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2021

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Phase Shift Oscillator Updated
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Phase Shift Oscillator Updated

Phase Shift Oscillator Fig-1 shows the circuit of a phase shift oscillator. It consists of a conventional single transistor amplifier and a ...

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Principle of Phase Shift Oscillators
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Principle of Phase Shift Oscillators

Principle of Phase Shift Oscillators Principle of Phase Shift Oscillators-One desirable point of an oscillator is that it should feed back e...

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Colpitt’s Oscillator(Updated on 2022)
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Colpitt’s Oscillator(Updated on 2022)

Colpitt’s Oscillator Fig. 1 shows a Colpitt’s oscillator. It uses two capacitors and placed across a common inductor L and the centre of the...

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Tuned Collector Oscillator
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Tuned Collector Oscillator

Tuned Collector Oscillator Tuned Collector Oscillator-Fig-1 shows the circuit of tuned collector oscillator. It contains tuned circuit L 1 -...

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Explanation of Barkhausen Criterion
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Explanation of Barkhausen Criterion

Explanation of Barkhausen Criterion Barkhausen criterion is that in order to produce continuous undamped oscillations at the output of an am...

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Essentials of Transistor Oscillator
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Essentials of Transistor Oscillator

Essentials of Transistor Oscillator (Essentials of Transistor Oscillator)Fig-1 shows the block diagram of an oscillator. Its essential compo...

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Positive Feedback Amplifier — Oscillator
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Positive Feedback Amplifier — Oscillator

Positive Feedback Amplifier — Oscillator A transistor amplifier with proper positive feedback can act as an oscillator i.e., it can generate...

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Undamped Oscillations from Tank Circuit
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Undamped Oscillations from Tank Circuit

Undamped Oscillations from Tank Circuit As discussed before, a tank circuit produces damped oscillations. However, in practice, we need con...

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Oscillatory Circuit
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Oscillatory Circuit

Oscillatory Circuit A circuit which produces electrical oscillations of any desired frequency is known as an oscillatory circuit or tank cir...

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Sinusoidal Oscillator
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Sinusoidal Oscillator

Sinusoidal Oscillator An device that generates sinusoidal oscillations of desired frequency is known as a *sinusoidal oscillator. Although w...

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Darlington Amplifier (Updated)
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Darlington Amplifier (Updated)

Darlington Amplifier Sometimes,  this  gain and input impedance of an emitter follower are insufficient  to satisfy the requirement. so asto...

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Air Conditioning System in Aircraft (Update)
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Air Conditioning System in Aircraft (Update)

Air Conditioning System in ultramodern aircraft The air exertion system is supplied by air reused through two packs that regulate tailwind a...

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Emitter Follower
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Emitter Follower

Emitter Follower It is a negative current feedback circuit. The emitter follower is a current amplifier that has no voltage gain. Its most i...

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Principles of Negative Voltage Feedback In Amplifiers Updated-2022
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Principles of Negative Voltage Feedback In Amplifiers Updated-2022

Principles of Negative Voltage Feedback In Amplifiers A feedback amplifier has two parts viz an amplifier and a feedback circuit. The feedba...

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