+10 V IREF lo2 Q2 20 A R2
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN:9781337399128
Author:Russell E. Smith
Publisher:Russell E. Smith
Chapter12: Electronic Control Devices
Section: Chapter Questions
Problem 2RQ: Semiconductors are ____________.
conductors
insulators
half conductors
none of the above
Related questions
Question
Plot the variation of the output current vs. IREF for the Widlar source shownfor 50 μA ≤ IREF ≤5 mA if R2 =4kΩ and βFO =100.
Expert Solution
Step 1
Given data:
R2=4kΩ.
βFO=100.
VCC=10V.
The relation between reference current and output current is given as
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