Compensating Network in Op Amp

Compensating Network in Op Amp: In op-amps the variations in gain and phase shift with respect to frequency are due to the internal capacitors and stray capacitances, which are due…

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Double Differentiation – Derivation

Double Differentiation - Derivation: Two R-C coupling networks in cascade separated by an ampli­fier A is shown in Fig. 29.36 (a). The amplifier A is to operate as a linear…

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Colpitts Oscillator using Transistor Circuit

Colpitts Oscillator using Transistor Circuit: The Colpitts oscillator circuit is a superb circuit and is widely used in commercial signal generators up to 100 MHz. The basic Colpitts Oscillator using…

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Thermistor Operation

Thermistor Operation: The word thermistor is a combination of thermal and resistor. A thermistor is a resistor with definite thermal characteristics. Most thermistors have a negative temperature coefficient (NTC), but…

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