Method and apparatus for improving transmission line characteris

Details Method and apparatus for improving transmission line characteris Method and apparatus for improving transmission line characteris

1972-04-10

1977-08-16

Smith, Alfred E.

Wave transmission lines and networks

Coupling networks

Equalizers

179 15AN, 333 12, 333 70CR, H03H 714, H04B 314, H04B 310

Patent

active

040428931

ABSTRACT:
A technique of reducing "crosstalk" in transmission lines for time multiplex pulse communication, by insertion of artificial compensating networks having an impedance varying with frequency in opposite sense as compared with the natural impedance of the line. The values of the elements of the network are determined by transmitting a pulse over the line and determining the distortion to that pulse.

REFERENCES:
henney - "Radio Engineering Handbook," McGraw Hill, New York, 1941, pp. 51-53.
Moskowitz, "Cross-Talk Considerations in Time-Division Multiplex Systems Proceedings of the IRE," Nov. 1950, pp. 1330-1336.
Rounds et al.,--Equalization of Cables for Local Television Transmission, B.S.T.J. vol. 34, No. 4, July 1955, pp. 713-733.

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