1. P. F. Goldsmith, and R. L. Plambeck, “A 230-GHz radiometer system employing a second-harmonic mixer. IEEE Trans. Microwave Theor. Tech 24, 859–861 (1976)Nov.
2. R. Kawasaki, and M. Akaike, “A broad-band second-harmonic mixer covering 76-106 GHz. IEEE Trans. Microwave Theor. Tech 26, 425–427 (1978)June.
3. R. Katz, S. Mass, A. Sharma, and D. Smith, “A novel monolithic HEMT harmonic mixer at Q-band,” in IEEE Microwave and Millimeter-Wave monolithic Circuits Symp. Dig., May 1995. pp. 39–42.
4. S. Raman, F. Rucky, and G. M. Rebeiz, “A high-performance W-band uniplanar subharmonic mixer. IEEE Trans. Microwave Theor. Tech 45, 955–962 (1996)June.
5. Won-Young Uhm, Woo-Suk Sul, Hyo-Jong Han, Sung-Chan Kim, Han-Sin Lee, Dan An, Sam-Dong Kim, Dong-Hoon Shin, Hyung-Moo Park, and Jin-Koa Rhee, “A high performance V-band monolithic quadruple subharmonic mixer,” in IEEE MTT-S Int. Microwave Symp. Dig., June 2003, pp. 1319–1322.