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US 2009/0231031 A1Published application
High-impedance level-shifting amplifier capable of handling input signals with a voltage magnitude that exceeds a supply voltage
AssigneeMonolithic Power Systems, Inc.
InventorJames Copland Moyer
Life of this patent
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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.
Claims1
An apparatus, comprising:
- a level-shifting amplifier for level-shifting an input signal with a voltage magnitude that exceeds a supply voltage of the amplifier;
- wherein the level-shifting amplifier includes a transistor with a back gate serving as an input of the level-shifting amplifier.
Dependencies are inferred from the claim text.