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clear//
//Variables
Av1 = 10.0 //Voltage gain1
Av2 = 20.0 //Voltage gain2
Av3 = 40.0 //Voltage gain3
//Calculation
Av = Av1 * Av2 * Av3 //Voltage gain
Gv1 = 20 * log10(Av1) //dB voltage gain1
Gv2 = 20 * log10(Av2) //dB voltage gain2
Gv3 = 20 * log10(Av3) //dB voltage gain3
Gv = Gv1 + Gv2 + Gv3 //dB voltage gain
//Result
printf("\n Overall voltage gain is %0.3f .\nTotal dB voltage gain is %0.0f dB.",Av,Gv)
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