Modified cascode mixer circuit

Details Modified cascode mixer circuit Modified cascode mixer circuit

1990-11-30

1992-01-21

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307304, 3072191, 455333, H03B 1900, H03K 3353

Patent

active

050830503

ABSTRACT:
In a conventional mixer circuit, in order to have high conversion gain, high input power is needed. For the mixer circuit of the present invention, by incorporating a modified cascode circuit whereby the input stage FET has a higher saturation current than the output stage FET, the same high conversion gain can be achieved. In addition, the present invention mixer circuit requires an input DC power that is considerably less than that needed for the conventional mixer circuit.

REFERENCES:
patent: 4090139 (1978-05-01), Hoover
patent: 4814649 (1989-03-01), Young
patent: 4845389 (1989-07-01), Pyndiah et al.

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