Fast-switching frequency synthesizer with a discriminator-aided phase detector

Ching-Yuan Yang Ching-Yuan Yang,Shen-Iuan Liu Shen-Iuan Liu

doi:10.1109/4.871321

Fast-switching frequency synthesizer with a discriminator-aided phase detector

Ching-Yuan Yang Ching-Yuan Yang, Shen-Iuan Liu Shen-Iuan Liu

https://doi.org/10.1109/4.871321

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Journal: IEEE Journal of Solid-state Circuits	Publication Date: Oct 1, 2000
Citations: 187

Affiliation: Huafan University, National Taiwan University

#Fast-switching Frequency Synthesizer #Conventional Phase Detector + Show 8 more

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Abstract

A phase-locked loop (PLL) with a fast-locked discriminator-aided phase detector (DAPD) is presented. Compared with the conventional phase detector (PD), the proposed fast-locked PD reduces the PLL pull-in time and enhances the switching speed, while maintaining better noise bandwidth. The synthesizer has been implemented in a 0.35-/spl mu/m CMOS process, and the output phase noise is -99 dBc/Hz at 100-kHz offset. Under the supply voltage of 3.3 V, its power consumption is 120 mW.

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