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New CMOS current source which shows better resistor variation rejection

IP.com Disclosure Number: IPCOM000035603D
Original Publication Date: 2005-Feb-25
Included in the Prior Art Database: 2005-Feb-25

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Siemens

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Abstract

A current source in CMOS technology provides a constant current ideally independent of other parameters, like CMOS process variation, temperature, power supply voltage or resistor variation. Today current sources suffer from being dependent on these parameters.