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A 4.4mW 76dB complex /spl Sigma//spl Delta/ ADC for Bluetooth receivers

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1 Author(s)
Philips, K. ; Philips Res. Labs., Eindhoven, Netherlands

A /spl Sigma//spl Delta/ ADC with a fifth-order continuous-time complex loop filter achieves 76dB of DNR in a 1MHz channel. The input impedance is less than 400/spl Omega/ and allows operation with a current-mode RF front-end. Image rejection is over 50dB, and IM3 distortion is below -82dBc. The circuit dissipates 4.4mW and is implemented in 0.18/spl mu/m CMOS.

Published in:

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

Date of Conference:

13-13 Feb. 2003