Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Patent
1980-03-21
1981-12-15
Bookbinder, Marc E.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency modifying or conversion
455326, 455330, 329203, 329160, 331 42, H01P 512, H03D 702
Patent
active
043063128
ABSTRACT:
The invention aims at obtaining an intermediate beat frequency from two millimeter wave frequencies by attenuating as much as possible the amplitude variations of the frequency coming from the local oscillator.
The mixer of the invention comprises two modules each containing a diode, one electrode of which is grounded to a conducting support. The modules are face to face. The diodes detect the electric field of the wave of the signal to be processed reigning in a cavity, and through conducting strips serving as outputs for the mixer and extending into a cavity where the electric field radiated by the local oscillator reigns, each module also detects a part of this electric field. The output terminals of the intermediate frequency are connected to an operational amplifier.
REFERENCES:
patent: 2576481 (1951-11-01), Rodwin
patent: 2761061 (1956-08-01), Mattern
patent: 3271686 (1966-09-01), Bock
patent: 3538465 (1970-11-01), Manning
patent: 3638126 (1972-01-01), Spacek
patent: 3654556 (1972-04-01), Wen
"Thomson-CSF"
Bookbinder Marc E.
Chin Tommy P.
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