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Leak type bias is used in plate modulated amplifier to ________(a) increase bandwidth(b) decrease bandwidth(c) prevent tuning(d) prevent excessive grid currentThis question was posed to me by my school teacher while I was bunking the class.I'm obligated to ask this question of Singletone SSB Modulation topic in section SSB Modulation of Analog Communications

Answer» CORRECT option is (d) prevent excessive grid current

Easy explanation: Leak bias is a type of bias in which the input signal DRAWS grid current from a circuit made of resistors and capacitors. Thus, Leak bias is mainly used to prevent excessive grid current in PLATE modulated AMPLIFIERS.


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