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50 watt MMIC power amplifier design for 2 GHz applications

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4 Author(s)
M. Akkul ; Filtronic plc., Shipley, UK ; M. Sarfraz ; J. Mayock ; W. Bosch

In this paper the design and the measurement of a 2 GHz 50 Watt (CW) MMIC power amplifier (PA) are discussed. The authors believe that this is the most powerful MMIC implementation that has been reported. The amplifier utilizes a class-F combining structure and realized using the company internal 0.5 μm GaAs pHEMT power process. The MMIC measure 10×10 mm2 and delivers 50 Watts of CW power at an efficiency greater than 45% over more than 10% bandwidth at a nominal 12 V supply voltage. The amplifier gain is 21 dB throughout the operational band.

Published in:

Microwave Symposium Digest, 2004 IEEE MTT-S International  (Volume:3 )

Date of Conference:

6-11 June 2004