오V 620 kn 390 kN Figure 4.158
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Related questions
Question
The JFETs have IDSS = 200 μA
and VP = +2 V. (a) Find the Q-point for the two
JFETs if R = 10 kΩ and V = 15 V. (b) What is
the minimum value of V that will ensure that both
J1 and J2 are in pinch-off if R = 10 kΩ?
Expert Solution
Step 1
(a)
Here, both the transistors are in the saturation region.
Also, the drain current for both the transistors is equal.
Step 2
Write the expression for the gate-source voltage of the transistor 1.
Step 3
Write the expression for the drain current of transistor 1.
Step 4
Calculate the drain current in transistor 2.
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