Design of up-converter and down-converter for S-C band

被引：0
|
作者：
Wang, Pei-zhang [1 ]
Zhan, Jian-feng [1 ]
Li, Ping-hui [1 ]
机构：
[1] PLA Univ Sci & Technol, Commun Inst, Nanjing 210007, Jiangsu, Peoples R China
来源：
WIRELESS COMMUNICATION AND SENSOR NETWORK | 2016年
关键词：
Up-conversion and Down-conversion; Synthesizer; Filter; Test;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In order to research the system of satellite communication and its new technology in the laboratory, an up-converter and down-converter for S-band is proposed in this paper. A PLL (phase locked loop) frequency synthesizer, an IF (intermediate frequency) AGC (automatic gain control) amplifier, and a coaxial cavity filter is designed based on chip ADF4113. The amplitude-frequency characteristic, phase-frequency characteristic and degree of balance for channels are measured. The measurement results are given. The spurious signal is -70 dBc over the 500 MHz band, and the phase noise is 80dBc/Hz@1kHz. The amplitude-frequency characteristic and phase-frequency characteristic of uplink and down-link are tested, and verified the feasibility of the scheme.
引用
收藏
页码：166 / 175
页数：10
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