4Kosta Y P, Kosta S. Realization of a microwave interdigital filter using electrically conducting liquids [ C ] J/ Microwave Conference,2007. 2007 : 11 - 14.
5Sinan Kurudere, Vakur B Erturk. Novel SIW based interdigital bandpass filter with harmonic suppression [ C ] /// Microwave Conference Proceedings ( APMC), 2014:845 - 848.
6Tian Ye, Yan Bo, Zhou Shuiping. A compacet folded interdigital bandpass filter using LTCC technology [ C ] // The 7nd International Conference on Material and Manufactruing Technology (MMT), 2010:717-710.
7Fletcher R C. A broad-band interdigital circuit for use in traveling-wave-type amplifiers [ C ]// Proceedings of the IRE1952. 1952:951 - 958.
8Oviedo Vela G A, Miller Mark S, Grow R W. Terahertz backward-wave oscillator slow-wave circuits[ C ]// IVEC2010, 2010:179 - 180.
9Carol Kory, Law rence Ives, John Booske, et al. Novel TWT interaction circuits for high frequency application [ C ] //IVEC, 2004 : 51 -52.
10Dayton James A. 300 GHz BWO with Bi. planar Inter-digital circuit [ C ]// IVEC, 2005 : 920 - 923.