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clear//
//Variables
gm = 2.0 * 10**-3 //Transconductance (in Ampere per volt)
rd = 40.0 * 10**3 //Resistance (in ohm)
RD = 20.0 * 10**3 //Drain resistance (in ohm)
RG = 100.0 * 10**6 //Gate resistance (in ohm)
//Calculation
rL = RD * rd / (RD + rd) //a.c. equivalent resistance (in ohm)
Av = -gm * rL //Voltage gain
R1i = RG //input resistance (in ohm)
R1o = rL //output resistance (in ohm)
//Result
printf("\n Voltage gain is %0.1f .",Av)
printf("\n Input resistance is %0.3f Mega-ohm.\nOutput resistance is %0.1f kilo-ohm.",R1i*10**-6,R1o*10**-3)
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