《电路》（英文版）chapter 17 Problems

Basic Circuit Theory Chpterl7 Problems (Unless otherwise specified, the diode characteristic is assumed to be as shown in Fig. 17-15b 1 Sketch the characteristic of each of the following circuits shown in Fig. 17-31. the diode characteristic is shown in Fig. 17-3le 2 Sketch the transfer characteristic of each of the following circuits shown in Fig. 17-32 the transfer characteristic being vo/v IQ g2中 Fig. 17-31 For prob. I 3 If in the circuit of Fig. 17-32b the input voltage is vn (()=A sin 5t, sketch the output voltage for A=IV. Repeat for A=3V. rDH (b) Fig. 17-32 For prob. 2 4 Obtain the transfer characteristic of the following circuit shown in Fig. 17-33. Let the input voltage be a triangular wave Sketch the output voltage 5 Obtain the i-v characteristic of the following circuit shown in Fig. 17-34 6 For the circuit of Fig. 17-35 where e(t)=10+0.5 cos t A, diode characteristic i=v(v>0) find the voltage y in diode 292 [39 Fig. 17-33 For prob. 4 Fig. 17-34 For prob. 5. 7 The Fig. 17-36 is a logic circuit. What does it do? in() QD Fig 17-35 For prob. 6. DaLian maritimeidhnisers ity 7

Basic Circuit Theory Chpter17 Problems (Unless otherwise specified, the diode characteristic is assumed to be as shown in Fig. 17-15b) 1 Sketch the characteristic of each of the following circuits shown in Fig. 17-31, the diode characteristic is shown in Fig. 17-31e. 2 Sketch the transfer characteristic of each of the following circuits shown in Fig. 17-32 the transfer characteristic being . in v / v 0 + - + - + - - + + - v 1Ω i 2 V v 1Ω i v i v 1Ω i v i g = 2 (a) (b) (c) (d) (e) Fig. 17-31 For prob. 1. 3 If in the circuit of Fig. 17-32b the input voltage is = A sin 5t, sketch the output voltage for A= 1V. Repeat for A= 3V. v (t) in + - + - - + - + + - - + - + 1Ω in 2 V v o v 1Ω in v o 2 V v 2 V (a) (b) Fig. 17-32 For prob. 2. 4 Obtain the transfer characteristic of the following circuit shown in Fig. 17-33. Let the input voltage be a triangular wave. Sketch the output voltage. 5 Obtain the i-v characteristic of the following circuit shown in Fig. 17-34. 6 For the circuit of Fig. 17-35 where e(t) = 10 + 0.5 cos t A, diode characteristic , find the voltage v in diode. ( 0) 2 i = v v > DaLian Maritim 1 e University Fig. 17-36 For prob. 7. R Ae v E2 E1 Be 7 The Fig. 17-36 is a logic circuit. What does it do? + - + - + - Fig. 17-34 For prob. 5. i v 2V 1V 2 A A 1 + - + - + - - + - + - + + - 1Ω in v 2 Ω o v 2 Ω 3 Ω Fig. 17-33 For prob. 4. + - i (t) in v i Ω 3 1 D Fig. 17-35 For prob. 6

Basic Circuit Theory 8 The Fig. 17-37 is a"diode matrix".As shown the circuit encodes the presence of e into the binary number [10 1 and that of e b the number 1 10. Explain the operation of the circuit Fig. 17-37 For prob. 8 9 Construct a diode matrix to encode each of the 10 decimal digits into its binary representation 10 A nonlinear capacitor may be used as a harmonic generator. Let a nonlinear capacitor be characterized by a charge-voltage(q v)relation: q=v+v. Let v(t)=sint. Find the harmonics of the current in the capacitor. Choose a qv relation such that only the third harmonics ppears Reference answers to Selected Problems 6:2-0.0715 cos t v DaLian Maritime University

Basic Circuit Theory Chpter17 Problems 8 The Fig. 17-37 is a “ diode matrix ”. As shown the circuit encodes the presence of e into the binary number [ 1 0 1 ] and that of e the number [ 1 1 0 ]. Explain the operation of the circuit. A B + - + - Ae 1x 2x 3x Be 1 0 Ae 2x 3x Be 1x 0 1 1 1 Fig. 17-37 For prob. 8. 9 Construct a diode matrix to encode each of the 10 decimal digits into its binary representation. 10 A nonlinear capacitor may be used as a harmonic generator. Let a nonlinear capacitor be characterized by a charge-voltage (q～v) relation: q = v+v 3 . Let v(t) = sint. Find the harmonics of the current in the capacitor. Choose a q～v relation such that only the third harmonics appears. Reference Answers to Selected Problems 6: 2 – 0.0715 cos t V. 7: “ AND ” gate. DaLian Maritime University 2