All Stories

  1. Compact High-Isolation Planar Eight-Way Power Divider Using Zero-Phase Isolation Circuit

    Article • IET Microwaves Antennas & Propagation, March 2020, the Institution of Engineering and Technology (the IET)

    RICHARD PATIENCE SHEMA

  2. Tunable Balanced Bandpass Filter with Constant Absolute Bandwidth and High Common Mode Suppression

    Article • IET Microwaves Antennas & Propagation, September 2019, the Institution of Engineering and Technology (the IET)

    RICHARD PATIENCE SHEMA

  3. Power divider.

    Article • IET Microwaves Antennas & Propagation, August 2019, the Institution of Engineering and Technology (the IET)

    RICHARD PATIENCE SHEMA, Jiachen Yao

  4. Wide-frequency tunable bandpass filter with high-frequency selectivity

    Article • Electromagnetics, August 2019, Taylor & Francis

    RICHARD PATIENCE SHEMA

  5. Compact bandpass-filtering response power divider with high-frequency selectivity and high isolation

    Article • International Journal of Microwave and Wireless Technologies, March 2019, Cambridge University Press

    RICHARD PATIENCE SHEMA

  6. Compact High-Isolation Multiplexer With Wide Stopband Using Spiral Defected Ground Resonator

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    RICHARD PATIENCE SHEMA

  7. Compact Wide-Frequency Tunable Filter With Switchable Bandpass and Bandstop Frequency Response

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    RICHARD PATIENCE SHEMA

  8. High-Isolation Diplexer With High Frequency Selectivity Using Substrate Integrate Waveguide Dual-Mode Resonator

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    RICHARD PATIENCE SHEMA