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Two phase AC Servo Motor

Two phase AC Servo Motor: For a low-power (a few hundred watts) control application, a balanced Two phase AC Servo Motor is ideally suited as it can be driven by…

Three Op Amp Instrumentation Amplifier

Three Op Amp Instrumentation Amplifier | Block Diagram | Advantages | Applications: The commonly used Instrumentation Amplifier circuit is one using three op amps. This Three Op Amp Instrumentation Amplifier…

Need of Instrumentation Amplifier

Need of Instrumentation Amplifier: As we know Instrumentation Amplifier are used to amplify the low level differential signals very precisely, in presence of the large common mode noise and interference…

Parameters of Operational Amplifier

Parameters of Operational Amplifier: Two Important Parameters of Operational Amplifier are the slew rate and the power supply rejection ratio (PSRR). Let us discuss and obtain the expressions for these…

Ideal Operational Amplifier

Ideal Operational Amplifier: The Ideal Operational Amplifier is basically an amplifier which amplifies the difference between the two input signals. In its basic form, the Op Amp is nothing but…

Communication Engineering Interview Questions and Answers

Communication Engineering Interview Questions and Answers: 1. Define Phase Modulation. Ans. In phase modulation, the phase of the carrier varies according to amplitude variations of the modulating signal, The PM…

Switching Circuits Articles

Switching Circuits Articles: What is Switching Circuit? In practice, we often need making (switching on) and breaking (switching off) of an electrical circuit. It is also desirable and sometimes essential…

Sinusoidal Oscillators Articles

Sinusoidal Oscillators Articles: What is Oscillator? – Types of Oscillators: An oscillator is the basic element of all ac signal sources and generates sinusoidal signals of known frequency and amplitude.…