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US 2011/0237206 A1Published application
Switched power amplifier topology providing high efficiency
AssigneeTexas Instruments Incorporated
InventorsGireesh Rajendran, Apu Sivadas, Subhashish Mukherjee, Krishnaswamy Thiagarajan
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Abstract
A switched power amplifier contained in a circuit is implemented to receive a single-ended input signal and generate a single-ended output signal, the single-ended output signal being a power-amplified version of the single-ended input signal. The switched power amplifier provides high efficiency.
Claims13
A circuit comprising:
- a switched power amplifier to receive a single-ended input signal and generate a single-ended output signal, wherein the single-ended output signal is a power-amplified version of the single-ended input signal.
A device comprising:
- a baseband processing block to generate a transmit signal carrying data;
- an up-conversion block to translate a frequency band occupied by the transmit signal from a lower frequency band to a higher frequency band to generated a frequency-translated transmit signal;
- a switched power amplifier to provide power amplification for the frequency-translated transmit signal and to generate a power-amplified signal;
- and
- an antenna to transmit the power-amplified signal,
- wherein the switched power amplifier receives a single-ended input signal and generates a single-ended output signal, wherein the single-ended output signal is an amplified version of the single-ended input signal,
- wherein the single-ended input signal comprises the frequency-translated transmit signal, and the single-ended output signal comprises the power-amplified signal.
4 more elements
Dependencies are inferred from the claim text.