Saiwai Wong

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A compact reflection-type phaser composed of quarter-wavelength transmission line resonators interconnected by alternating K- and J-inverters is proposed. A design method is also presented. To validate this method, a fourth-order example is designed and fabricated. The proposed phaser is shown to exhibit the benefits of smaller size, easier fabrication and(More)
In this letter, a quad-mode single band bandpass filter and a dual-mode dualband bandpass filter are designed and fabricated by the same structure (two coupled dual-mode loop resonators), which consist of an outer loop resonator with square-patch perturbation at the corner and a inner loop resonator with corner-cut perturbation at the corner. Four(More)
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