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  1. No Access

    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...

    Cam Nguyen, Kai Chang in International Journal of Infrared and Millimeter Waves (1985)

  2. No Access

    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...

    Kai Chang in International Journal of Infrared and Millimeter Waves (1986)

  3. No Access

    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...

    Cam Nguyen, Kai Chang in International Journal of Infrared and Millimeter Waves (1986)

  4. No Access

    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...

    Raghbir S. Tahim, Kai Chang in International Journal of Infrared and Millimeter Waves (1988)

  5. No Access

    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 ...

    Kai Chang, Michael A. Pollock… in International Journal of Infrared and Mill… (1989)

  6. No Access

    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...

    Michael K. Skrehot, Kai Chang in International Journal of Infrared and Millimeter Waves (1990)

  7. No Access

    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 ...

    Alex M. Kirk, Kai Chang in International Journal of Infrared and Millimeter Waves (1992)