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A 20 GHz bandwidth, 4 b photoconductive-sampling time-interleaved CMOS ADC

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4 Author(s)
L. Y. Nathawad ; Center for Integrated Syst., Stanford Univ., CA, USA ; R. Urata ; B. A. Wooley ; D. A. B. Miller

GaAs photoconductive switches are integrated with two parallel 4 b CMOS ADC channels for time-interleaved sampling of wideband signals. Peak SNDR exceeding 23 dB has been measured for inputs up to 20 GHz. Each channel dissipates 70 mW and occupies an area of 150 /spl mu/m-450 /spl mu/m in a 0.25 /spl mu/m CMOS technology.

Published in:

Solid-State Circuits Conference, 2003. Digest of Technical Papers. ISSCC. 2003 IEEE International

Date of Conference:

13-13 Feb. 2003