Question
Download Solution PDFPositive feedback is used in ______
This question was previously asked in
IPRC (ISRO) Technician B (Electronics) 2018 Official Paper (Held on 22 April 2018)
Answer (Detailed Solution Below)
Option 1 : Oscillators
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IREL Tradesman Trainee (Electrician): DC Generator Quiz
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Detailed Solution
Download Solution PDFExplanation:
- An amplifier can be converted into an oscillator by doing some change in the amplifier circuit as:
- Connect the output of the amplifier to the input by a positive feedback circuit.
- The phase-shifted the output by 180° and feed this phase shift output to the input via a feedback circuit.
- An arrangement of the RC tuned circuit is connected as a load to the amplifier.
- Oscillator circuit block diagram.
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