Op Amp Comparator Circuit: Op Amp Comparator Circuit - In the opamp applications discussed so far, the amplifiers use negative feedback. Under normal conditions, when negative feedback is used in…
Microprocessor Based Digital Relay: With the fast development in large scale integrated (LSI) technology, sophisticated and fast microprocessors are now available. With the rapid growth of modern complex large power…
Operational Amplifiers Interview Questions and Answers: 1. What is an op-amp? Ans. The name operational amplifier stems from its original use for mathematical operations (such as addition, subtraction, multiplication, differentiation and…
Feedback Amplifier - Block Diagram, Definition, Operation and Types: Figure 19.7 represents the block diagram of an Feedback Amplifier. The output quantity (either voltage or current) is sampled by means…
Class D Power Amplifiers - Circuit Diagram, Operation and Applications: Historically, audio amplifiers have been configured as class A, class B or class AB and the art of design is…
What is Comparator in Electronics? - Classification and Applications A circuit used to mark the instant when an arbitrary waveform attains some particular reference level is called a comparator. The…
Op Amp Regulators: The Op Amp Regulators which includes Op-Amp Series Voltage Regulator Circuit, Current Limiting circuit, Foldback Limiting and Op-Amp Shunt Voltage Regulator Circuit. Let us see one by…
Comparators in Power System Articles: Static Amplitude Comparator: If the two input signals are S1 and S2 the amplitude comparator gives positive (yes) output only if S2/S1 ≤ K (Fig.…