Question
Download Solution PDFPositive feedback is used in
This question was previously asked in
ISRO URSC Technical Assistant (Electronics) Official Paper (Held On: 03 Nov, 2022 Shift 2)
Answer (Detailed Solution Below)
Option 1 : Oscillators
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Download Solution PDFExplanation:
- An amplifier can be converted into an oscillator by doing some changes in the amplifier circuit as:
- Connect the output of the amplifier to the input by a positive feedback circuit.
- The phase-shifted 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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