AC differential amplifier with reduced low corner frequency

Details AC differential amplifier with reduced low corner frequency AC differential amplifier with reduced low corner frequency

2006-08-22

2006-08-22

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S283000

Reexamination Certificate

active

07095279

ABSTRACT:
An AC differential amplifier includes a pair of identical differential transconductance stages. Each transconductance stage includes a pair of inputs and a pair of outputs. The pairs of output of the transconductance stages are connected in common, and form a pair of output nodes of the AC differential amplifier. The pair of output nodes is also connected to a supply line through respective load resistors. One input of one transconductance stage is coupled through a capacitive device to an input of the other transconductance stage. The other inputs of the transconductance stages form the input terminals of the AC differential amplifier.

REFERENCES:
patent: 5510738 (1996-04-01), Gorecki et al.
patent: 5867062 (1999-02-01), Kudou
patent: 6262628 (2001-07-01), Shinomiya
patent: 6359503 (2002-03-01), Alini et al.
patent: 2002/0003441 (2002-01-01), Steensgaard-Madsen

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