Q1. For the Zener diode circuit below calculate the minimum input voltage required for stable regulation if it is given that Izk = 1.5 mA and Vz = 14 V. Assume that you are operating at the "knee" of the Zener curve with the Zener just switched on and regulating. Treat the diode as an ideal Zener, i.e. no resistance in the Zener. R 560 VIN

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.2P: The temperature dependence of resistance is also quantified by the relation R2=R1[ 1+(T2T1) ] where...
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Q1. For the Zener diode circuit below calculate the minimum input voltage required for stable
regulation if it is given that IzK = 1.5 mA and Vz = 14 V. Assume that you are operating at
the "knee" of the Zener curve with the Zener just switched on and regulating. Treat the diode
as an ideal Zener, i.e. no resistance in the Zener.
R
560 N
VIN
Answer
Q2. For the Zener diode circuit below calculate the value to which R should be adjusted in
order to have a current through the Zener Iz = 40 mA. It is given that V2 = 12 V at 30 mA and
the diode has a resistance R = 302.
R
VIN
18 V
Answer
Transcribed Image Text:Q1. For the Zener diode circuit below calculate the minimum input voltage required for stable regulation if it is given that IzK = 1.5 mA and Vz = 14 V. Assume that you are operating at the "knee" of the Zener curve with the Zener just switched on and regulating. Treat the diode as an ideal Zener, i.e. no resistance in the Zener. R 560 N VIN Answer Q2. For the Zener diode circuit below calculate the value to which R should be adjusted in order to have a current through the Zener Iz = 40 mA. It is given that V2 = 12 V at 30 mA and the diode has a resistance R = 302. R VIN 18 V Answer
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