Complimentary switched amplifier transceiver system

Details Complimentary switched amplifier transceiver system Complimentary switched amplifier transceiver system

1995-07-03

1997-09-16

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

455 82, 455129, H04B 144

Patent

active

056690681

ABSTRACT:
A complimentary switched amplifier transceiver (10) is provided which offers performance advantages and reduces system complexity over conventional half-duplex transceivers by using complimentary switched amplifiers for eliminating switches. Power output to a channel transition (31) from a transmit amplifier (26) is not degraded by a switch insertion loss in a transmit mode. Receiver noise figure is not degraded due to the switch insertion loss from the channel transition (31) to a receive amplifier (27). Switch devices and their associated control lines are eliminated, reducing circuit complexity for complimentary switched amplifier circuits such as a combined amplifier switch (12) and a first bi-directional amplifier (22).

REFERENCES:
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patent: 5274844 (1993-12-01), Harrison et al.
patent: 5296762 (1994-03-01), Hanson et al.
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patent: 5355524 (1994-10-01), Higgins, Jr.
patent: 5375257 (1994-12-01), Lampen
patent: 5548246 (1996-08-01), Yamamoto et al.

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