The analysis of the integrator circuit is shown in figure 4. This means that the voltage of the non-inverting terminal is zero volts. The non-inverting terminal of the op-amp is connected to the ground. The input V i is applied through inductor L at the inverting terminal. Inductor (L), resistor (R) and op-amp are used in the integrator circuit as shown in figure 3. 3 Integrator circuit using inductor and op-amp Integrator circuit using inductor and op-amp Fig. Note: The negative sign in the output signifies that there is a 180° phase difference between output and the applied input. The voltage across capacitor (V c) is given as Let current I flows through the resistor R. The currents entering both terminals of the op-amp are zero since the op-amp is ideal. Since the op-amp is ideal and negative feedback is present, the voltage of the inverting terminal (V −) is equal to the voltage of the non-inverting terminal (V + = 0V), according to the virtual short concept. The analysis of the integrator circuit is shown in figure 2. The input V i is applied through resistor R at the inverting terminal. 1 Integrator circuit using a capacitor and op-ampĬapacitor (C), resistor (R) and op-amp are used in the integrator circuit as shown in figure 1. Integrator circuit using capacitor and op-amp Fig.
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