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Design of low-cost broadband class-E power amplifier using low-voltage supply

✍ Scribed by Y. Qin; S. Gao; A. Sambell; E. Korolkiewicz

Publisher: John Wiley and Sons
Year: 2004
Tongue: English
Weight: 558 KB
Volume: 44
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.20559

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✦ Synopsis

The design of a broadband high-efficiency class-E power amplifier (PA) using a 0.8-m PHEMT device is presented. In order to achieve broadband operation, a T-transform output-load network is used. Power-added efficiency (PAE) greater than 50% is achieved over a frequency bandwidth of 49%. The simulation and practical results confirm the validity of this approach.

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## Abstract In this article, an LDMOS class‐E power amplifier is analyzed based on the equivalent transistor model considering drift region effect.In the analysis, nonzero switch‐on resistance, parasitic feedback capacitance, and finite drain DC feed inductance are taken into account, so as to pres