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## 留言板

Research and development of continous wave 100 kW absorption harmonicfilter in X-band

## Research and development of continous wave 100 kW absorption harmonicfilter in X-band

Liu Hai-Xu, Hou Man-Hong, Li Xin-Sheng
• #### Abstract

A gradient leaky-wall waveguide loaded absorbing load filter structure is proposed, which is designed for harmonic suppression in super-high power transmitter of deep-space probe. The attenuation loss characteristics of the filter is analyzed according to the equivalent circuit method, and the massive structure is simulated by the electromagnetic field simulation software. The filter sample which includes one main waveguide, 288 deputy waveguides and 288 absorb loads is processed following the simulating and designing sizes. In order to prevent microwave from leaking and keep good air tightness under the condition of high power, all the components of the filter will be welded together by means of vacuum welding, and then the sample is cleaned ultrasonically. Finally, the filter sample is tested under small signal and large signal separately. According to our test results, the pass band max insertion loss of the filter is 0.3 dB, the min suppression of second harmonic is 75 dB, the min suppression of third harmonic is 50 dB, and the min suppression of fourth harmonic is 35 dB. The measured results show that they are almost the same as the simulation results, and consistent completely with the anticipated. We further conduct the high power experiment on the filter under a large signal of 100 kW, showing that the continuous wave power capacity of the filter can reach up to 100 kW through the power resistance test with the liquid-cooled system. All the test data show that the study and development are very successful. At present, the filer has been applied to a type of ground high power transmitter, and its performances and indicators behave well.

#### Authors and contacts

###### Corresponding author: Liu Hai-Xu, liuhaixu05@163.com
• Funds: Project supported by the National Defense Pre-Research Foundation of China (Grant No. 9140A24070815DZ37376).

#### References

 [1] Jason C, Crusan D, Craig N B 2017 IEEE Aerospace Conference Big Sky, USA, March 4-11, 2017 p1012 [2] Rojina A, John N, Lei C 2017 IEEE Global Communication Conference Singapore, Dec 4-8, 2017 p22 [3] Chai L, Xu X L 2010 Telecommun. Engineer. 50 6 (in Chinese) [柴霖, 许秀玲 2010 电讯技术 50 6] [4] Dong G L, Li G M, Lei L 2016 China Deep Space Network:System Design and Key Technologies-S/X-band Deep Space TT (Vol. 1) (Beijing:Tsinghua University Press) pp211-225 (in Chinese) [董光亮, 李国民, 雷厉等 2016 中国深空网:系统设计与关键技术-S/X双频段深空测控通信系统(上) (北京:清华大学出版社) 第211225页] [5] Dainelli V, Serrno F, Tomasi L 2009 International Vacuum Electronics Conference Rome, Italy, April 28-30, 2009 p350 [6] Rolf M, Manfred W 2004 IEEE Aerospace Conference Proceedings Big Sky, USA, March 6-13, 2004 p1124 [7] David L, Yakov V, Bruce C 2001 IEEE Aerospace Conference Proceedings Big Sky, USA, March 10-17, 2001 p1526 [8] Daniel J H, Behrouz K, John B S 2010 Antennas Propagation Society International Symposium Toronto, Canada, July 11-17, 2010 p578 [9] Hou M H, Guo Z K 2015 Electron. Sci. Tech. 28 116 (in Chinese) [侯满宏, 郭忠凯 2015 电子科技 28 116] [10] Guo Z K, Hou M H 2015 Electron. Sci. Tech. 28 185 (in Chinese) [郭忠凯, 侯满宏 2015 电子科技 28 185] [11] Zhang H W, Liu M, Li X S 2014 J. Aircraft Measur. Control 33 31 (in Chinese) [张宏伟, 刘敏, 李新胜 2014 飞行器测控学报 33 31] [12] Han L H, Yu H 2016 Fire Control Radar Technology 45 56 (in Chinese) [韩来辉, 余海 2016 火控雷达技术 45 56] [13] Gan B B, Wu W C 1973 The Structure and Design of Modern Microwave Filter (Ⅱ) (Beijing:Science and Technology Press) pp312-319 (in Chinese) [甘本袯, 吴万春 1973 现代微波滤波器的结构与设计(下册) (北京:科学出版社) 第312319页] [14] Xu J 2014 Commun. Countermeas. 33 61 (in Chinese)[徐健 2014 通信对抗 33 61] [15] Li F J, Du L M 2012 Shipboard Electronic Countermeasure 35 78 (in Chinese) [李福剑, 杜仑铭 2012 舰船电子对抗 35 78] [16] Dai X W, Qian J 2017 J. Microwaves 33 54 (in Chinese)[戴小伟, 钱捷 2017 微波学报 33 54] [17] Zhao P 2015 M. S. Dissertation (Chengdu:University of Electronic Science and Technology of China (in Chinese)[赵鹏 2015 硕士学位论文 (成都:电子科技大学) ] [18] Guo L Q, Jiao Y C, Tang J M 2004 Chin. J. Sci. Instrum. 25 30 (in Chinese) [郭利强, 焦永昌, 唐家明 2004仪器仪表学报 25 30] [19] Cristal E G 1963 IEEE Trans. MTT 11 186 [20] Zhang Y J, Wang X L, Li L 2007 Radar Sci. Technol. 5 394 (in Chinese) [张轶江, 王小陆, 李磊 2007 雷达科学与技术 5 394]

#### Cited By

•  [1] Jason C, Crusan D, Craig N B 2017 IEEE Aerospace Conference Big Sky, USA, March 4-11, 2017 p1012 [2] Rojina A, John N, Lei C 2017 IEEE Global Communication Conference Singapore, Dec 4-8, 2017 p22 [3] Chai L, Xu X L 2010 Telecommun. Engineer. 50 6 (in Chinese) [柴霖, 许秀玲 2010 电讯技术 50 6] [4] Dong G L, Li G M, Lei L 2016 China Deep Space Network:System Design and Key Technologies-S/X-band Deep Space TT (Vol. 1) (Beijing:Tsinghua University Press) pp211-225 (in Chinese) [董光亮, 李国民, 雷厉等 2016 中国深空网:系统设计与关键技术-S/X双频段深空测控通信系统(上) (北京:清华大学出版社) 第211225页] [5] Dainelli V, Serrno F, Tomasi L 2009 International Vacuum Electronics Conference Rome, Italy, April 28-30, 2009 p350 [6] Rolf M, Manfred W 2004 IEEE Aerospace Conference Proceedings Big Sky, USA, March 6-13, 2004 p1124 [7] David L, Yakov V, Bruce C 2001 IEEE Aerospace Conference Proceedings Big Sky, USA, March 10-17, 2001 p1526 [8] Daniel J H, Behrouz K, John B S 2010 Antennas Propagation Society International Symposium Toronto, Canada, July 11-17, 2010 p578 [9] Hou M H, Guo Z K 2015 Electron. Sci. Tech. 28 116 (in Chinese) [侯满宏, 郭忠凯 2015 电子科技 28 116] [10] Guo Z K, Hou M H 2015 Electron. Sci. Tech. 28 185 (in Chinese) [郭忠凯, 侯满宏 2015 电子科技 28 185] [11] Zhang H W, Liu M, Li X S 2014 J. Aircraft Measur. Control 33 31 (in Chinese) [张宏伟, 刘敏, 李新胜 2014 飞行器测控学报 33 31] [12] Han L H, Yu H 2016 Fire Control Radar Technology 45 56 (in Chinese) [韩来辉, 余海 2016 火控雷达技术 45 56] [13] Gan B B, Wu W C 1973 The Structure and Design of Modern Microwave Filter (Ⅱ) (Beijing:Science and Technology Press) pp312-319 (in Chinese) [甘本袯, 吴万春 1973 现代微波滤波器的结构与设计(下册) (北京:科学出版社) 第312319页] [14] Xu J 2014 Commun. Countermeas. 33 61 (in Chinese)[徐健 2014 通信对抗 33 61] [15] Li F J, Du L M 2012 Shipboard Electronic Countermeasure 35 78 (in Chinese) [李福剑, 杜仑铭 2012 舰船电子对抗 35 78] [16] Dai X W, Qian J 2017 J. Microwaves 33 54 (in Chinese)[戴小伟, 钱捷 2017 微波学报 33 54] [17] Zhao P 2015 M. S. Dissertation (Chengdu:University of Electronic Science and Technology of China (in Chinese)[赵鹏 2015 硕士学位论文 (成都:电子科技大学) ] [18] Guo L Q, Jiao Y C, Tang J M 2004 Chin. J. Sci. Instrum. 25 30 (in Chinese) [郭利强, 焦永昌, 唐家明 2004仪器仪表学报 25 30] [19] Cristal E G 1963 IEEE Trans. MTT 11 186 [20] Zhang Y J, Wang X L, Li L 2007 Radar Sci. Technol. 5 394 (in Chinese) [张轶江, 王小陆, 李磊 2007 雷达科学与技术 5 394]
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•  Citation:
##### Metrics
• Abstract views:  75
• Cited By: 0
##### Publishing process
• Received Date:  30 March 2018
• Accepted Date:  26 June 2018
• Published Online:  05 October 2018

## Research and development of continous wave 100 kW absorption harmonicfilter in X-band

###### Corresponding author: Liu Hai-Xu, liuhaixu05@163.com;
• 1. The 27 th Institute of CETC, Zhengzhou 450047, China
Fund Project:  Project supported by the National Defense Pre-Research Foundation of China (Grant No. 9140A24070815DZ37376).

Abstract: A gradient leaky-wall waveguide loaded absorbing load filter structure is proposed, which is designed for harmonic suppression in super-high power transmitter of deep-space probe. The attenuation loss characteristics of the filter is analyzed according to the equivalent circuit method, and the massive structure is simulated by the electromagnetic field simulation software. The filter sample which includes one main waveguide, 288 deputy waveguides and 288 absorb loads is processed following the simulating and designing sizes. In order to prevent microwave from leaking and keep good air tightness under the condition of high power, all the components of the filter will be welded together by means of vacuum welding, and then the sample is cleaned ultrasonically. Finally, the filter sample is tested under small signal and large signal separately. According to our test results, the pass band max insertion loss of the filter is 0.3 dB, the min suppression of second harmonic is 75 dB, the min suppression of third harmonic is 50 dB, and the min suppression of fourth harmonic is 35 dB. The measured results show that they are almost the same as the simulation results, and consistent completely with the anticipated. We further conduct the high power experiment on the filter under a large signal of 100 kW, showing that the continuous wave power capacity of the filter can reach up to 100 kW through the power resistance test with the liquid-cooled system. All the test data show that the study and development are very successful. At present, the filer has been applied to a type of ground high power transmitter, and its performances and indicators behave well.

Reference (20)

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