Line interface with gain feedback coupled matching impedance

Details Line interface with gain feedback coupled matching impedance Line interface with gain feedback coupled matching impedance

2005-08-02

2005-08-02

Mei, Xu (Department: 2644)

Telephonic communications

Subscriber line or transmission line interface

C379S399020, C379S388070, C379S390030, C379S390040, C379S391000, C379S392000, C379S394000, C379S398000

Reexamination Certificate

active

06925172

ABSTRACT:
A transceiver system is disclosed for use in a telecommunication system. The transceiver system includes a transmission circuit including a transmitter input coupled to an input of a transmission amplifier, a receiver circuit including a receiver output coupled to an output of a receiver amplifier, and a transmission line interface circuit that is coupled to an output of the transmission amplifier and to an input of the receiver amplifier. The transmission line interface circuit includes a matching impedance that is directly coupled to a feedback path of the transmission amplifier and that terminates the transmission line of the transceiver system.

REFERENCES:
patent: 5245654 (1993-09-01), Wilkinson et al.
patent: 5528630 (1996-06-01), Ashley et al.
patent: 5822426 (1998-10-01), Rasmus et al.
patent: 5838722 (1998-11-01), Consi
patent: 6028487 (2000-02-01), Kakuta et al.
patent: 0 868 035 (1998-09-01), None
patent: 1 111 865 (2001-06-01), None
“Line-Driver Design for Broadband Communications Applications,” Eamon Nash.Electronics Design. Sep. 2, 1997.

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