Transmit/receive microwave circuit

Telecommunications – Transmitter and receiver at same station – With transmitter-receiver switching or interaction prevention

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Details

333247, 333250, 343 5DD, H04B 154, G01S 1360

Patent

active

042597439

ABSTRACT:
A microwave integrated circuit device for use in the transmitting and receiving portion of a Doppler speedometer utilizing microwaves. In order to keep the transmitting power low and the receiving sensibility high, a microwave integrated circuit plate in which a transmitting antenna line and lines for connecting mixer diodes therewith are arranged at right angles is mounted within a rectangular waveguide and in the vicinity of a short-circuit plate of the waveguide in a manner to lie at right angles with the electric field of the waveguide.

REFERENCES:
patent: 2832885 (1958-04-01), Brett
patent: 3066290 (1962-11-01), Whitehorn
patent: 3512091 (1970-05-01), Blixt et al.
patent: 3768025 (1973-10-01), Hreha
patent: 3882396 (1975-05-01), Schneider
patent: 4122449 (1978-10-01), Endo

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