Given IDSS = 12 mA and |VP| = 6 V, sketch a probable distribution of characteristic curves for the JFET (similar to Fig. 6.11).
ID (mA)
Locus of pinch-off values
Ohmic Region
Saturation Region
IDSS 8
VGS = 0 V
7
6
5
4
VGS = -1 V
3
2
VGS = -2 V
1
VGS = -3 V
VGS = -4 V = VP
0 5 10 15 20 25 VDS (V)
VP (for VGS = 0 V)
FIG. 6.11
n-Channel JFET characteristics with IDSS = 8 mA and VP = -4 V.