High-speed receiver for high I/O voltage and low core voltage

Details High-speed receiver for high I/O voltage and low core voltage High-speed receiver for high I/O voltage and low core voltage

2005-08-16

2005-08-16

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S080000, C326S081000

Reexamination Certificate

active

06930530

ABSTRACT:
A receiver circuit. A reference voltage circuit is supplied with a first power supply voltage for outputting a reference voltage that is a mid-point voltage between the first power supply voltage and ground. A reference current circuit generates a first current according to the reference voltage. A receiving circuit is supplied with a second power supply voltage higher than the first power supply voltage, including a first current source for generating a second current according to the first current, and a differential amplifier circuit for generating an output signal contained within a voltage range of the first power supply voltage and centered around the mid-point voltage of the first power supply voltage according to the second current.

REFERENCES:
patent: 5786618 (1998-07-01), Wen
patent: 5911104 (1999-06-01), Smayling et al.
patent: 6275094 (2001-08-01), Cranford, Jr. et al.
patent: 6819145 (2004-11-01), Swartz et al.

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