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A 200MHz IF, 11 bit, 4th order band-pass Δ Σ ADC in SiGe

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2 Author(s)
Maurino, R. ; Nortel Networks, Essex, United Kingdom ; Mole, P.

This paper demonstrates the design of an integrated 4thorder bandpass sigma delta converter which is capable of digitising a 200 kHz band at 200 MHz with 11 bit accuracy. The converter has been successfully fabricated in a 50 GHz SiGe bipolar technology and the modulator consumes 21mA at 3 V. The converter is aimed at the digitisation of wireless signals at a high first IF with a wide dynamic range.

Published in:

Solid-State Circuits Conference, 1999. ESSCIRC '99. Proceedings of the 25th European

Date of Conference:

21-23 Sept. 1999