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This paper presents a wide-band fractional-N frequency synthesizer for multi-standard cellular and short-range wireless communication receivers. The synthesizer covers the frequency band from 1.8 to 6 GHz and supports the standards of DCS1800, WCDMA, TD-SCDMA, WLAN802.11 a/b/g and Bluetooth. Architecture design and frequency planning are carefully performed to tradeoff wide frequency range and power...
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