17:
20:
Schematic of an artificial telephone line section for 6000 feet of 24 gauge twisted pair. L1 and L2 are effectively in series giving 1.12 mH of series inductance.
138:
16:
102:
44:
37:
63:
115:
86:
25:
52:
41:
33:
62:
Early artificial lines were used in telephony research and took the form of a cascade of
132:
48:
67:
66:
to provide the necessary delay. The lattice phase circuit was invented by
56:
116:"Theory and design of uniform and composite electric wave filters"
15:
59:
a real transmission line in one or more of these respects.
8:
105:, filed 12 March 1927, issued 17 Feb 1931.
79:
7:
51:, or other parameter(s) of a real
14:
122:, vol. 2 (1923), pp. 1–46.
1:
120:Bell System Technical Journal
139:Telecommunications equipment
30:artificial transmission line
34:two-port electrical network
155:
64:lattice phase equalisers
38:characteristic impedance
99:Phase-shifting network
87:Federal Standard 1037C
21:
19:
55:. It can be used to
103:US patent 1 792 523
26:telecommunications
22:
53:transmission line
42:transmission time
146:
123:
112:
106:
95:
89:
84:
154:
153:
149:
148:
147:
145:
144:
143:
129:
128:
127:
126:
113:
109:
96:
92:
85:
81:
76:
12:
11:
5:
152:
150:
142:
141:
131:
130:
125:
124:
107:
90:
78:
77:
75:
72:
70:in the 1920s.
13:
10:
9:
6:
4:
3:
2:
151:
140:
137:
136:
134:
121:
117:
111:
108:
104:
100:
94:
91:
88:
83:
80:
73:
71:
69:
65:
60:
58:
54:
50:
46:
43:
39:
36:that has the
35:
31:
27:
18:
119:
114:Zobel, O J,
110:
98:
97:Zobel, O J,
93:
82:
61:
29:
23:
49:phase shift
74:References
68:Otto Zobel
133:Category
57:simulate
45:delay
32:is a
28:, an
24:In
135::
118:,
101:,
47:,
40:,
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
