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A low phase noise and frequency agility synthesizer for millimeter-wave transceiver

Published online by Cambridge University Press:  11 April 2017

Qianhua Fu
Qianhua Fu*
Affiliation:
School of Electrical Engineering and Electronic Information, Xihua University, Chengdu 610039, People's Republic of China School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 610054, People's Republic of China. Phone: +86 13666241057
*
Corresponding author: Q. Fu Email: qhfu8@mail.xhu.edu.cn
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Abstract

With the increasing demand of millimeter-wave (MMW) communication, the performance of its frequency synthesizer has high requirements. In this paper, a multiple conversion mechanism, which used hybrid frequency synthesis technique is presented. Some key modules include linear frequency-modulated generator, agile, and low phase noise local oscillators (LOs), automatic gain control, receiver front-end circuit, and MMW LO circuits are discussed and simulated to verify correctness of the mechanism. The experimental results show that, spurious is better than −65 dBc, phase noise is no more than −80 dBc/Hz@1 kHz, and the maximum frequency-hopping time is <1.8 µs.

Keywords

Active circuitsRF Front-endsLow-noise and communication transceivers
Type
Industrial and Engineering Paper
Information
International Journal of Microwave and Wireless Technologies , Volume 9 , Special Issue 8: Biomedical Applications of RF/Microwave and Optics Technologies , October 2017 , pp. 1611 - 1618
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2017 

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References

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