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Development of 3 kW at 325 MHz solid-state RF power amplifier using four power amplifier modules

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Title Development of 3 kW at 325 MHz solid-state RF power amplifier using four power amplifier modules
 
Creator RAMARAO, BV
SONAL, S
MISHRA, JK
PANDE, M
SINGH, P
KUMAR, G
MUKHERJEE, J
 
Subject Power amplifier
Combiner
Solid-state
 
Description A high power solid-state RF power amplifier of 3 kW at 325 MHz has been developed using only four RF power amplifier modules of 850 W power output each. The design and characterization of RF power modules have been presented. A four way Wilkinson power combiner adds the output of four power amplifier modules with a total transmission loss of less than 6%. The combined power amplifier has a power gain of 20.2 dB at 1-dB compression point, and the Corresponding output power is 2.8 kW at 325 MHz. The drain efficiency of the power amplifier is 65.3% at 3 kW. All the harmonics of this amplifier are below -40 dBc. The amplifier has better characteristics like fewer numbers of active devices per kilo watt, high efficiency, high gain, and ruggedness etc for RF accelerator applications. (C) 2013 Elsevier B.V. All rights reserved.
 
Publisher ELSEVIER SCIENCE BV
 
Date 2014-12-28T15:26:57Z
2014-12-28T15:26:57Z
2014
 
Type Article
 
Identifier NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 735283-290
0168-9002
1872-9576
http://dx.doi.org/10.1016/j.nima.2013.09.053
http://dspace.library.iitb.ac.in/jspui/handle/100/16870
 
Language English