Commonly coupled high frequency transmitting/receiving switching

Details Commonly coupled high frequency transmitting/receiving switching Commonly coupled high frequency transmitting/receiving switching

1995-08-04

1996-12-10

Faile, Andrew

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

455 83, 333104, H04B 144

Patent

active

055840531

ABSTRACT:
What is described is a commonly coupled high frequency transmitting/receiving switching module (100). The switching module (100), has a transmitting circuit (102), a receiving circuit (104), an antenna circuit (106), an external circuit (108), a coupling circuit (110) and control circuits (124, 126). The switching module may be switched between one of four circuit paths (202, 204, 206, 208) each path incorporating an integral harmonic filter (210, 212). This structure is adapted for use in a multi-layer ceramic integrated circuit, and provides the advantage of minimizing current consumption with a minimal number of components.

REFERENCES:
patent: 4803447 (1989-02-01), Schultz et al.
patent: 4914714 (1990-04-01), Tamura

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