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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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