• The Journal of Korean Institute of Electromagnetic Engineering and Science
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• v.16 no.1 s.92
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• pp.92-101
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• 2005

In this paper, the Gunn diode mount is experimentally designed for use in a W-band waveguide voltage controlled oscillator(VCO). The role of the Gunn diode mount is to match the low impedance of the Gunn diode to the high impedance of waveguide. Computer simulations of VCO characteristics such as center frequency, frequency tuning range, and output power are carried out for various values of disc diameter, disc height, post diameter, and utilized in the experimental optimization of the Gunn diode mount. The designed VCO shows excellent characteristics; 93.9 GHz center fiequency, 600 MHz frequency tuning range with $2{\%}$ linearity, 16 dBm output power.