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…
Stray Capacitance Effects: Stray Capacitance Effects (Cs) at the input terminals of an operational amplifier effectively introduces an additional phase-lag network in the feedback loop, (see Fig. 15-17), thus making…
Schmitt Trigger Circuit Diagram: Inverting Schmitt Trigger - A Schmitt Trigger Circuit Diagram is a fast-operating voltage level detector. When the input voltage arrives at a level determined by the…
Differential Amplifier Circuit Operation: A Differential Amplifier Circuit Operation amplifies the difference between two inputs. The circuit shown in Fig. 14-23 is a combination of inverting and noninverting amplifiers. Resistors…
Non Inverting Amplifier Theory: Direct-Coupled Noninverting Amplifier - The Non Inverting Amplifier Theory circuit in Fig. 14-14 behaves similarly to a voltage follower circuit with one major difference. Instead of…
Voltage Follower Circuit Diagram: Direct-Coupled Voltage Follower - The IC operational amplifier can be employed for an infinite variety of applications. The very simplest application is the direct-coupled Voltage Follower…
Biasing Bipolar Op Amp Circuit: Biasing Bipolar Op Amp Circuit - Like other electronic devices, operational amplifiers must be correctly biased if they are to function properly. As already discussed,…