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Industry News

Amplifier Design Using a λ/4 High Impedance Bias Line with a Defected Ground Structure (DGS)

In this article, a new -/4 bias line, combined with a dumbbell shaped defected ground structure (DGS), is proposed to suppress harmonics in power amplifiers. The proposed bias line maintains the required high impedance after the DGS is inserted, while ...

April 26, 2004
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Recently, extensive research efforts on photonic band gap (PBG) structures where periodic patterns are etched on the ground plane of microstrip lines have been conducted for microwave circuit applications. 1–4 The applications of PBG for power amplifiers, filters and mixers have been reported. A defected ground structure (DGS), which...
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