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4. Three amplifiers with gains of 15, 22, and 7 are cascaded; the input voltage is 120 µV. What are the overall gain and the output voltages of each stage?​.

Sagot :

Answer:

In case of amplifiers which are cascaded the overall gain becomes the product of gains of all the amplifiers ex: overall gain of amplifiers A,B,C is overall gain= A*B*C In our case it is Av=15*22*7=2310 When the input voltage