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A simple low phase noise and wide tuning range voltage-controlled oscillator (VCO) is designed for 10 GHz band application. The proposed oscillator adopts a complementary cross-coupled pair LC-VCO circuit with only one symmetrical inductor and implemented in TSMC 0.18-um CMOS process. A 10 GHz broadband CMOS double-balance mixer for communication receiver is presented. The broadband mixer is fabricated...
A high performance current-reused CMOS LC-voltage-controlled oscillator (LC-VCO) for WiMAX communication and internet application is fabricated in TSMC 0.18-µm CMOS process. The proposed VCO applies the complementary cross-coupled technique and uses differentially tuned accumulation MOS varactors. Measured results achieve 27.86% frequency tuned range when biased between 0–1.8 V, tunable output frequency...
A fully integrated, 5.6 GHz low-phase noise Colpitts quadrature voltage-controlled oscillator (QVCO) and broadband CMOS double-balance mixer are presented. This QVCO is a complementary cross-coupled voltage-controlled Colpitts oscillator with a 3-bit switched capacitor array parallel to the inductor to form LC resonant tank. Without buffer circuits, measured results achieve a tunable frequency range...
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