C) Current through the voltage divider Ivd s 20 MA, which is the current flowing
through R, and R2
11. Draw the DC load line for the specified case and label the slope and crossing points,
12. Calculate and r, at Ip=1 mA and 4 mA assuming VA= -100 V. How does the de
drain current affect gm and r.?
Circuit Schematics:
Vpp 9
DR
-
R3
TILOW
m
a
VRD } lk
17000
1M
.6
VpD
R2
{
Figure 1. MOSFET test circuit.
Figure 2. Voltage-divider biasing.