A squelch circuit in a TV receiver is used to ?

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Ranjeet

🎓 Tutor III ⭐ 34.60K Points

📊 Communication Engineering

Q. A squelch circuit in a TV receiver is used to ?

(A) Cut off IF when AGC is maximum
(B) Cut off audio amplifier when carrier is absent
(C) Cut off IF when AGC is inoperative
(D) Cut off brightness circuit when AGC is inoperative

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✅ Correct Answer: (B) Cut off audio amplifier when carrier is absent

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