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High-impedance level-shifting amplifier capable of handling input signals with a voltage magnitude that exceeds a supply voltage

Patent number: 7511572

Abstract: A level-shifting amplifier is provided for level-shifting an input signal with a voltage magnitude that exceeds a supply voltage of the amplifier. In operation, the amplifier has an input impedance of greater than 100 MOhms.

Type: Grant

Filed: May 6, 2008

Date of Patent: March 31, 2009

Assignee: Monolithic Power Systems, Inc.

Inventor: James Copland Moyer