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A low-voltage, highly linear voltage-controlled transconductor
2005 (English)In: IEEE transactions on circuits and systems. 2, Analog and digital signal processing (Print), ISSN 1057-7130, E-ISSN 1558-125X, Vol. 52, no 12, 831-835 p.Article in journal (Refereed) Published
Abstract [en]

A low-voltage fully differential, voltage-controlled transconductor is described. The proposed transconductor achieves a wide input/control voltage range, with a highly linear transconductance factor and truly fully differential output currents. The transconductor is used to implement a G(m)-C adaptive forward equalizer (FE) for a 125 Mbps wire line transceiver using digital core transistors with channel length of no more than double the feature size in a typical digital CMOS 180-nm process and supply voltage as low as 1.6 V. The adaptive FE enables IEEE 1394b transceivers to operate over UTP-5 cables for up to 100 m in length. The transconductor stage occupies 1945 mu m(2) and consumes an average power of 418 mu w at 125 Mbps and 1.8-V supply.

Place, publisher, year, edition, pages
2005. Vol. 52, no 12, 831-835 p.
Keyword [en]
CMOS analog integrated circuits, equalizers, filters, transconductors, mos transconductor
Identifiers
URN: urn:nbn:se:kth:diva-15271DOI: 10.1109/tcsii.2005.853511ISI: 000234192900006OAI: oai:DiVA.org:kth-15271DiVA: diva2:333312
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Ismail, Mohammed
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