Single-ended input, differential output low noise amplifier

Details Single-ended input, differential output low noise amplifier Single-ended input, differential output low noise amplifier

2006-08-08

2006-08-08

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S260000

Reexamination Certificate

active

07088179

ABSTRACT:
An amplifier has an input terminal to receive an input signal. The amplifier includes a first gain stage comprising a pair of input transistors and a second gain stage to drive an output stage. The output stage provides inverting and non-inverting differential output signals on inverting and non-inverting output nodes. The amplifier may also include a feedback signal electrically connected between the inverting and non-inverting output nodes to emitters of the input transistors through a resistor network.

REFERENCES:
patent: 5077541 (1991-12-01), Gilbert
patent: 5537079 (1996-07-01), Gosser et al.
patent: 5587674 (1996-12-01), Danstrom
patent: 5684431 (1997-11-01), Gilbert et al.
patent: 6104244 (2000-08-01), Gilbert
patent: 6118340 (2000-09-01), Koen
patent: 6489849 (2002-12-01), Gilbert
patent: 6525601 (2003-02-01), Gilbert
Scott A. Wurcer, A Programmable Instrumentation Amplifier for 12-Bit Resolution Systems, IEEE Journal of Solid-State Circuits, vol. SC-17, No. 6, Dec. 1982, pp. 1102-1111.

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