Gigabit ethernet transceiver with analog front end

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

2006-12-12

2006-12-12

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including gain control means

C330S051000

Reexamination Certificate

active

07148750

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: 5008631 (1991-04-01), Scherer et al.
patent: 5818299 (1998-10-01), Tran
patent: 6512416 (2003-01-01), Burns et al.

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