Band-pass filter and tracking signal processor circuit

Details Band-pass filter and tracking signal processor circuit Band-pass filter and tracking signal processor circuit

2008-01-08

2008-01-08

Mai, Tan V. (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical analog calculating computer

Particular function performed

Reexamination Certificate

active

10744626

ABSTRACT:
A band-pass filter includes two operational amplifiers. The gm values of the operational amplifiers are each determined by a current flowing through a corresponding transistor for inducing flow of the drive current. The current flowing through the transistor is adjusted by zapping.

REFERENCES:
patent: 3986127 (1976-10-01), Ray
patent: 4884036 (1989-11-01), Koyama et al.
patent: 2004/0229582 (2004-11-01), Miyasita et al.

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