Electronic Devices - FET Amplifiers - Discussion
Discussion Forum : FET Amplifiers - General Questions (Q.No. 46)
46.
Refer to this figure. If gm = 4000 mS and a signal of 75 mV rms is applied to the gate, calculate the p-p output voltage.
Discussion:
3 comments Page 1 of 1.
Ramil said:
4 years ago
How you get 3300? Please explain.
Kris Mapua said:
7 years ago
This should be 4000 micro Siemens.
Vinput(peak) = 75*sqrt(2) mV,
Vinput(p to p) = 2*75*sqrt(2) = 212.132 mV,
Av = gm*rd = 4000micro*3300= 13.2,
Vo = Av*Vinput = 13.2*212.132mV = 2.8 Vpp.
Vinput(peak) = 75*sqrt(2) mV,
Vinput(p to p) = 2*75*sqrt(2) = 212.132 mV,
Av = gm*rd = 4000micro*3300= 13.2,
Vo = Av*Vinput = 13.2*212.132mV = 2.8 Vpp.
Kim said:
10 years ago
How to compute p-p Vo?
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