Amplifier circuit and receiving device

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

Reexamination Certificate

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Details

C455S232100

Reexamination Certificate

active

07991370

ABSTRACT:
Disclosed herein is an amplifier circuit formed by multiple transistor stages and having an input terminal for a signal and an inverted output terminal configured to output an inverted signal after amplification, wherein a feedback resistance and a feedback capacitor for input impedance matching are connected in series with each other between the inverted output terminal and the input terminal.

REFERENCES:
patent: 5914640 (1999-06-01), Nasserbakht
patent: 6873207 (2005-03-01), Sakuno
patent: 2003/0035070 (2003-02-01), Fanous et al.
patent: 63-054004 (1988-03-01), None
patent: 05-121953 (1993-05-01), None
patent: 2752795 (1998-02-01), None
patent: 2005-203935 (2005-07-01), None

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