Transmitter-receiver module

Details Transmitter-receiver module Transmitter-receiver module

1983-08-16

1985-09-10

Ng, Jin F.

Telecommunications

Transmitter and receiver at same station

With a common signal processing stage

455 81, 455327, 455328, 331107SL, 333116, H04B 140

Patent

active

045411204

ABSTRACT:
The transmitter-receiver module includes a four-terminal coupler (2). An oscillator (1) and two diodes (4, 4') are connected to three of the terminals, while the fourth is connectable to an antenna (3). The diodes are used as a modulator during transmit, and as a mixer during receive. When transmitting, the oscillator is used as a signal source, and when receiving, it is used as a local oscillator. The module is implemented using fin-line technology. Several ways of realizing the oscillator are given.

REFERENCES:
patent: 3996529 (1976-12-01), Curtice
patent: 4087751 (1978-05-01), Kato et al.
patent: 4259743 (1981-03-01), Kaneko et al.
patent: 4276655 (1981-06-01), Kraemer et al.
patent: 4426628 (1984-01-01), Malecki et al.
"Octave-Band Fin-Line Hybrid" by Hennawy et al., Conference: Proc. of 11th European Microwave Conference, Amsterdam, Netherlands, Sep. 7-11, 1981.
"Advances in Printed Millimeter-Wave Osc. Circuits" by Cohen, 1980, IEEE MTT-S, International Microwave Symp. Digest, May 20-30, 1980.
"94 GHz Bal. Fin Line Mixer" by Menzel et al., Electronics Letters, vol. 18, No. 1, 1/7/1982.
"The Vivaldi Aerial" by Gibson, Conference: Proc. of the 9th European Microwave Conference, Brighton, England, Sep. 17-20, 1979.

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