UHF band transistor mixer circuit

Details UHF band transistor mixer circuit UHF band transistor mixer circuit

1990-02-13

1991-08-27

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072191, 307271, 328 15, 328156, 333218, H03D 1300, H03K 906

Patent

active

050436090

ABSTRACT:
A UHF band transistor mixer circuit includes a frequency converting transistor to a base of which a received high-frequency signal and a local oscillation signal are applied. A collector of the frequency converting transistor is connected to a low-pass filter from which a desired frequency signal, i.e., an intermediate frequency signal is outputted. A series resonance circuit having a series resonance frequency point existing in a frequency region between both the signals is connected between an emitter of the frequency converting transistor and a reference potential.

REFERENCES:
patent: 3177378 (1965-04-01), Pulfer et al.
patent: 3921056 (1975-11-01), Mahoney
patent: 4403156 (1983-09-01), Sakamoto
patent: 4684833 (1987-08-01), Rinderle
patent: 4713556 (1987-12-01), Yamamoto et al.

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