shows a well-known circuit configuration with the bypassed source resistor using an n-channel D-MOSFET with yos = 20µS. (i) Draw the DC equivalent circuit for the Figure 1. (ii) Calculate the operating point IDQ and VGSQ for the configuration using mathematical method. (iii) Draw the AC equivalent circuit for the Figure 1.
Figure 1 shows a well-known circuit configuration with the bypassed source resistor using an n-channel D-MOSFET with yos = 20µS.
(i) Draw the DC equivalent circuit for the Figure 1.
(ii) Calculate the operating point IDQ and VGSQ for the configuration using mathematical method.
(iii) Draw the AC equivalent circuit for the Figure 1.
(iv) Calculate transconductance, gm and rd.
(v) Calculate the input, Zi and output impedance, Zo for the circuit.
(vi) Prove that the equation for the no-load Gain, AvNL, for the circuit is as follows:
AvNL = -gm (RD X rd / RD + rd)
(vii) Calculate the no-load gain AVNL.
(viii) Find the value of VoNL if Vi = 30 mV.
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