a. Determine VDS for VGS = 0 V and ID = 6 mA using the characteristics of Fig.
b. Using the results of part (a), calculate the resistance of the JFET for the region ID = 0 to 6 mA for VGS= 0V.
c. Determine VDS for VGS = -1V and ID = 3 mA.
d. Using the results of part (c), calculate the resistance of the JFET for the region ID = 0 to 3 mA for VGS = -1V.
e. Determine VDS for VGS = -2 V and ID = 1.5 mA.
f. Using the results of part (e), calculate the resistance of the JFET for the region ID = 0 to 1.5 mA for VGS = -2V.
g. Defining the result of part (b) as ro, determine the resistance for VGS = -1 V using Eq. and compare with the results of part (d).
h. Defining the result of part (b) as ro, determine the resistance for VGS = -2 V using the same equation, and compare the results with part (f).
i. Based on the results of parts (g) and (h), does Eq. 1, appear to be a valid approximation?
FIG. n-Channel JFET characteristics with IDSS = 8 mA and VP = -4 V.
(1)
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