publication . Contribution for newspaper or weekly magazine . 1992

CMOS Current-mode Operational Amplifier

Kaulberg, Thomas;
Open Access English
  • Published: 01 Jan 1992
  • Publisher: IEEE
  • Country: Denmark
Abstract
A fully differential-input differential-output current-mode operational amplifier (COA) is described. The amplifier utilizes three second generation current-conveyors (CCII) as the basic building blocks. It can be configured to provide either a constant gain-bandwidth product in a fully balanced current-mode feedback amplifier or a constant bandwidth in a transimpedance feedback amplifier. The amplifier is found to have a gain bandwidth product of 8 MHz, an offset current of 0.8 ¿A (signal-range ±700¿A) and a (theoretically) unlimited slew-rate. The amplifier is realized in a standard CMOS 2.4¿m process.
Subjects
ACM Computing Classification System: Hardware_INTEGRATEDCIRCUITSHardware_GENERAL
Related Organizations
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Contribution for newspaper or weekly magazine . 1992
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