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subthreshold circuits (Read 2825 times)

Newbie Guest	subthreshold circuits Sep 28^th, 2005, 2:10am Hi all, Does anyone know if there are any material on designing rf circuits in subthreshold conditions? Tried to simulate some circuits with low Vgate, got horrible results. Not sure if it's due to model file or circuit topology? Thanks.
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nano_RF

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madison

Re: subthreshold circuits
Reply #1 - Sep 29^th, 2005, 4:03pm

Hello,

Subthreshold circuits are usually slower. People generally use these circuits in low power, low speed design such as in Watch circuit.

So I think you will find very few RF circuits in subthreshold region(I am aware of one subthreshold mixer design). Can'nt really guide you where to find paper or books on it. But they are really slow and tht's why people dont use in that region.

--Vikas

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Paul Community Fellow Offline Posts: 351 Switzerland	Re: subthreshold circuits Reply #2 - Sep 29^th, 2005, 7:29pm The following paper may answer some of your questions. Tradeoffs and design of an ultra low power UHF transceiver integrated in a standard digital CMOS process Porret, A.-S.; Melly, T.; Vittoz, E.A.; Enz, C.C.; Proceedings of the 2000 International Symposium on Low Power Electronics and Design, 2000. ISLPED '00. Paul
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