Multi-Band Frequency Converter.
IIT RESEARCH INST CHICAGO ILL
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The report describes work on a sensitive superheterodyne frequency downconverter to convert six channels in the 18-42 GHz range to the 4-8 GHz range. Accomplishments include The design and fabrication of 26, 30, and 34 GHz Gunn diode oscillators providing 14 dBm output power The design of broadly frequency selective channel dropping couplers which can be fabricated in dielectric image guide The design and fabrication of Schottky-Barrier diode mixer mount with a 6-8 dB conversion loss over the 18-22 GHz band. The design and fabrication of an integrated mixer assembly in metal waveguide which includes both waffle iron and waveguide-below-cutoff filters, a 10 dB LO post-type coupler, and a single ended diode mixer The design and fabrication of a coax to image guide mode converter launcher The evaluation of thin film attenuators to be used with image guide.
- Electrical and Electronic Equipment