Calculate overall efficiency of transmitter with modulation

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A CB transmitter is rated to supply 4 W of carrier power to a 50 Ohm load while operating from a power supply that provides 13.8 V. The nominal supply current is 1 A without modulation and 1.8 A with 80 % modulation. Calculate the overall efficiency of this transmitter, with and without modulation.

Reference no: EM13254688

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