Selective signal coupling in high speed I/O circuits

Details Selective signal coupling in high speed I/O circuits Selective signal coupling in high speed I/O circuits

2004-08-17

2008-12-02

Tran, Khai (Department: 2611)

Pulse or digital communications

Transceivers

Reexamination Certificate

active

07460586

ABSTRACT:
According to an example embodiment, a data-transfer circuit transfers high-speed input data toward an output port by coupling the data circuit selectively through a resistive-impedance circuit and a capacitive-impedance circuit to accommodate both high-frequency and low-frequency components of the input data signal. In a particular implementation, the control circuit can selectively control the data-passing circuit path by causing the input data to pass through the resistive-impedance circuit and therein pass low-frequency components of the input data signal while the capacitive-impedance circuit passes high-frequency components of the input data signal.

REFERENCES:
patent: 5627501 (1997-05-01), Biran et al.
patent: 7187530 (2007-03-01), Salling et al.
patent: 2005/0093661 (2005-05-01), Gomez et al.
U.S. Appl. No. 10/659,971, filed Sep. 11, 2003, Boecker et al.

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