Dual mode microwave mixer

Details Dual mode microwave mixer Dual mode microwave mixer

1978-07-05

1979-07-31

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 8, 325 11, G01S 956, H04B 714

Patent

active

041632320

ABSTRACT:
A four-port dual mode microwave mixer which operates without IF or RF switches and which provides both a passive mode of operation wherein the mixer operates as a lossy frequency translator when driven by a offset signal generator, and an active mode of operation wherein the mixer is used to convert a modulated received signal to an intermediate frequency which is mixed with the offset signal in a phase detector to detect the modulation which is used through a phase-locked loop to slave the local oscillator for retransmission of a translated signal with gain.

REFERENCES:
patent: 2548813 (1951-04-01), Perkins et al.
patent: 3300782 (1967-01-01), Margerum et al.
patent: 3728724 (1973-04-01), Alpers
patent: 3886452 (1975-05-01), Seidel
patent: 4034373 (1977-07-01), DE Pierre

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