Patent ID: 8195109
Filing Date: 2012-06-05
Classification: H03F

Abstract:
1. A switched power amplifier comprising: A. an input receiving a single-ended input signal and an output carrying a single-ended output signal, the single-ended output signal being a power-amplified version of the single-ended input signal; B. a first transistor and a second transistor; and C. a load coupling block containing an input tuned circuit and an output tuned circuit, each of the input tuned circuit and the output tuned circuit being tuned to a center frequency of a band of frequencies occupied by the single-ended output signal; D. wherein control terminals of each of the first transistor and the second transistor receive the single ended input signal, E. wherein the single-ended input signal causes the first transistor and the second transistor to operate in a switched manner, and F. wherein the output tuned circuit generates the single-ended output signal at a terminal of the output tuned circuit.