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http://dx.doi.org/10.5515/KJKIEES.2009.20.3.264

Design and Fabrication of a Ka-Band 10 W Power Amplifier Module  

Kim, Kyeong-Hak (Department of Radio Science and Engineering, Chungnam National University)
Park, Mi-Ra (Department of Radio Science and Engineering, Chungnam National University)
Kim, Dong-Wook (Department of Radio Science and Engineering, Chungnam National University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.20, no.3, 2009 , pp. 264-272 More about this Journal
Abstract
In this paper, a Ka-band 10 W power amplifier module is designed and fabricated using MIC(Microwave Integrated Circuit) module technology which combines multiple power MMIC(Monolithic Microwave Integrated Circuit) chips on a thin film substrate. Modified Wilkinson power dividers/combiners are used for millimeter wave modules and CBFGC-PW-Microstrip transitions are utilized for reducing connection loss and suppressing resonance in the high-gain and high-power modules. The power amplifier module consists of seven MMIC chips and operates in a pulsed mode. for the pulsed mode operation, a gate pulse control circuit supplying the control voltage pulses to MMIC chips is designed and applied. The fabricated power amplifier module shows a power gain of about 58 dB and a saturated output power of 39.6 dBm at a center frequency of the interested frequency band.
Keywords
Power Amplifier Module; Modified Wilkinson Power Divider; Ka-Band; Gate Pulse Control Circuit;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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