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High performance 1.5W pHEMT distributed power amplifier with adjustable inter-stage cascaded network for 10 divided by 2000 MHz

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Publication date2008
Host publicationPROCEEDINGS OF THE 14TH CONFERENCE ON MICROWAVE TECHNIQUES: COMITE 2008
EditorsJ Sistek, K Novotna, M Pourova, L Cifra, L Visek
Place of PublicationPRAHA 6
PublisherCZECHSLOVAKIA SECTION IEEE
Pages293-296
Number of pages4
ISBN (Print)978-1-4244-2137-4
<mark>Original language</mark>English
Event14th Conference on Microwave Techniques - Prague

Conference

Conference14th Conference on Microwave Techniques
CityPrague
Period23/04/0824/04/08

Conference

Conference14th Conference on Microwave Techniques
CityPrague
Period23/04/0824/04/08

Abstract

A new topology of high performance pHEMT distributed power amplifier is presented An adjustable inter-stage cascaded matching network between two nonidentical transistors is proposed. The superiority of the topology as indicated by the theoretical discussion is verified through simulation. Gain and PAE of 24 dB and 45-56%, respectively while output power of 32 dBm (+/- 12dB) for frequency ranges (10-2000 MHz) are achieved Moreover, stability analysis through pole-zero identification indicated, for this topolopy, and acceptable stability margin even under large-signal operation.