Title :
Constant transconductance CMOS amplifier input stage with rail-to-rail input common mode voltage range
Author_Institution :
AT&T Bell Labs., Murray Hill, NJ, USA
fDate :
5/1/1995 12:00:00 AM
Abstract :
A novel CMOS amplifier input stage with rail-to-rail input common mode voltage range is described. The circuit uses a simple adaptive biasing scheme to provide a constant transconductance over the entire range, facilitating the optimization of the frequency response of the amplifier
Keywords :
CMOS analogue integrated circuits; frequency response; operational amplifiers; adaptive biasing scheme; amplifier input stage; constant transconductance CMOS amplifier; frequency response; operational amplifiers; rail-to-rail input common mode voltage range; voltage followers; Circuits; Filters; Minimization; Radio access networks; Rail to rail amplifiers; Rail to rail inputs; Signal processing; Speech processing; Transconductance; Voltage;
Journal_Title :
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
