Basic Circuit Theory Chpter18 Problems 1 For the circuit given in Fig. 18-14, the R 1 , C , f are given find the switched capacitor equivalent. 2 C Fig. 18-14 For prob. 1. 1 R 2 C + + - + + oo F01.0 μ ?k1 2 V ?k100 1 V Fig. 18-15 For prob. 2. 2 Redesign the circuit given in Fig. 18-15 using switched-capacitor methods, f =1000 Hz. C 3 Redesign the circuit given in Fig.18-16 to make use of switched-capacitor techniques, f =10000Hz, C kHzkHz 100,1 21 == ωω . 4 Redesign the circuit given in Fig. 18-17 using switched-capacitor methods, f =10000Hz, C kHzkHz 100,1 21 == ωω . DaLian Maritime University + + - + + oo F1μ 1 V ?k1 2 V F01.0 μ ?k1 + + - + + oo F18.3 μ 1 V ?100 2 V ?k10 pF318 Fig. 18-17 For prob. 4. Fig. 18-16 For prob. 3. Reference Answers to Selected Problems 1: C = 1 1 1 Rf C . 2: C = 1 k1 μ F, C = 0.01 k100 μ F. 1