Microelectronic Circuits (the Oxford Series In Electrical And Computer Engineering)
8th Edition
ISBN: 9780190853464
Author: Adel S. Sedra, Kenneth C. (kc) Smith, Tony Chan Carusone, Vincent Gaudet
Publisher: Oxford University Press
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Vcc=-12 V；R1=33 kΩ；RC=1.8 kΩ；βDC = 150；RE=560Ω；R2=5.6 k Ω確定圖5-38中的I1、I2和IB。
課本給的答案A: I1=315μA；I2=288μA ；IB=27μA，請教我計算過程
Consider the following circuit, assuming the switch has been in the same position for a long period of time before t = 0:
Vx
L
iL
R3
R2
R₁
Is
+
Vo
-
コロ
>Where Is = 100 mA,R=2202, R2 = 4702,R3 =4702,L= 1 mH. As indicated on the diagram, before t = 0, the switch is closed, after t = 0 the switch is open.
1. What are Ve and Vo before the switch shown opens (answer to within 1% accuracy)?
Vx =
V, Vo =
V
2. What is the T of the RL circuit after the switch operates (answer to within 1% accuracy)?
T=
μs
3. Complete the derivation for the inductor current in (t) differential equation below by filling in the blank coefficients (answer to within 1% accuracy):
diy(1)
dt
di (0) +
iz (t)+
= 0
4. Hence or otherwise, find the time domain expression for Vo(t) (answer to within 1% accuracy):
Vo(t)=
exp(
確定圖5-38中的I1、I2和IB。 Vcc=-12 V；R1=33 kN；RC=1.8 kN；βDC = 150；RE=560；R2=5.6 kN 圖 5-38
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