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Batwing antenna

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17: 779: 836: 29: 104:. Two pairs of identical vertical batwing-shaped elements are mounted at right angles around a common mast. Element “wings” on opposite sides are fed as a dipole. To generate an omnidirectional pattern, the two dipoles are fed 90° 150:
of 1.1:1. This makes the antenna design suitable for broadcasters who wish to use a single antenna to transmit multiple television signals and thus made the batwing the preferred antenna for lowband TV stations
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To reduce power radiated in the unwanted axial directions, in broadcast applications multiple bays fed in phase are stacked vertically with a spacing of approximately one
210: 820: 191: 873: 324: 902: 274: 131:(more of the energy radiated in horizontal directions and less into the sky or down at the earth), suitable for terrestrial broadcasting. 912: 813: 250: 753: 571: 293: 907: 521: 806: 239: 866: 143: 85: 393: 317: 897: 892: 656: 859: 651: 561: 127:, to create a collinear array. This generates an omnidirectional radiation pattern with increased horizontal 786: 551: 413: 360: 109: 77: 73: 69: 733: 671: 408: 310: 388: 696: 135: 120:
is close to omnidirectional but has four small lobes (maxima) in the directions of the four elements.
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radiation in the horizontal plane. Each group of four elements at a single level is referred to as a
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signal. The advantage of the "batwing" design for television broadcasting is that it has a wide
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National Association of Broadcasters Engineering Manual, 6th Ed
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characteristics. Batwing antennas generate a horizontally
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Four-bay super turnstile television broadcasting antenna at
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frequencies, named for its distinctive shape resembling a
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Markley, Don (1 Apr 2004). "Television antenna systems".
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The "batwing" shape of the elements is adapted from the
847: 794: 705: 507: 359: 341: 96:Batwing antennas are a specialized type of crossed 842:This article related to radio communications is a 234:. Vol. III: Antenna Applications. Springer. 146:of approximately 20% of operating frequency at a 867: 814: 318: 185: 183: 181: 179: 8: 209:: CS1 maint: multiple names: authors list ( 142:), used because it gives the antenna a wide 874: 860: 821: 807: 325: 311: 303: 175: 202: 7: 832: 830: 775: 773: 846:. You can help Knowledge (XXG) by 793:. You can help Knowledge (XXG) by 14: 754:Circularly disposed antenna array 572:Folded inverted conformal antenna 190:Bartlett, George W., Ed. (1975). 834: 777: 72:of batwing antennas are used as 286:Electronics Technology Handbook 230:; Lee, S.W. (31 October 1993). 24:television transmitter, Germany 1: 903:Radio frequency antenna types 394:Dielectric resonator antenna 288:. McGraw-Hill Professional. 265:Milligan, Thomas A. (2005). 929: 913:Radio communications stubs 829: 772: 92:Design and characteristics 657:Regenerative loop antenna 652:Reflective array antenna 562:Corner reflector antenna 108:. The antenna radiates 36:of a single batwing bay 908:Foreign relations stubs 552:Collinear antenna array 74:television broadcasting 46:super turnstile antenna 734:Reconfigurable antenna 697:Yagi–Uda antenna 672:Short backfire antenna 409:Folded unipole antenna 284:Sclater, Neil (1999). 110:horizontally polarized 76:antennas due to their 37: 25: 389:Crossed field antenna 267:Modern Antenna Design 258:Broadcast Engineering 31: 19: 706:Application-specific 597:Log-periodic antenna 469:Rubber ducky antenna 444:Inverted vee antenna 419:Ground-plane antenna 269:. Wiley-IEEE Press. 785:This article about 617:Offset dish antenna 464:Random wire antenna 100:, a variant of the 759:Television antenna 607:Microstrip antenna 547:Choke ring antenna 542:Cassegrain antenna 439:Inverted-F antenna 351:Isotropic radiator 48:is a broadcasting 38: 26: 898:Radio electronics 855: 854: 802: 801: 787:foreign relations 767: 766: 744:Reference antenna 637:Parabolic antenna 557:Conformal antenna 479:Turnstile antenna 374:Biconical antenna 276:978-0-471-45776-3 165:Turnstile antenna 140:biconical antenna 136:butterfly antenna 118:radiation pattern 102:turnstile antenna 34:radiation pattern 920: 893:Antennas (radio) 876: 869: 862: 838: 831: 823: 816: 809: 781: 774: 718:Corner reflector 532:Beverage antenna 494:Umbrella antenna 459:Monopole antenna 414:Franklin antenna 327: 320: 313: 304: 299: 280: 261: 245: 232:Antenna Handbook 215: 214: 208: 200: 198: 187: 928: 927: 923: 922: 921: 919: 918: 917: 883: 882: 881: 880: 828: 827: 770: 768: 763: 724:Evolved antenna 701: 687:Vivaldi antenna 662:Rhombic antenna 587:Helical antenna 577:Fractal antenna 522:AS-2259 Antenna 503: 434:Helical antenna 404:Discone antenna 384:Coaxial antenna 369:Batwing antenna 361:Omnidirectional 355: 337: 331: 296: 283: 277: 264: 255: 242: 226: 223: 218: 201: 196: 189: 188: 177: 173: 161: 94: 78:omnidirectional 12: 11: 5: 926: 924: 916: 915: 910: 905: 900: 895: 885: 884: 879: 878: 871: 864: 856: 853: 852: 839: 826: 825: 818: 811: 803: 800: 799: 782: 765: 764: 762: 761: 756: 751: 749:Spiral antenna 746: 741: 736: 731: 726: 721: 715: 709: 707: 703: 702: 700: 699: 694: 689: 684: 682:Sterba antenna 679: 674: 669: 667:Sector antenna 664: 659: 654: 649: 644: 642:Plasma antenna 639: 634: 629: 624: 619: 614: 609: 604: 599: 594: 589: 584: 579: 574: 569: 564: 559: 554: 549: 544: 539: 534: 529: 524: 519: 517:Adcock antenna 513: 511: 505: 504: 502: 501: 496: 491: 486: 481: 476: 474:Sloper antenna 471: 466: 461: 456: 451: 449:J-pole antenna 446: 441: 436: 431: 426: 421: 416: 411: 406: 401: 399:Dipole antenna 396: 391: 386: 381: 376: 371: 365: 363: 357: 356: 354: 353: 347: 345: 339: 338: 332: 330: 329: 322: 315: 307: 301: 300: 294: 281: 275: 262: 253: 251:978-0442015947 240: 222: 219: 217: 216: 174: 172: 169: 168: 167: 160: 157: 98:dipole antenna 93: 90: 70:Stacked arrays 13: 10: 9: 6: 4: 3: 2: 925: 914: 911: 909: 906: 904: 901: 899: 896: 894: 891: 890: 888: 877: 872: 870: 865: 863: 858: 857: 851: 849: 845: 840: 837: 833: 824: 819: 817: 812: 810: 805: 804: 798: 796: 792: 788: 783: 780: 776: 771: 760: 757: 755: 752: 750: 747: 745: 742: 740: 737: 735: 732: 730: 729:Ground dipole 727: 725: 722: 719: 716: 714: 711: 710: 708: 704: 698: 695: 693: 690: 688: 685: 683: 680: 678: 675: 673: 670: 668: 665: 663: 660: 658: 655: 653: 650: 648: 645: 643: 640: 638: 635: 633: 630: 628: 625: 623: 622:Patch antenna 620: 618: 615: 613: 612:Moxon antenna 610: 608: 605: 603: 600: 598: 595: 593: 590: 588: 585: 583: 580: 578: 575: 573: 570: 568: 567:Curtain array 565: 563: 560: 558: 555: 553: 550: 548: 545: 543: 540: 538: 535: 533: 530: 528: 525: 523: 520: 518: 515: 514: 512: 510: 506: 500: 497: 495: 492: 490: 487: 485: 482: 480: 477: 475: 472: 470: 467: 465: 462: 460: 457: 455: 454:Mast radiator 452: 450: 447: 445: 442: 440: 437: 435: 432: 430: 427: 425: 422: 420: 417: 415: 412: 410: 407: 405: 402: 400: 397: 395: 392: 390: 387: 385: 382: 380: 377: 375: 372: 370: 367: 366: 364: 362: 358: 352: 349: 348: 346: 344: 340: 335: 328: 323: 321: 316: 314: 309: 308: 305: 297: 295:0-07-058048-0 291: 287: 282: 278: 272: 268: 263: 259: 254: 252: 248: 243: 237: 233: 229: 225: 224: 220: 212: 206: 195: 194: 186: 184: 182: 180: 176: 170: 166: 163: 162: 158: 156: 154: 149: 145: 141: 138:(a flattened 137: 132: 130: 126: 121: 119: 115: 111: 107: 103: 99: 91: 89: 87: 83: 79: 75: 71: 67: 63: 59: 55: 51: 47: 43: 35: 30: 23: 18: 848:expanding it 841: 795:expanding it 784: 769: 677:Slot antenna 647:Quad antenna 632:Planar array 627:Phased array 602:Loop antenna 592:Horn antenna 499:Whip antenna 484:T2FD antenna 429:Halo antenna 424:G5RV antenna 368: 285: 266: 257: 231: 192: 133: 122: 113: 106:out of phase 95: 45: 41: 39: 527:AWX antenna 509:Directional 379:Cage aerial 32:Calculated 887:Categories 241:0442015941 171:References 125:wavelength 720:(passive) 582:Gizmotchy 489:T-antenna 343:Isotropic 205:cite book 144:bandwidth 86:bandwidth 82:polarized 22:MĂĽhlacker 739:Rectenna 537:Cantenna 228:Lo, Y.T. 159:See also 62:bat wing 52:used at 334:Antenna 221:Sources 116:. The 66:bow tie 50:antenna 42:batwing 713:ALLISS 292:  273:  249:  238:  153:Band I 789:is a 692:WokFi 336:types 197:(PDF) 844:stub 791:stub 290:ISBN 271:ISBN 247:ISBN 236:ISBN 211:link 148:VSWR 129:gain 56:and 114:bay 64:or 58:UHF 54:VHF 44:or 889:: 207:}} 203:{{ 178:^ 68:. 40:A 875:e 868:t 861:v 850:. 822:e 815:t 808:v 797:. 326:e 319:t 312:v 298:. 279:. 260:. 244:. 213:) 151:(

Index


MĂĽhlacker

radiation pattern
antenna
VHF
UHF
bat wing
bow tie
Stacked arrays
television broadcasting
omnidirectional
polarized
bandwidth
dipole antenna
turnstile antenna
out of phase
horizontally polarized
radiation pattern
wavelength
gain
butterfly antenna
biconical antenna
bandwidth
VSWR
Band I
Turnstile antenna


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