A 5V AC-powered CMOS filter-selectivity booster for POTS/ADSL splitter size reduction

Eduard Sackinger, Aner Tennen, Dima Shulman, Barkat Wani, Marta Rambaud, Drahoslav Lim, Fred Larsen, George S. Moschytz

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A 0.5μm CMOS chip contains a 5th-order continuous-time filter, a low output-impedance driver, and an active rectifier. The chip boosts the selectivity of an external passive LC LPF and achieves an ADSL isolation of 70dB at 30kHz, while maintaining a passband flatness of 0.23dB. It consumes 35mW from a 5V supply and reduces the number of transformers and the size of POTS/ADSL splitters.

Original languageEnglish
Title of host publication2006 IEEE International Solid-State Circuits Conference, ISSCC - Digest of Technical Papers
Pages512+511
StatePublished - 2006
Event2006 IEEE International Solid-State Circuits Conference, ISSCC - San Francisco, CA, United States
Duration: 6 Feb 20069 Feb 2006

Publication series

NameDigest of Technical Papers - IEEE International Solid-State Circuits Conference
ISSN (Print)0193-6530

Conference

Conference2006 IEEE International Solid-State Circuits Conference, ISSCC
Country/TerritoryUnited States
CitySan Francisco, CA
Period6/02/069/02/06

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