Lag-lead Compensator Using Operational Amplifiers

Lag-lead compensator using operational amplifiers

Fig: 1Lag-lead compensator

Figure 7-18 shows an electronic lag-lead compensator using operational amplifiers. The transfer unction for this compensator may be obtained as follows: The complex impedance Z₁ is given by

Thus the transfer function of the compensator shown in Figure 1 is

Then Equation above becomes