for the following circuit determine the range of input voltages V¡ that will maintain V₁ at 8 V. Rs Vo 9192 V₂=8V = 400 mW PZ max RL ' 0.22 ΚΩ
(02) Zener Diode Circuits. (Course: Electronic Devices and Circuit Theory)
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![for the following circuit determine the range of input voltages V¡ that will maintain V₁ at 8 V.
Rs
Vo
91Ω
V₂=8 VA
PZmax=400 mw
RL
' 0.22 ΚΩ
If the emitter current of a transistor is 8 mA and Ig is 1/100 of Ic, determine the values of Ic and
IB.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F14e2a5f3-ac75-428e-bb14-abba01aeee13%2F99de8c6c-3cde-4eb0-91de-bc6fa11ed3d6%2Fy40bgx_processed.jpeg&w=3840&q=75)
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Apply voltage divider rule:VL=RLRS+RLViminso,Vimin=RS+RLRLVLVimin=91Ω+220Ω220Ω×8 voltVimin=311220×8 VoltVi(min)=11.31 Volt
From the circuit:VZ=VL=VA=8 Vso,IL=VLRL=8220AmpIL=36.364 mAandIZM=PzmaxVZ=4008mAIZM=50 mAApply KCL at node-AIRmax=IZM+ILIRmax=50 mA+36.364 mAIR(max)=86.364 mA
Apply KVL in loop:-Vimax+RsIRmax+VZ=0Vimax=RsIRmax+VZput values:Vimax=91Ω×86.364mA+8VVimax=7.859 V+8 VVi(max)=15.859 V
Hence range of Vi:11.31 V⩽V⩽15.859 VAnswer
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