✦ LIBER ✦
A reduced-size branch-line coupler for improved LDMOS balanced power amplifiers
✍ Scribed by Drasko Draskovic; H. Koulouzis; D. Budimir
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 390 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
This article discusses the application of a reduced‐size branch‐line coupler in the design of a LDMOS class‐AB balanced power amplifier at a center frequency of 2.14 GHz. In the proposed balanced configuration, at center frequency a size reduction, improved intermodulation distortion level by 7 dB, and power added efficiency by 5% are achieved, comparing with the balanced configuration with Wilkinson couplers. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 445–448, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24058