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In this paper, a 6-GHz frequency synthesize (FS) for SATA III application by using 0.18-μm CMOS technology is presented. Multi-modulus divider (MMD) is utilized to achieve the function of spreading spectrum of SATA III. The complementary voltage-controlled oscillator (VCO) is adopted for phase noise consideration. In order to reduce the locking time of spreading spectrum, the loop bandwidth is increased...
In this paper, a K-band frequency synthesizer using 0.18-µm CMOS technology is presented. To achieve low-power consumption, a transformer-feedback voltage-controlled oscillator (TF-VCO) with a cascoded current mode logic (CML) frequency divider is proposed. Furthermore, the push-push structure is selected in TF-VCO to overcome the design trade-off between operating frequency and dc power consumption...
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