The maximum power efficiency of an am modulator is
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Explanation:
Efficiency of modulation is given by
=
ௌ
+ ௌ
=
ʹ
ʹ
⁄
+
ʹ
ʹ
⁄
=
ʹ
ʹ + ʹ
μ=1, the optimum value
=
ͳ
ͳ + ʹ =
ͳ
͵
× ͳͲͲ = ͵͵%
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