Low distortion large swing frequency down coverter filter amplif

Details Low distortion large swing frequency down coverter filter amplif Low distortion large swing frequency down coverter filter amplif

1996-09-30

1999-05-04

Chin, Wellington

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455326, 327113, 327359, H04B 128

Patent

active

059013508

ABSTRACT:
A semiconductor integrated circuit to provide a low distortion, large swing intermediate frequency wherein the circuit includes the function of mixing, filtering, and amplification on a single chip. A pair of differential currents are obtained from the mixer, the differential currents are filtered and conditioned, converted to a pair of differential voltages and amplified to obtain the low distortion, large swing intermediate frequency.

REFERENCES:
patent: 5214390 (1993-05-01), Montreuil
patent: 5287351 (1994-02-01), Wall
patent: 5465415 (1995-11-01), Bien
patent: 5477191 (1995-12-01), Demicheli
patent: 5493713 (1996-02-01), Horsfall et al.
patent: 5507036 (1996-04-01), Vagher
patent: 5532637 (1996-07-01), Khoury
patent: 5630228 (1997-05-01), Mittel
IEEE, 1993 (A High-Gain HEMT Monolithlic Down coverter for X-Band Direct Broadcast Satellite Applications) p. 229, Joslin et al, Mar. 1993.

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