年度	2011
全部作者	张志扬(109.2退休)
论文名称	C. H. Chi and C. Y. Chang, “A wideband CPS bandpass filter with ultra-wide upper stopband using stepped-impedance rat-race hybrid couplers,” in IEEE MTT-S Int. Symposium Digest, pp735-738, June 2007.
发表日期	2011-08-03