ChengZQ, CaiY, LiuJ, Zhou Y G, et al. Alowphase noise X-band MMIC VCO using high-lienarity and low noise composite-channel M0.3Ga0.7N-A10.05Ga0.95-GaN HEMTs[J]. IEEE Trans. Microw. Theory Tech. ,2007,49 ( 1 ),23-29.
[4]
Lee Y T, Lim J S, Park J S, et al. A novel phase noise reduction technique in oscillators using defected ground struc-ture [J]. IEEE Microwave and Wireless Components Letters, 2002.12(2): 39-41.
[5]
Jung M S, Park J S, Lim J B, et al. A novel defected ground structure and its application to a microwave oscillator [C]. Munich: 33 ^rd European Microwave Conference,2003, 781-784.
[6]
Ahn D, Park J S, Kim C S, et al. A design of the low pass filter using the novel microstrip defected ground structures [J]. IEEE Trans. Microw. Theory Tech. ,2001,49(1): 86-93.
[7]
Kin C S, Lim J S, Nam S, et al. Equivalent circuit modeling of spiral defected ground structure for microstrip line [J]. Electron. Left. ,2002,38(19):1109-1110.
[8]
Hong J S, Karyamapudi B M. A general circuit model for defected ground structures in planar transmission lines[J]. IEEE Microwave and Wireless Components Letters, 2005,15 (10) :706-708.
