Op Amp Voltage Regulators: Voltage Follower Regulator - Refer once again to the Op Amp Voltage Regulators circuit in Fig. 17-11. The complete error amplifier has two input terminals at…
Improving Regulator Performance: Error Amplifier Gain - The performance of a regulator is dependent on the voltage gain of the error amplifier. A higher gain amplifier gives better line and…
Crystal Equivalent Circuit: Crystal Equivalent Circuit - The output frequency of oscillator circuits is normally not as stable as required for a great many applications. The component values all have…
Oscillator Amplitude Stabilization Circuit: Output Amplitude - For all of the Oscillator Amplitude Stabilization Circuit discussed, the output voltage amplitude is determined by the amplifier maximum output swing. The output…
Colpitts Oscillator using Op Amp: The Colpitts Oscillator using Op Amp circuit show in Fig. 16-4 is similar to the op-amp phase shift oscillator, except that an LC network is…
RC Phase Shift Oscillator Circuit Diagram: Figure 16-1 shows the RC Phase Shift Oscillator Circuit Diagram, which consists of an inverting amplifier and an RC phase-shifting network. The amplifier phase-shifts…
Circuit Stability Precautions: Power Supply Decoupling - Feedback along supply lines is another source of op-amp circuit instability. This can be minimized by connecting 0.01 μF high-frequency capacitors from each…
Load Capacitance Effect: Capacitance connected at the output of an operational amplifier is termed Load Capacitance Effect (CL). Figure 15-20 shows that CLÂ is in series with the op-amp output resistance…