Mismatched Amplifier An amplifier has an input and output impedance of 50 . When measured in a 50 system, the amplifier exhibits a power gain of 15 dB. If the amplifier is connected into a 30 system, what is the power gain?
Cascaded Amplifiers Three cascaded amplifier have power gains of 10, 15, and 20 dB. What is the overall power gain? What is the overall voltage gain?
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