[1] Chen Z, Xu J. Design of a W-band Frequency Tripler for Broadband Operation Based on a Modified Equivalent Circuit Model of GaAs Schottky Varistor Diode ［J］. Journal of Infrared, Millimeter, and Terahertz Waves, 2013, 34(1): 28-41.

[3] Palacios I, Ederra I, Teniente J, et al. Techniques for accurately manufacture a sub-mm wavelength mixer to detect sub-mm wave radiation［C］. Antennas and Propagation(EuCAP), 2010 Proceedings of the Fourth European Conference on. IEEE, 2010: 1-3.

[5] Krozer V. Design of a planar Schottky diode based 200GHz frequency multiplier［C］. Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006. IRMMW-THz 2006. Joint 31st International Conference on. IEEE, 2006: 311-311.

[7] Xiang B. Research on Fourth Harmonic Mixer at W Band in the Imaging System ［J］. Journal of The Korea Electromagnetic Engineering Society, 2010, 10(4): 316-321.

[9] Liang M, Tang X, Wu T. Design and analysis of the eighth sub-harmonic mixers at W-band［C］. Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications, 2007 International Symposium on. IEEE, 2007: 389-391.

[10] Lou Z, Shi S C. A W-band eighth-order Schottky harmonic mixer［C］. Microwave Conference, 2009. APMC 2009. Asia Pacific. IEEE, 2009: 610-613.