文档介绍:Basic Circuit Theory
Chpter18 Problems
1 For the circuit given in Fig. 18-14, the R 1 , C 2 , f C are given find the switched capacitor
equivalent.
100 kΩ
0 .01 µ F
R1
+ 1kΩ oo
V 1 -
+ +
V 2
C 2
+
Fig. 18-14 For prob. 1.
Fig. 18-15 For prob. 2.
2 Redesign the circuit given in Fig. 18-15 using switched-capacitor methods, f C =1000 Hz.
3 Redesign the circuit given in -16 to make use of switched-capacitor techniques,
f C =10000Hz,ω1 = 1kHz,ω 2 = 100kHz .
4 Redesign the circuit given in Fig. 18-17 using switched-capacitor methods,
f C =10000Hz,ω1 = 1kHz,ω 2 = 100kHz .
10kΩ 1kΩ
318 pF 0 .01 µ F
1kΩ
100 Ω
+
V - oo + - oo V
2
1 V 2 V 1 1µ F
+
3 .18 µ F + + +
+ +
Fig. 18-16 For prob. 3. Fig. 18-17 For prob. 4.
Reference Answers to Selected Problems
1
1: C 1 = .
f C R1
2: C 1k = 1 µ F, C 100 k = µ F.
DaLian Maritime University
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