Low voltage swing pad driver and receiver

Details Low voltage swing pad driver and receiver Low voltage swing pad driver and receiver

2007-12-04

2007-12-04

Nguyen, Linh V. (Department: 2819)

Pulse or digital communications

Transmitters

C375S270000, C375S316000

Reexamination Certificate

active

10926212

ABSTRACT:
Low voltage swing pad driver and receiver. A transmitter portion and a receiver portion are implemented within various devices that communicate using low voltage swing pads communicatively coupled via a trace. The transmitter portion of one device generates a current signal that is pushed/pulled to a low voltage swing pad and is then passed across the trace to another low voltage swing pad. The transmitter portion includes a current driver that outputs the current signal to the low voltage swing pads, and the receiver portion includes a trans-impedance amplifier that transforms the received current signal into a voltage signal. The low voltage swing pad driver and receiver generates a relatively low voltage swing when compared to CMOS full-scale voltage swings thereby significantly reducing the possibility of introducing any noise and/or distortion of data that is communicated via the interface.

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patent: 6801577 (2004-10-01), Ranganathan et al.
patent: 2003/0048099 (2003-03-01), Miyagawa et al.

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