Multiple-band mixer circuit

Details Multiple-band mixer circuit Multiple-band mixer circuit

1988-07-20

1991-03-05

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455190, 455209, 455226, 455330, H04B 1702

Patent

active

049982931

ABSTRACT:
A multiple-band mixer circuit includes at least two mixer circuit blocks, a selection circuit block for selecting one of the mixer circuit blocks, and a monitor circuit provided for common use by the at least two mixer circuit blocks, for monitoring the operation state of a mixer circuit block selected by the selection circuit block.

REFERENCES:
patent: 3189836 (1965-06-01), Podell
patent: 3327221 (1967-06-01), Rieth
patent: 3946318 (1976-03-01), Gruber
patent: 4179662 (1979-12-01), Pflasterer
patent: 4191966 (1980-03-01), Ovnick, Jr.
patent: 4509198 (1985-04-01), Nagatomi
patent: 4555808 (1985-11-01), Fujimoto
patent: 4607394 (1986-08-01), Nightengale
patent: 4633188 (1986-12-01), Matsuta
patent: 4710974 (1987-12-01), Kupfer

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