Unbalanced transmitter and receiver

Details Unbalanced transmitter and receiver Unbalanced transmitter and receiver

1990-03-21

1992-04-28

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 36, 307270, H04L 2534

Patent

active

051093910

ABSTRACT:
A transmitter and a receiver for an unbalanced transmission line are constituted by omitting pulse transformers, but in the transmitter by installing switching circuits (S.sub.1, S.sub.4) directly coupled to the unbalanced transmission line (306 or 306') through respective switching devices (305, 310), and in the receiver by installing a pair of input circuits comprising D.C. isolating capacitors (503, 505) and bias circuits (502, 504) for uninverted and inverted input terminals (+,-), in receiver parts (525, 526) for positive polarity pulses and negative polarity pulses, respctively.

REFERENCES:
patent: 3476879 (1968-11-01), Zenner
patent: 3818360 (1974-06-01), Bountmy et al.
patent: 4007382 (1977-02-01), Warberg
patent: 4063235 (1977-12-01), Ludwig
patent: 4236256 (1980-11-01), Brackett et al.
patent: 4337457 (1982-06-01), Tache
patent: 4412141 (1983-10-01), Jacobsen
patent: 4620310 (1986-10-01), Lvovsky et al.
patent: 4679209 (1987-07-01), Hogeboom et al.
patent: 4922249 (1990-05-01), Cointot et al.

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