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A frequency synthesizer for UWB transceiver in 0.13μm CMOS technology

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8 Author(s)
Jung-Eun Lee ; Samsung Adv. Inst. of Technol., Yong-In, South Korea ; Eun-Chul Park ; Choong-Yul Cha ; Hyun-Su Chae
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A 3 to 5GHz fast hopping frequency synthesizer for multi-band OFDM UWB applications is designed using 0.13μm CMOS technology. The frequency synthesizer operates in the "Mode 1" bands (centered at 3432MHz 3960MHz, and 4488MHz). Single-sideband mixer up converts or down-converts the 528MHz quadrature signals of ring VCO mixing 3960MHz LC VCO signals. The sideband suppression is less than -40dBc for 3432MHs and -32dBc for 4488MHz and band switching time from 4488MHz to 3432MHz is measured about 1.5ns. Phase noise of the LC VCO and the ring VCO is about -115dBc/Hz and 93dBc/Hz at 1MHz offset frequency, respectively. The total power consumption of the proposed frequency synthesizer is about 62mW with a 1.5V supply voltage.

Published in:

Silicon Monolithic Integrated Circuits in RF Systems, 2006. Digest of Papers. 2006 Topical Meeting on

Date of Conference:

18-20 Jan. 2006

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