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Article
Integrated image-line steerable active antennas
This paper reports a varactor-tuned Gunn oscillator constructed in an image-line circuit and integrated with a grating antenna. The combined circuit exhibited a 2 percent electronic tuning range corresponding ...
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Article
Analysis and modeling of a high-temperature superconducting floating resonant strip in waveguide
A two-gap floating resonant strip is used for characterization of the high-temperature superconductor, YBa2Cu3O7−δ. The method has the advantages of simplicity, no electrical contact, operation at various resonan...
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Article
System feasibility study of a microwave/millimeter-wave radar for space debris tracking
A 35 GHz millimeter-wave radar system has been studied for space debris tracking. The objective is to track the particles ranging in size from 4 mm to 80 mm up to a range of 25 km. The system requires various ...
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Article
A high efficiency 46 to 92 GHz all microstrip frequency doubler
Using packaged GaAs varactor diodes, a high efficiency 46 to 92 GHz frequency doubler has been developed. Microstrip circuits have been used to match the input and output impedances presented by the diode. A c...
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Article
On the design and performance of printed-circuit filters and diplexers for millimeter-wave integrated circuits
This paper describes the design and performance of various millimeter-wave printed-circuit filters and diplexers. These components include microstrip/suspended stripline and finline lowpass filters, capacitive...
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Article
Millimeter-wave microstrip solid-state sources and amplifiers
The past decade has seen increased applications for millimeter waves both in commercial and defense activities. Conventional millimeter-wave solid-satate sources were built in waveguide, suspended stripline, a...
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Article
Design and performance of millimeter-wave end-coupled bandpass filters
The design and performance of millimeter-wave microstrip/suspended-stripline end-coupled bandpass filters are presented. Filters in Ka-band (26.5 to 40 GHz) and W-band (75 to 110 GHz) using suspended-stripline...