一种基于锁相环梳状谱发生器的设计

doi:10.16180/j.cnki.issn1007-7820.2020.03.005

摘要/Abstract

摘要：

针对传统模拟梳状谱发生器难以实现高平坦度、窄间距、灵活操控的缺陷,文中提出了一种基于锁相环机理实现梳状信号的新方式。该方法利用锁相环反馈回路的N分频器对压控振荡器输出的高频信号进行分频以得到脉冲宽度窄的脉冲信号,然后再令其通过滤波器得到满足目标带宽的高平坦度梳状谱信号。通过对分频器进行灵活编程控制可以得到不同间距的谱线,且不需要修改硬件电路设计。实验结果表明,这种基于锁相环机理及的梳状谱发生器所产生的谱线具备信号带宽大、幅度一致性高、间距可调、小型化、低功耗等优点。

关键词: 梳状谱发生器, 锁相环, 信号带宽大, 幅度一致性高, 间距可调, 小型化低功耗

Abstract:

It is difficult for the traditional analog comb generator to achieve high flatness, small frequency spacing and flexible adjustment. This study proposed a new way to realize comb signal based on phase-locked loop mechanism. Specifically, the output of the N divider in the phase-locked loop feedback branch generated a pulse signal with a narrow pulse width by dividing high frequency signal of the voltage-controlled oscillator. The pulse passed through the filter to obtain a high-flatness comb signal that satisfies the target bandwidth. By flexible programming control of the divider, the comb signal with different frequency spacing was obtained without modifying the hardware circuit design. The experimental results showed that the spectral line generated by the comb spectrum generator based on PLL had the advantages of large signal bandwidth, high amplitude uniformity, adjustable frequency spacing, miniaturization and low power consumption.

Key words: comb generator, phase locked loop, large signal bandwidth, high amplitude uniformity, adjustable frequency spacing, miniaturization and low power consumption

中图分类号:

TN784+.1

刘汉子,石玉,张玮. 一种基于锁相环梳状谱发生器的设计[J]. 电子科技, 2020, 33(3): 21-25.

LIU Hanzi,SHI Yu,ZHANG Wei. Design of a Comb Generator Based on PLL[J]. Electronic Science and Technology, 2020, 33(3): 21-25.

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参考文献 16

[1]	Harris F J, Dick C, Rice M . Digital receivers and transmitters using polyphase filter banks for wireless communications[J]. IEEE Transactions on Communication, 2003(4):1395-1412.
[2]	郑博仁 . 0.2~18 GHz 梳状谱信号发生器研究[D]. 成都:电子科技大学, 2005.
	Zheng Boren . Research of 0.2~18 GHz comb spectrum signal generator[D]. Chengdu:University of Electronic Science and Technology of China, 2005.
[3]	费元春 . 固态倍频[M]. 北京: 高等教育出版社, 1985.
	Fei Yuanchun. Solid state frequency multiplier[M]. Beijing: Higher Education Press, 1985.
[4]	Zhang Jian, Raisanen A V . Computer-aided design of step recovery diode frequency multipliers[J]. IEEE Transactions on Microwave Theory and Techniques, 1996,44(12):2612-2616.
[5]	Han J W, Miao M, Nguyen C. Recent development of SRD- and FET-based sub-nanosecond pulse generators for ultra-wideband communications[C]. Honolulu:IEEE Topical Conference onWireless Communication Technology, 2003.
[6]	马国宁 . 多参数可调扩频信号源的设计[J]. 实验科学与技术, 2006,4(1):5-7.
	Ma Guoning . Design of multi-parameter adjustable spread spectrum signal source[J]. Experimental Science and Technology, 2006,4(1):5-7.
[7]	赖寒昱, 李光灿, 杜勇 . 基于ADS仿真的梳状谱发生器的设计与实现[J]. 电子科技, 2014,27(7):84-86.
	Lai Hanyu, Li Guangcan, Du Yong . Design and implementation of comb spectrum generator based on ADS simulation[J]. Electronic Science and Technology, 2014,27(7):84-86.
[8]	王朋, 金森, 霍现荣 . 基于ADS的Ku波段梳状谱发生器的设计[J]. 电子技术应用, 2013,39(7):44-46,53.
	Wang Peng, Jin Sen, Huo Xianrong . Design of Ku-band comb spectrum generator based on ADS[J]. Application of Electronic Technique, 2013,39(7):44-46,53.
[9]	刘宇军, 尹洪雁, 刘扬 , 等. 一种新型数字超宽带梳状谱信号发生器的研制[J]. 科学技术与工程, 2016,16(5):161-164.
	Liu Yujun, Yin Hongyan, Liu Yang , et al. Development of a novel digital ultra-wideband comb spectrum signal generator[J]. Science Technology and Engineering, 2016,16(5):161-164.
[10]	Ameya M, Kurokawa S. High flatness log-scale comb-generator using FPGA-based arbitrary waveform generator for sub-30 MHz emission test systems[C]. Shenzhen:AsiaPacific International Symposiumon Electromagnetic Compatibility, 2016.
[11]	Ameya M, Ishii M, Kurokawa S. Digital comb-generator for validating sub-30 MHz radiated emission test system using double-gapped shielded loop antenna[C]. Washington D C:IEEE International Symposium on Electromagnetic Compatibility & Signal/powerIntegrity, 2017.
[12]	于志华, 张长军 . 梳状谱发生器的设计[J]. 电光系统, 2014,3(1):12-15.
	Yu Zhihua, Zhang Changjun . Design of comb spectrum generator[J]. Electronic and Electrooptical Systems, 2014,3(1):12-15.
[13]	陈邦媛 . 射频通信电路[M]. 2版.北京: 科学出版社, 2013.
	Chen Bangyuan. Radio frequency communication circuit[M].Second Edition. Beijing: Science Press, 2013.
[14]	Analog Devices. ADF4356 datasheet[EB/OL].( 2017 -06-16)[2018-12-07] https://www.analog.com/media/en/technical-documentation/data-sheets/ADF4356.pdf.
[15]	远坂俊昭 . 锁相环(PLL)电路设计与应用[M]. 何希才译.北京: 科学出版社, 2006.
	Toshiaki Takasaka. Phase-LockedLoop (PLL) circuit design and application[M].Translated by He Xicai. Beijing: Science Press, 2006.
[16]	加德纳 . 锁相环技术[M]. 3版.姚剑清,译. 北京: 人民邮电出版社, 2007.
	Floyd M Gardner. Phaselock techniques[M].Third Edition. Translated by Yao Jianqing. Beijing: Posts and Telecom Press, 2007.