Charge amplifier device having fully integrated DC...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Nonlinear amplifying circuit

Reexamination Certificate

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Details

C327S561000, C327S563000, C330S253000, C330S259000, C330S260000

Reexamination Certificate

active

06873206

ABSTRACT:
A fully integrated charge amplifier with DC stabilization includes a first amplifier having an input terminal and an output terminal, a first capacitor coupled between the input terminal and the output terminal of the first amplifier, a transimpedance amplifier having an input terminal coupled to the output terminal of the first amplifier and an output terminal, and an impedance device coupled between the input terminal of the first amplifier and the output terminal of the second amplifier. The impedance device has a resistance of at least 1 MΩ.

REFERENCES:
patent: 4257006 (1981-03-01), Schaumann
patent: 5138279 (1992-08-01), Kondo et al.
patent: 5708376 (1998-01-01), Ikeda
patent: 5952885 (1999-09-01), Wu et al.

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