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US 9,866,182 B2Granted
MRAM-based pre-distortion linearization and amplification circuits
AssigneeCrocus Technology SA
InventorsDouglas J. Lee, Yaron Oren-Pines, Seyed A. Tabatabaei
Life of this patent
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Abstract
A circuit has a magnetic device to produce a pre-distorted signal from a sinusoidal input signal. The magnetic device has physical attributes selected to produce characteristics of the pre-distorted signal. A power amplifier is coupled to the magnetic device. The power amplifier processes the pre-distorted signal to produce an output signal with reduced nonlinear behavior associated with the power amplifier.
Claims10
A circuit, comprising:
- a magnetic device to produce a pre-distorted signal from a sinusoidal input signal, wherein the magnetic device has physical attributes selected to produce characteristics of the pre-distorted signal, wherein the magnetic device includes an array of magnetic tunnel junctions, each magnetic tunnel junction comprising a reference layer having a reference magnetization, a tunnel barrier layer, and a storage layer having a storage magnetization;
- and
- a power amplifier coupled to the magnetic device, the power amplifier processing the pre-distorted signal to produce an output signal with reduced nonlinear behavior associated with the power amplifier.
Dependencies are inferred from the claim text.