1975-06-16
1976-09-28
Griffin, Robert L.
325446, H04B 126
Patent
active
039834891
ABSTRACT:
A doubling mixer includes an input tuned circuit adjusted to the frequency of an input signal, an output tuned circuit tuned to the desired output frequency, and a local oscillator. Semiconductor switch means are interposed between said input and output tuned circuits, the switch means being responsive to the local oscillator to conduct twice during each cycle thereof. The relationship between the input and output signal frequencies as a function of the local oscillator frequency may be expressed as:
REFERENCES:
patent: 2088432 (1937-07-01), Peterson
patent: 2608650 (1952-08-01), Myers
patent: 2616033 (1952-10-01), Adler
patent: 3227955 (1966-01-01), Yasuda et al.
patent: 3665508 (1972-05-01), Gawler
Cohen Joseph T.
General Electric Company
Griffin Robert L.
Ng Jin F.
Salai Stephen B.
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