Method for active Gm-C filter gain control

Details Method for active Gm-C filter gain control Method for active Gm-C filter gain control

2006-03-31

2009-10-27

Nguyen, Simon D (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S251100, C455S253200, C455S307000, C455S339000

Reexamination Certificate

active

07610029

ABSTRACT:
An integrated circuit chip include a transmitter configured for transmitting an electromagnetic signal, a receiver configured for receiving an electromagnetic signal, and an amplifier operatively coupled to the receiver. The amplifier includes a plurality of variable-gain Gm-C filter stages connected in series and configured for selectively amplifying frequency components within a frequency bandwidth of the received electromagnetic signal.

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patent: 2001/0020865 (2001-09-01), Morie et al.
patent: 2008/0045162 (2008-02-01), Rofougaran et al.
patent: 2008/0284505 (2008-11-01), Okada

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