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…
Op Amp Circuit Bandwidth and Slew Rate Test: Low Cutoff Frequency - Op Amp Circuit Bandwidth and Slew Rate Test are direct-coupled internally, so where they are employed in direct-coupled…
Frequency Compensation Methods: Phase-Lag and Phase-Lead Compensation - Lag compensation and lead compensation are two Frequency Compensation Methods often employed to stabilize op-amp circuits. The phase-lag network in Fig. 15-7(a)…
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…
Voltage Level Detectors: Voltage Level Detectors - Operational amplifiers are often used in circuits in which the output is switched between the positive and negative saturation voltages, +Vo(sat) and -+Vo(sat). The…
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,…
Emitter Current Feedback Circuit: Emitter Current Feedback Circuit is produced by connecting an unbypassed resistor in series with the emitter terminal of a transistor, as shown in Fig. 13-24(a). The…