Title :
Current-controlled linear MOS earthed and floating resistors and their application
Author_Institution :
Dept. of Electr. Eng., Swiss Federal Inst. of Technol., Zurich, Switzerland
fDate :
12/1/1990 12:00:00 AM
Abstract :
A current-controlled linear MOS earthed resistor that requires only three transistors is realised by means of a new linearisation technique. A nonlinearity within ±1.5% full scale in the 0-4 V voltage range for a 5 V supply is experimentally achieved with discrete MOS devices. However, much higher linearity can be expected if the ratio of two transistor sizes are chosen exactly, according to the derivation. A floating resistor, derived from the earthed one, is also presented
Keywords :
MOS integrated circuits; active networks; insulated gate field effect transistors; linear integrated circuits; linearisation techniques; resistors; MOS devices; RC active filters; current controlled linear resistors; earthed resistors; floating resistor; linearisation technique; nonlinearity; nonsaturated region;
Journal_Title :
Circuits, Devices and Systems, IEE Proceedings G
