Oscillator | Questions & Answers

Q. What is oscillator? Answer. An oscillator may be defined as a circuit which generates a continuous, repeated, alternating waveform without any input. Oscillators basically convert unidirectional current flow from a DC source into an alternating waveform which is of the desired frequency, as decided by its circuit components. Q. Give Barkhausen conditions required in order … Read moreOscillator | Questions & Answers

Instrumentation Amplifier | Advantages & Applications

An Instrumentation amplifier is a kind of differential amplifier with additional input buffer stages. The addition of input buffer stages makes it easy to match (impedance matching) the amplifier with the preceding stage. In other words, we can say that the differential op-amp circuit providing high input impedances with ease of gain adjustment through the variation … Read moreInstrumentation Amplifier | Advantages & Applications

Difference between Amplification & Companding

Amplification It is an operation of an amplifier intended to make a signal stronger by increasing the power of a signal. The amplifier output matches the input signal shape but with a larger amplitude. It may be Linear or nonlinear. Companding It is a technique for compressing and then expanding (or decomposing) an analog or … Read moreDifference between Amplification & Companding

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