Varactor Controlled Gunn Oscillator at W-Band |
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Authors: | Dilip Kumar S S Sarin |
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Affiliation: | 1. D.E.A.L. Dehradun, India
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Abstract: | This paper describes the experimental circuit and measured performance of varactor tuned Gunn oscillator at W-band. The power output of 12.5 dBm has been achieved when packaged GaAs Gunn diode is used. Linear frequency excursion of 150 MHz with power variation of 1 dB has been observed when varactor was given reverse bias from 0 to 20 volts. GaAs hyperabrupt varactor is used in parallel to gunn diode at a distance of odd multiple of λg/2 in waveguide channel. |
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