Abstract
Self-oscillating mixers in both dielectric and waveguide cavities have veen investigated in the 60 GHz frequency range. The deveces consist of negative resistance diodes of GaAs and InP material coupled to waveguide cavities or high resistivity dielectric cavities such as silicon or Al2O3. Experimental measurements show that these devices have a sensitivity in the order of −80 dBm with the intermediate frequency at 60 MHz and an IF bandwidth of 120 MHz. Applications are suggested based on minimum detectable signal and RF power capabilities for systems requiring small size and low cost.
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Dixon, S., Jacobs, H. Millimeter wave self-mixing oscillators. Int J Infrared Milli Waves 2, 347–360 (1981). https://doi.org/10.1007/BF01007039
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DOI: https://doi.org/10.1007/BF01007039