Abstract
Integrator is an Op-Amp circuit application which does the mathematical
operation of integration, i.e. the output voltage is proportional to the integral of i
nput
voltage. The stability of Op-Amp circuit is analyzed by Gain and Phase Margin curves. This
paper also discusses the power consumption of Op-Amp as well as Integrator analog circuit.
The circuits are simulated and analyzed at 180nm standard CMOS process. The Gain-
Bandwidth product of Operational Amplifier is analyzed at different bias voltages. The
power of Integrator is 7.844mW which is evaluated by using the Op-Amp as the lower block
of the Integrator. The Unity Gain Bandwidth of Operational Amplifier is 15 MHz at 0.7V
biasing voltage and 21 MHz at 0.4V biasing voltage with power consumption of 7.158mW
and 6.998mW, respectively
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