A fully integrated pulse width modulator for Class-S power amplifiers

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概要

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• A fully integrated pulsewidth modulator for Class-S power amplifiers is presented. It consists of a triangular signal generator, a comparator and output buffer. The HBT BiCMOS design of PWM circuit is applied to the LTE frequency range, which converts digitally modulated 955MHz RF carrier with 2.87GHz sampling clock. This PWM shows an EVM 6.6%, a differential output voltage swing 1.35Vp-p with 62.7mA dissipating at 3.3V power supply.

著者

• Jung Jaeho

  Electronics and Telecommunications Research Institute

• Park Bonghyuk

  Electronics and Telecommunications Research Institute

• Lee Kwangchun

  Electronics and Telecommunications Research Institute

関連論文

• A fully integrated pulse width modulator for Class-S power amplifiers
• A 3.8-GHz highly linear LC-VCO without a varactor device

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