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A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter?...

A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter? How much modulating signal power is needed to produce 100 percent modulation?
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Electrical Engineering - 8209435.doc

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general value of beta = 50
hence Ib = Ic/ 50 = 600/50 = 12 m A
SO power at input = V I = 40 V * 12 m A
POWER = 0.480 watt...

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