: 4778: 4770: 4766: 4762: 4755: 4751: 4745: 4741: 4731: 4730: 4729: 4728: 4727: 4725: 4721: 4714: 4710: 4702: 4700: 4693: 4661: 4647: 4643: 4638: 4632: 4628: 4618: 4596: 4592: 4582: 4564: 4561: 4553: 4552: 4551: 4550: 4549: 4544: 4537: 4530: 4523: 4512: 4502: 4495: 4482: 4475: 4470: 4468: 4467:step response 4464: 4460: 4459:dominant-pole 4456: 4445: 4438: 4431: 4426: 4416: 4414: 4412: 4408: 4400: 4398: 4391: 4384: 4377: 4356: 4352: 4343: 4315: 4304: 4300: 4291: 4287: 4276: 4272: 4265: 4261: 4255: 4251: 4247: 4242: 4238: 4232: 4228: 4224: 4219: 4215: 4209: 4205: 4198: 4196: 4180: 4176: 4167: 4163: 4151: 4147: 4143: 4138: 4134: 4127: 4119: 4115: 4106: 4102: 4090: 4086: 4082: 4077: 4073: 4059: 4055: 4046: 4042: 4030: 4026: 4017: 4013: 4001: 3997: 3991: 3987: 3983: 3978: 3974: 3968: 3964: 3960: 3955: 3951: 3945: 3941: 3931: 3929: 3922: 3918: 3906: 3905: 3904: 3903: 3902: 3886: 3882: 3859: 3855: 3849: 3845: 3819: 3808: 3804: 3800: 3795: 3791: 3783: 3779: 3773: 3769: 3762: 3755: 3751: 3744: 3740: 3734: 3730: 3723: 3718: 3714: 3706: 3705: 3704: 3703: 3702: 3700: 3679: 3675: 3665: 3663: 3652: 3631: 3626: 3616: 3595: 3591: 3568: 3564: 3541: 3537: 3511: 3504: 3495: 3491: 3487: 3482: 3478: 3471: 3467: 3459: 3455: 3451: 3448: 3444: 3438: 3434: 3430: 3425: 3421: 3413: 3412: 3411: 3410: 3409: 3407: 3403: 3372: 3364: 3360: 3356: 3353: 3350: 3347: 3344: 3336: 3332: 3328: 3323: 3319: 3312: 3309: 3306: 3303: 3300: 3298: 3282: 3278: 3269: 3265: 3253: 3249: 3245: 3240: 3236: 3229: 3221: 3217: 3208: 3204: 3192: 3188: 3184: 3179: 3175: 3165: 3162: 3159: 3156: 3153: 3151: 3144: 3140: 3125: 3124: 3123: 3122: 3121: 3119: 3111: 3109: 3088: 3084: 3061: 3057: 3034: 3030: 3007: 3003: 2980: 2976: 2967: 2946: 2942: 2919: 2915: 2884: 2876: 2872: 2866: 2862: 2856: 2848: 2845: 2839: 2828: 2823: 2818: 2813: 2808: 2800: 2797: 2794: 2791: 2788: 2781: 2780: 2779: 2778: 2777: 2776: 2754: 2749: 2744: 2741: 2738: 2735: 2724: 2719: 2714: 2711: 2708: 2705: 2699: 2694: 2690: 2679: 2678: 2677: 2676: 2675: 2656: 2645: 2641: 2632: 2628: 2616: 2612: 2603: 2599: 2590: 2586: 2580: 2576: 2570: 2562: 2559: 2553: 2528: 2519: 2515: 2511: 2506: 2502: 2495: 2491: 2483: 2479: 2475: 2472: 2468: 2464: 2438: 2434: 2425: 2421: 2412: 2408: 2404: 2401: 2398: 2366: 2362: 2353: 2349: 2340: 2336: 2332: 2329: 2326: 2323: 2314: 2285: 2281: 2272: 2268: 2256: 2252: 2248: 2243: 2239: 2232: 2229: 2226: 2223: 2217: 2194: 2190: 2182: 2181: 2180: 2179: 2178: 2176: 2152: 2142: 2138: 2131: 2127: 2122: 2116: 2112: 2106: 2102: 2098: 2095: 2092: 2089: 2078: 2074: 2070: 2065: 2061: 2054: 2050: 2039: 2035: 2031: 2026: 2022: 2015: 2011: 2003: 1999: 1995: 1988: 1984: 1978: 1974: 1964: 1963: 1962: 1961: 1960: 1958: 1930: 1923: 1911: 1907: 1898: 1894: 1882: 1878: 1874: 1869: 1865: 1858: 1855: 1852: 1849: 1842: 1838: 1833: 1827: 1823: 1817: 1813: 1809: 1806: 1803: 1800: 1789: 1785: 1781: 1776: 1772: 1765: 1761: 1753: 1749: 1745: 1742: 1738: 1732: 1728: 1724: 1722: 1713: 1705: 1701: 1695: 1691: 1685: 1682: 1678: 1672: 1668: 1664: 1662: 1655: 1651: 1639: 1638: 1637: 1636: 1635: 1633: 1632:Miller effect 1629: 1625: 1614: 1607: 1602: 1576: 1562: 1558: 1549: 1545: 1533: 1529: 1525: 1520: 1516: 1509: 1506: 1503: 1500: 1493: 1489: 1484: 1478: 1474: 1468: 1464: 1460: 1457: 1454: 1451: 1445: 1416: 1412: 1403: 1399: 1387: 1383: 1379: 1374: 1370: 1363: 1360: 1357: 1354: 1350: 1345: 1319: 1315: 1311: 1306: 1302: 1295: 1291: 1285: 1277: 1273: 1269: 1264: 1260: 1253: 1249: 1241: 1237: 1233: 1226: 1225: 1224: 1223: 1222: 1221: 1200: 1196: 1190: 1186: 1176: 1172: 1166: 1162: 1156: 1149: 1145: 1139: 1135: 1125: 1124: 1123: 1122: 1121: 1102: 1088: 1084: 1075: 1071: 1059: 1055: 1051: 1046: 1042: 1035: 1032: 1029: 1026: 1019: 1015: 1010: 1004: 1000: 994: 990: 986: 983: 980: 977: 971: 945: 941: 937: 932: 928: 921: 917: 909: 905: 901: 894: 890: 884: 880: 870: 869: 868: 867: 866: 850: 846: 820: 816: 790: 782: 778: 772: 768: 764: 759: 755: 744: 743: 742: 741: 740: 724: 720: 706: 684: 680: 671: 667: 658: 654: 650: 647: 643: 633: 612: 608: 578: 567: 563: 559: 556: 552: 547: 545: 529: 525: 516: 512: 500: 496: 492: 487: 483: 476: 473: 469: 464: 462: 455: 451: 439: 438: 437: 436: 435: 433: 426: 405: 391: 387: 378: 374: 362: 358: 354: 349: 345: 338: 335: 332: 329: 325: 315: 311: 307: 302: 298: 291: 287: 281: 274: 270: 264: 260: 250: 249: 248: 247: 246: 230: 226: 200: 196: 184: 180: 176: 171: 169: 162: 151: 144: 137: 130: 129:Miller effect 126: 115: 108: 101: 84: 79: 72: 65: 58: 50: 43: 41: 39: 38:step response 34: 30: 26: 22: 18: 6018: 6013: 6005: 6000: 5980: 5973: 5965: 5959: 5939: 5909: 5902: 5893: 5882: 5875: 5868: 5857: 5825: 5816: 5807: 5788: 5783: 5753: 5746: 5706: 5699: 5678: 5623: 5617: 5600: 5593: 5591: 5583: 5572: 5565: 5558: 5551: 5544: 5542: 5120: 4902: 4889: 4882: 4723: 4716: 4705: 4703: 4695: 4680: 4678: 4542: 4535: 4528: 4521: 4510: 4500: 4490: 4480: 4473: 4471: 4462: 4458: 4451: 4449: 4440: 4433: 4410: 4403: 4401: 4393: 4386: 4379: 4372: 4338: 4337:and because 4336: 3836: 3695: 3666: 3654: 3647: 3611: 3528: 3398: 3396: 3114: 3112: 2962: 2906: 2673: 2171: 2169: 1953: 1951: 1616: 1609: 1605: 1597: 1595: 1119: 807: 707: 628: 599: 428: 422: 172: 164: 153: 146: 139: 132: 117: 110: 103: 96: 89: 67: 60: 53: 16: 15: 6023:Butterworth 23:used in an 6061:Categories 6048:Bode Plots 6039:Bode Plots 3610:. Because 3397:where now 1608:product, 634:= 0 F is 245:, namely, 86:feedback.) 5838:τ 5726:cite book 5688:overshoot 5684:rise time 5654:Bode plot 5620:slew rate 5614:Slew rate 5481:⋅ 5424:⋅ 5385:‖ 5356:‖ 5243:‖ 5182:‖ 5059:⋅ 5007:≈ 4995:τ 4985:τ 4963:τ 4950:τ 4940:≈ 4929:τ 4919:τ 4815:⋅ 4763:≈ 4752:τ 4742:τ 4430:Bode plot 4353:τ 4297:‖ 4199:≈ 4173:‖ 4112:‖ 4052:‖ 4023:‖ 3919:τ 3883:τ 3856:τ 3846:τ 3805:τ 3792:τ 3780:τ 3770:τ 3763:≈ 3752:τ 3741:τ 3731:τ 3715:τ 3676:τ 3627:τ 3592:τ 3583:>> 3565:τ 3538:τ 3452:− 3361:τ 3357:ω 3345:≈ 3333:τ 3320:τ 3313:ω 3275:‖ 3214:‖ 3166:ω 3145:ω 3085:τ 3076:>> 3058:τ 3031:τ 3022:>> 3004:τ 2977:τ 2943:τ 2916:τ 2873:τ 2863:τ 2849:ω 2824:τ 2809:τ 2801:ω 2750:τ 2745:ω 2720:τ 2715:ω 2695:ω 2638:‖ 2609:‖ 2563:ω 2476:− 2465:⋅ 2431:‖ 2405:ω 2359:‖ 2333:ω 2315:⋅ 2278:‖ 2233:ω 2195:ω 2143:ω 2099:ω 1979:ℓ 1904:‖ 1859:ω 1810:ω 1746:− 1696:ℓ 1686:− 1555:‖ 1510:ω 1461:ω 1446:⋅ 1409:‖ 1364:ω 1346:⋅ 1286:⋅ 1167:ℓ 1140:ℓ 1081:‖ 1036:ω 987:ω 972:⋅ 885:ℓ 821:ℓ 677:‖ 651:π 609:τ 564:τ 560:π 522:‖ 477:π 384:‖ 339:ω 29:capacitor 27:. When a 6052:Wikibook 6043:Wikibook 5633:See also 3110:below.) 425:roll-off 5692:ringing 4516:) = log 5988:  5947:  5917:  5795:  5789:et seq 5761:  5714:  5523:  5101:  4857:  4659:  4313:  3817:  3509:  3376:  3370:  3137:  3103:. See 2907:where 2888:  2882:  2687:  2654:  2551:  2396:  2318:  2150:  1928:  1574:  1100:  843:  788:  752:  717:  576:  434:where 403:  223:  193:  4897:Excel 4694:. If 2170:with 5986:ISBN 5945:ISBN 5915:ISBN 5867:) ( 5793:ISBN 5759:ISBN 5738:help 5712:ISBN 5690:and 4548:is: 4541:and 3659:|| R 3120:is: 2934:and 1621:|| R 158:|| R 122:|| R 33:pole 6021:or 6006:etc 5874:|| 5121:or 4685:= A 4461:or 4385:|| 3701:as 3664:). 3408:as 1606:R-C 6063:: 5929:^ 5862:+C 5791:. 5773:^ 5730:: 5728:}} 5724:{{ 5629:. 5610:. 5589:. 4619:10 4583:10 4565:20 4527:/ 4520:( 4518:10 4508:10 4498:10 4488:10 4399:. 4378:( 3653:( 1615:( 705:. 116:( 6008:. 5994:. 5953:. 5923:. 5885:1 5883:f 5878:i 5876:R 5871:A 5869:R 5864:i 5860:M 5858:C 5842:1 5801:. 5767:. 5740:) 5720:. 5694:. 5626:C 5624:C 5603:v 5601:A 5596:v 5594:A 5586:C 5584:C 5575:C 5573:C 5568:C 5566:C 5561:C 5559:C 5554:C 5552:C 5547:C 5545:C 5526:, 5515:o 5511:R 5507:+ 5502:L 5498:R 5491:L 5487:R 5473:A 5469:R 5465:+ 5460:i 5456:R 5449:i 5445:R 5437:v 5433:A 5429:= 5398:) 5393:L 5389:R 5380:O 5376:R 5372:( 5369:) 5364:i 5360:R 5351:A 5347:R 5343:( 5340:) 5335:C 5331:C 5325:i 5321:C 5317:+ 5312:i 5308:C 5302:L 5298:C 5294:+ 5289:L 5285:C 5279:C 5275:C 5271:( 5264:2 5260:] 5256:) 5251:L 5247:R 5238:o 5234:R 5230:( 5227:) 5222:C 5218:C 5214:+ 5209:L 5205:C 5201:( 5198:+ 5195:) 5190:i 5186:R 5177:A 5173:R 5169:( 5166:) 5161:i 5157:C 5153:+ 5148:M 5144:C 5140:( 5137:[ 5104:, 5093:o 5089:R 5085:+ 5080:L 5076:R 5069:L 5065:R 5051:A 5047:R 5043:+ 5038:i 5034:R 5027:i 5023:R 5015:v 5011:A 4999:2 4989:1 4977:2 4973:) 4967:2 4959:+ 4954:1 4946:( 4933:2 4923:1 4892:C 4890:C 4885:M 4883:C 4860:, 4849:o 4845:R 4841:+ 4836:L 4832:R 4825:L 4821:R 4807:A 4803:R 4799:+ 4794:i 4790:R 4783:i 4779:R 4771:v 4767:A 4756:2 4746:1 4719:v 4717:A 4708:v 4706:A 4698:2 4696:f 4691:1 4689:f 4687:v 4683:2 4681:f 4662:, 4653:) 4648:1 4644:f 4639:/ 4633:2 4629:f 4625:( 4615:g 4611:o 4608:l 4602:) 4597:v 4593:A 4589:( 4579:g 4575:o 4572:l 4562:= 4546:2 4543:f 4539:1 4536:f 4532:1 4529:f 4525:2 4522:f 4514:1 4511:f 4504:2 4501:f 4493:v 4491:A 4484:1 4481:f 4477:2 4474:f 4454:C 4452:C 4443:2 4441:f 4436:1 4434:f 4419:C 4406:C 4404:C 4396:C 4394:C 4389:L 4387:R 4382:o 4380:R 4375:L 4373:C 4357:2 4341:M 4339:C 4316:, 4310:) 4305:L 4301:R 4292:O 4288:R 4284:( 4277:M 4273:C 4266:C 4262:C 4256:i 4252:C 4248:+ 4243:i 4239:C 4233:L 4229:C 4225:+ 4220:L 4216:C 4210:C 4206:C 4186:) 4181:L 4177:R 4168:o 4164:R 4160:( 4157:) 4152:C 4148:C 4144:+ 4139:L 4135:C 4131:( 4128:+ 4125:) 4120:i 4116:R 4107:A 4103:R 4099:( 4096:) 4091:i 4087:C 4083:+ 4078:M 4074:C 4070:( 4065:) 4060:L 4056:R 4047:O 4043:R 4039:( 4036:) 4031:i 4027:R 4018:A 4014:R 4010:( 4007:) 4002:C 3998:C 3992:i 3988:C 3984:+ 3979:i 3975:C 3969:L 3965:C 3961:+ 3956:L 3952:C 3946:C 3942:C 3938:( 3932:= 3923:2 3887:1 3860:2 3850:1 3820:. 3809:2 3801:+ 3796:1 3784:2 3774:1 3756:1 3745:2 3735:1 3724:= 3719:2 3698:ω 3696:D 3680:1 3661:i 3657:A 3655:R 3650:i 3648:C 3632:1 3614:M 3612:C 3596:2 3569:1 3542:1 3512:, 3505:) 3496:o 3492:R 3488:+ 3483:L 3479:R 3472:L 3468:R 3460:v 3456:A 3449:1 3445:( 3439:C 3435:C 3431:= 3426:M 3422:C 3401:M 3399:C 3373:, 3365:1 3354:j 3351:+ 3348:1 3342:) 3337:2 3329:+ 3324:1 3316:( 3310:j 3307:+ 3304:1 3301:= 3291:] 3288:) 3283:L 3279:R 3270:o 3266:R 3262:( 3259:) 3254:C 3250:C 3246:+ 3241:L 3237:C 3233:( 3230:+ 3227:) 3222:i 3218:R 3209:A 3205:R 3201:( 3198:) 3193:i 3189:C 3185:+ 3180:M 3176:C 3172:( 3169:[ 3163:j 3160:+ 3157:1 3154:= 3141:D 3117:ω 3115:D 3107:C 3089:2 3062:1 3035:2 3008:1 2981:1 2965:ω 2963:D 2947:2 2920:1 2885:, 2877:2 2867:1 2857:2 2853:) 2846:j 2843:( 2840:+ 2837:) 2834:) 2829:2 2819:+ 2814:1 2804:( 2798:j 2795:+ 2792:1 2789:= 2760:) 2755:2 2742:j 2739:+ 2736:1 2733:( 2730:) 2725:1 2712:j 2709:+ 2706:1 2703:( 2700:= 2691:D 2657:. 2651:) 2646:L 2642:R 2633:O 2629:R 2625:( 2622:) 2617:i 2613:R 2604:A 2600:R 2596:( 2591:L 2587:C 2581:C 2577:C 2571:2 2567:) 2560:j 2557:( 2554:+ 2529:) 2520:O 2516:R 2512:+ 2507:L 2503:R 2496:L 2492:R 2484:v 2480:A 2473:1 2469:( 2444:) 2439:i 2435:R 2426:A 2422:R 2418:( 2413:C 2409:C 2402:j 2399:+ 2375:] 2372:) 2367:i 2363:R 2354:A 2350:R 2346:( 2341:i 2337:C 2330:j 2327:+ 2324:1 2321:[ 2294:] 2291:) 2286:L 2282:R 2273:o 2269:R 2265:( 2262:) 2257:C 2253:C 2249:+ 2244:L 2240:C 2236:( 2230:j 2227:+ 2224:1 2221:[ 2218:= 2191:D 2174:ω 2172:D 2153:, 2139:D 2132:v 2128:A 2123:/ 2117:o 2113:R 2107:C 2103:C 2096:j 2093:+ 2090:1 2079:o 2075:R 2071:+ 2066:L 2062:R 2055:L 2051:R 2040:A 2036:R 2032:+ 2027:i 2023:R 2016:i 2012:R 2004:v 2000:A 1996:= 1989:a 1985:v 1975:v 1956:v 1954:A 1931:. 1924:) 1917:) 1912:L 1908:R 1899:o 1895:R 1891:( 1888:) 1883:C 1879:C 1875:+ 1870:L 1866:C 1862:( 1856:j 1853:+ 1850:1 1843:v 1839:A 1834:/ 1828:o 1824:R 1818:C 1814:C 1807:j 1804:+ 1801:1 1790:o 1786:R 1782:+ 1777:L 1773:R 1766:L 1762:R 1754:v 1750:A 1743:1 1739:( 1733:C 1729:C 1725:= 1714:) 1706:i 1702:v 1692:v 1683:1 1679:( 1673:C 1669:C 1665:= 1656:M 1652:C 1623:L 1619:o 1617:R 1612:L 1610:C 1600:v 1598:A 1577:. 1568:) 1563:L 1559:R 1550:o 1546:R 1542:( 1539:) 1534:C 1530:C 1526:+ 1521:L 1517:C 1513:( 1507:j 1504:+ 1501:1 1494:v 1490:A 1485:/ 1479:o 1475:R 1469:C 1465:C 1458:j 1455:+ 1452:1 1422:) 1417:i 1413:R 1404:A 1400:R 1396:( 1393:) 1388:i 1384:C 1380:+ 1375:M 1371:C 1367:( 1361:j 1358:+ 1355:1 1351:1 1320:o 1316:R 1312:+ 1307:L 1303:R 1296:L 1292:R 1278:A 1274:R 1270:+ 1265:i 1261:R 1254:i 1250:R 1242:v 1238:A 1234:= 1201:a 1197:v 1191:i 1187:v 1177:i 1173:v 1163:v 1157:= 1150:a 1146:v 1136:v 1103:. 1094:) 1089:L 1085:R 1076:o 1072:R 1068:( 1065:) 1060:C 1056:C 1052:+ 1047:L 1043:C 1039:( 1033:j 1030:+ 1027:1 1020:v 1016:A 1011:/ 1005:o 1001:R 995:C 991:C 984:j 981:+ 978:1 946:o 942:R 938:+ 933:L 929:R 922:L 918:R 910:v 906:A 902:= 895:i 891:v 881:v 851:i 847:v 817:v 791:. 783:i 779:v 773:v 769:A 765:= 760:o 756:v 725:o 721:v 690:) 685:i 681:R 672:A 668:R 664:( 659:i 655:C 648:2 644:1 631:C 629:C 613:1 579:, 568:1 557:2 553:1 548:= 535:) 530:i 526:R 517:A 513:R 509:( 506:) 501:i 497:C 493:+ 488:M 484:C 480:( 474:2 470:1 465:= 456:1 452:f 431:1 429:f 406:, 397:) 392:i 388:R 379:A 375:R 371:( 368:) 363:i 359:C 355:+ 350:M 346:C 342:( 336:j 333:+ 330:1 326:1 316:A 312:R 308:+ 303:i 299:R 292:i 288:R 282:= 275:a 271:v 265:i 261:v 231:a 227:v 201:i 197:v 167:C 165:C 160:L 156:o 154:R 152:( 149:L 147:C 142:L 140:C 135:L 133:R 124:i 120:A 118:R 113:i 111:C 106:i 104:C 99:i 97:R 92:C 70:o 68:R 63:i 61:R 56:C 54:C

Index

frequency compensation
electronic amplifier
capacitor
pole
step response


Miller's theorem
Miller effect
Miller's theorem
Miller's theorem
Kirchhoff's current law
roll-off
Miller approximation
Miller effect
Selection of CC
Miller approximation

Bode plot
step response
voltage dividers

Excel
Miller equation
step response
slew rate
Frequency compensation
Miller effect
Common source
Bode plot

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