Gigabit ethernet transceiver with analog front end

Details Gigabit ethernet transceiver with analog front end Gigabit ethernet transceiver with analog front end

2006-05-02

2006-05-02

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S051000

Reexamination Certificate

active

07038545

ABSTRACT:
Circuitry to remove switches from signal paths in integrated circuit programmable gain attenuators. Programmable gain attenuators and programmable gain amplifiers commonly switch between signal levels using semi-conductor switches. Such switches may introduce non-linearities in the signal. By isolating the switches from the signal path linearity of the PGA can be improved.

REFERENCES:
patent: 5438684 (1995-08-01), Schwent et al.
patent: 5451907 (1995-09-01), Keane et al.
patent: 5694085 (1997-12-01), Walker
patent: 5757229 (1998-05-01), Mitzlaff

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