Microstrip angular log‐periodic slow wave structure on quartz substrate with coaxial input/output coupler. Issue 14 (13th June 2018)

• Record Type: Journal Article
• Authors: Li, Xinyi; He, Tenglong; Wang, Hexin; Chen, Zijun; Wang, Zhanliang; Gao, Zhiqiang; Duan, Zhaoyun; Wei, Yanyu; Gong, Yubin
• Is Part Of: Journal of engineering. Volume 2018:Issue 14(2018)
• Page Start: 692
• Page End: 697
• Publication Date: 2018-06-13
• Subjects: microstrip lines -- slow wave structures -- microstrip couplers -- dispersion (wave) -- millimetre wave tubes; SWS -- impedance microstrip line -- quartz substrate -- microstrip angular log‐periodic meander line slow wave structure -- structure parameters -- beam‐wave interaction -- coaxial input‐output coupler -- transmission characteristics -- Ka band -- tapered impedance microstrip line -- dispersion characteristics -- power 11.4 W -- frequency 32.0 GHz -- efficiency 3.3 percent; Engineering -- Periodicals; Engineering; Electronic journals; Periodicals; 620.005
• DOI: 10.1049/joe.2018.0095
• Languages: English
• ISSNs: 2051-3305

Abstract

Abstract : The microstrip angular log‐periodic meander line slow wave structure (SWS) on quartz substrate with coaxial input/output coupler is studied. The effects of different structure parameters on transmission characteristics of the 25 periods SWS during Ka band are discussed in detail. The SWS with the total length of ∼6.5 mm, add coaxial input/output coupler and tapered impedance microstrip line to form an entire assembly. The testing result is accordant with that of simulation. The dispersion characteristics of the SWS were obtained to determine the work voltage. The beam‐wave interaction results show that the output power is 11.4 W at the frequency of 32 GHz, with the electron efficiency of 3.3%.