Amplifier arrangement with zeroing device for piezoelectric tran

Details Amplifier arrangement with zeroing device for piezoelectric tran Amplifier arrangement with zeroing device for piezoelectric tran

1973-07-20

1977-02-22

Mullins, James B.

Amplifiers

Signal feedback

Nonlinear impedance element in loop path

310 81, 330 59, H03F 136

Patent

active

040094472

ABSTRACT:
A measuring circuit including a piezoelectric transducer contains an output charge amplifier circuit with a semiconductor element connected across the storage element of the charge amplifier. The semiconductor element controls the resetting or zeroing of the storage element to thereby effect control of the operation of the charge amplifier. Typically, the semiconductor element may be a field effect transistor, photo-device, etc., and the control of the same may be remotely controlled.

REFERENCES:
patent: 3054951 (1962-09-01), Richard
patent: 3129326 (1964-04-01), Balaban
patent: 3225304 (1965-12-01), Richards
patent: 3449741 (1965-02-01), Egerton, Jr.
patent: 3541462 (1970-11-01), Sarkisian et al.
patent: 3711783 (1973-01-01), Kelling
patent: 3760287 (1973-09-01), Harris
patent: 3765239 (1973-10-01), Olsson

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