用于HF接收机的高纯度频率源的研制
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摘要
高纯度频率源是HF(high frequency)大动态接收机的关键部件,对接收机性能有重要影响。目前,高纯度频率源的性能尚不能满足HF接收机的需要,需要进行不断的研究和改进。文章介绍了用于某机载HF接收机的高纯度频率源的研制,给出了方案原理和性能仿真,并进行了电路设计、加工和测试。测试结果表明,该频率源输出频率为76.8~104.8MHz,输出幅度大于+10dBm,相位噪声优于-145dBc/Hz@10KHz,杂散抑制大于86dB,换频速度小于10μs。主要指标较上一代HF接收机有了大幅提升,相噪优化了10dB,换频速度提升了4倍,而体积和功耗只有原来的1/5,具有广阔的应用前景。
High purity frequency synthesizer is an important component of HF high dynamic receiver,which has important influence on the performance of the receiver.At present,the performance of HF receiver of high purity frequency synthesizer cannot meet the needs of HF receivers,and continuous research and improvement are needed.This paper introduces the development of a high purity frequency synthesizer for an airborne HF receiver,gives the scheme principle,performance simulation,circuit design,processing and test.The test results show that the output frequency of the frequency synthesizer module is 76.8~104.8 MHz,the output amplitude is greater than 10 dBm,the phase noise is better than-145 dBc/Hz@10 kHz,the stray suppression is greater than 86 dB,the frequency changing speed is less than 10μs.Compared with the previous generation HF receiver,the main performance indexes has been greatly improved,the phase noise optimized 10 dB,the frequency conversion speed increased by 4 times,and the volume and power dissipation are only 1/5 of the original,so it has broad application prospects.
High purity frequency synthesizer is an important component of HF high dynamic receiver,which has important influence on the performance of the receiver.At present,the performance of HF receiver of high purity frequency synthesizer cannot meet the needs of HF receivers,and continuous research and improvement are needed.This paper introduces the development of a high purity frequency synthesizer for an airborne HF receiver,gives the scheme principle,performance simulation,circuit design,processing and test.The test results show that the output frequency of the frequency synthesizer module is 76.8~104.8 MHz,the output amplitude is greater than 10 dBm,the phase noise is better than-145 dBc/Hz@10 kHz,the stray suppression is greater than 86 dB,the frequency changing speed is less than 10μs.Compared with the previous generation HF receiver,the main performance indexes has been greatly improved,the phase noise optimized 10 dB,the frequency conversion speed increased by 4 times,and the volume and power dissipation are only 1/5 of the original,so it has broad application prospects.
引文
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[2]房金虎.现代电子战导论[M].1版.北京:军事谊文出版社,2014.
[3]赵明,杨小牛,邹少丞,等.电子战技术与应用——通信对抗篇[M].1版.北京:电子工业出版社,2005.
[4]ZABLOCKY P,SPOENLEIN S,PEDDUCORD B,et al.Hardware/Software convergence for C4ISR/EW[C]//IEEEMilitary Communications Conference,Baltimore,USA:IEEE,2014:1454-1458.
[5]WJ Communications Inc.High Dynamic Range Receiver Parameters[Z].San Jose:WJ Communications Inc.,1980.
[6]MOHAMMED A T,MARIAM T A,QASENM A H,et al.Dynamic spectrum analyzer using software defined radio[C]//IEEE International Conference on Interactive Mobile and Computer Aided Learning(IMCL),Amman,Jordan:IEEE,2012:167-172.
[7]BERGER P,SCHWARZ M,MOLIN S,et al.20GHz instantaneous bandwidth RF spectrum analyzer with high timeresolution[C]//IEEE 9th Asia-Pacific Microwave Photonics Conference,Sapporo,Japan:IEEE,2014:331-334.
[8]华宇,郭伟,燕保荣,等.我国授时服务体系发展现状分析[J].时间频率学报,2016,39(3):193-201.
[9]陈永奇,邢燕,陈颖明.BPM短波定时接收机的设计与实现[J].时间频率学报,2016,39(2):95-103.
[10]车爱霞,段建文,魏孝峰,等.升级改造后的BPL时频监控系统[J].时间频率学报,2010,33(2):134-139.
[11]魏亚静,袁海波,董绍武,等.BDS星钟预报误差分析及对授时性能的影响[J].时间频率学报,2016,39(4):301-307.
[12]刘音华,李孝辉,刘长虹,等.地基长波授时系统/GNSS组合定位技术研究[J].时间频率学报,2017,40(3):161-177.
[13]蒋涛,张建刚.高频谱纯度小步进频率合成器的设计与实现[J].压电与声光,2016,38(2):189-191.
[14]蔡敏,刘海威,张云.基于HMC703LP4E的宽带步进频率源设计与实现[J].电子技术,2015(10):19-22.
[15]梁孝彬,石玉,王轩.基于DDS技术L波段小步进低相噪频率源设计与实现[J].电子元件与材料,2015,34(5):54-57.
[16]盛伟新,裴泽.HF频段超低相噪频率合成器设计[J].通信对抗,2015,34(3):43-45.
[17]樊战友,樊西青,张首刚.基于AD9956的任意频率合成器研制[J].时间频率学报,2010,33(2):108-114.
[18]廉吉庆,陈大勇,瞿洁.电荷泵锁相环环路滤波器的设计与优化[J].时间频率学报,2015,38(1):38-43.
[19]PEREGRINE SEMICONDUCTOR Inc.PE33241Datasheet[EB/OL].(2010-10-12)[2018-04-16].http.pesmi.com/products/pe33241.pdf.
[20]杨宁,邱琪,苏君.一种基于倍频的微波频率源设计[J].电子元件与材料,2015,34(4):55-58.
[21]Analog Devices Inc.AD9910Datasheet[EB/OL].(2007-06-20)[2018-04-16].http.analog.com/products/ad9910.pdf.