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Design of Ku-band Channel Amplifier Engineering Model for Communication and Broadcasting Satellite Payload  

장병준 (한국전자통신연구원 통신위성개발센터)
염인복 (한국전자통신연구원 통신위성개발센터)
이성팔 (한국전자통신연구원 통신위성개발센터)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.13, no.10, 2002 , pp. 982-988 More about this Journal
Abstract
This paper summarizes the design concepts and implementation of a Ku-band channel amplifier's engineering model for the communication and broadcasting satellite applications. The selected architecture uses the analog gain control for the FGM(Fixed Gain Mode) and the output level limiting using automatic loop control for the ALC (automatic level control) mode. The Ku-band channel amplifier incorporates several state-of-the-art components including voltage-controlled PIN diode attenuators, and various temperature-compensation circuits. The measured characteristics of the Ku-band channel amplifier are in good agreement with the expected performance. The results show a fixed gain control of 28 dB, and an automatic level control of 16 dB over operating temperature range. The designed engineering model could be used as a channel amplifier for Ku-band communication and broadcasting satellite payload system.
Keywords
Channel Amplifier; Satellite Payload; Ku-band;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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