DocumentCode
3220321
Title
Design and Calibration of a Phase and Amplitude Detector
Author
Geng, Zheqiao ; Gu, Pengda ; Hou, Mi ; Pei, Guoxi
Author_Institution
Institute of High Energy Physics, the Chinese Academy of Sciences, Beijing 100049, China, gengzq@mail.ihep.ac.cn
fYear
2005
fDate
16-20 May 2005
Firstpage
1
Lastpage
3
Abstract
The phase and amplitude detector (PAD) is one of the key units of the phasing system for BEPCII linac. A new PAD based on I/Q demodulator has been constructed to measure the phase and amplitude of each klystron. To compensate the mismatches of the I/Q demodulator, a calibration algorithm using the adaptive LMS method has been developed to calibrate the I/Q demodulator, and most of the mismatches have been compensated after calibration. Some EMC methods have been adopted to minimize the influence of the noises in the klystron gallery, and the PAD has been running stably and successfully.
Keywords
Atherosclerosis; Calibration; Demodulation; Detectors; Klystrons; Least squares approximation; Linear particle accelerator; Phase detection; Phase measurement; Q measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Particle Accelerator Conference, 2005. PAC 2005. Proceedings of the
Print_ISBN
0-7803-8859-3
Type
conf
DOI
10.1109/PAC.2005.1591798
Filename
1591798
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