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US 7,061,324 B2Granted
Use of analog-valued floating-gate transistors for parallel and serial signal processing
AssigneeImpinj, Inc.
InventorsChristopher J. Diorio, Todd E. Humes, Ronald A. Oliver, William T. Colleran, Scott A. Cooper
Life of this patent
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Abstract
Analog-valued floating-gate transistors are used as trimmable circuit components for modifying and/or controlling the gain, phase, offset, frequency response, current consumption, and/or transfer function of signal pathways in parallel and/or serial processing circuits in radio frequency, analog, or mixed-signal integrated circuits.
Claims11
An amplifier circuit, comprising:
- a signal input node;
- a signal output node;
- a p-channel floating gate transistor having a source, a drain and a floating gate;
- and
- an n-channel floating gate transistor having a source, a drain and a floating gate,
- wherein the source of the p-channel floating gate transistor is electrically coupled to a source of electrical power of a first electrical potential, the source of the n-channel floating gate transistor is electrically coupled to a source of electrical power of a second electrical potential, the drains of the p-channel floating gate transistor and the n-channel floating gate transistor are electrically coupled to said output node, and the floating gates of the n-channel floating gate transistor and the p-channel floating gate transistor are electrically coupled to said signal input node.
3 more elements
Dependencies are inferred from the claim text.