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Home/microelectronics by sedra and smith 8th edition chapter 6

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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

6.69 All the transistors in the circuits of Fig. P6.69(a), (b), (c) are specified to have a minimum β of 50. Find approximate values for the collector voltages and calculate forced β for each of the transistors. (Hint)

6.69 All the transistors in the circuits of Fig. P6.69(a), (b), (c) are specified to have a minimum β of 50. Find approximate values for the collector voltages and calculate forced β for each of the transistors. (Hint)

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

6.68 For the circuit in Fig. VE 6.4, find VB and VE for vI = 0 V, −2 V, +2.5 V, and +5 V. The BJTs have β =50.   (a) –0 V, 0 V; (b) –1.8 V, –1.1 V; (c) +2.2 V, +1.5 V; (d) +3 V, 2.3 V

6.68 For the circuit in Fig. VE 6.4, find VB and VE for vI = 0 V, −2 V, +2.5 V, and +5 V. The BJTs have β =50.   (a) –0 V, 0 V; (b) –1.8 V, –1.1 V; (c) +2.2 ...

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

D *6.67 Using β = ∞, design the circuit shown in Fig. P6.67 so that the emitter currents of Q1, Q2, and Q3 are 0.5 mA, 0.5 mA, and 1 mA, respectively, and V3 = 0, V5 = −2V, and V7 = 1 V. For each resistor, select the nearest standard value utilizing the table of standard values for 5% resistors in Appendix J. Now, for β = 100, find the values of V3, V4, V5, V6, and V7.

D *6.67 Using β = ∞, design the circuit shown in Fig. P6.67 so that the emitter currents of Q1, Q2, and Q3 are 0.5 mA, 0.5 mA, and 1 mA, respectively, and V3 = 0, V5 = −2V, and ...

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

*6.66 For the circuit shown in Fig. P6.66, find the labeled node voltages for: (a)β = ∞ (b)β = 100

*6.66 For the circuit shown in Fig. P6.66, find the labeled node voltages for: (a)β = ∞ (b)β = 100

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

6.65 Design the circuit in Fig. P6.65 to obtain IE = 0.2 mA, VE = +2 V, and VC = +5 V. Design for IB2 = 0.1 mA. Use standard 5% resistors (refer to Table J.1 in Appendix J). The transistor has VBE = 0.7 V and β = 100.

6.65 Design the circuit in Fig. P6.65 to obtain IE = 0.2 mA, VE = +2 V, and VC = +5 V. Design for IB2 = 0.1 mA. Use standard 5% resistors (refer to Table J.1 in Appendix J). The ...

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

D 6.64 The pnp transistor in Fig. P6.64 has β = 50. Find the value for RC that gives VC = +2 V. What happens if the transistor is replaced with another having β = 100? Give the value of VC in the latter case.

D 6.64 The pnp transistor in Fig. P6.64 has β = 50. Find the value for RC that gives VC = +2 V. What happens if the transistor is replaced with another having β = 100? Give the value of ...

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

D *6.63 Design the circuit in Fig. P6.63 so that a current of 1 mA is established in the emitter and a voltage of −1 V appears at the collector. The transistor used has a nominal β of 100. However, the β value can be as low as 50 and as high as 150. Your design should ensure that the specified emitter current is obtained when β =100 and that at the extreme values of β the emitter current does not change by more than 10% of its nominal value. Also, design for as large a value for RB as possible. Give the values of RB, RE, and RC to the nearest kilohm. What is the expected range of collector current and collector voltage corresponding to the full range of β values?

D *6.63 Design the circuit in Fig. P6.63 so that a current of 1 mA is established in the emitter and a voltage of −1 V appears at the collector. The transistor used has a nominal β of 100. However, ...

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

*6.62 Repeat the analysis of the circuits in Fig. P6.61(a), (b), (c), (d), and (e) using β =100. Find all the labeled node voltages and branch currents. (a) −0.915 V, +1.218 V; (b) +1.258 V, 0.49 mA; (c) −0.9 V, −0.2 V, +1.4 V; (d) +1.7 V, −0.9 V; (e) +1 V, +1.7 V, −0.9 V

*6.62 Repeat the analysis of the circuits in Fig. P6.61(a), (b), (c), (d), and (e) using β =100. Find all the labeled node voltages and branch currents. (a) −0.915 V, +1.218 V; (b) +1.258 V, 0.49 mA; (c) −0.9 V, −0.2 ...

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

6.61 For the circuits in Fig. P6.61(a), (b), (c), (d), and (e), find values for the labeled node voltages and branch currents. Assume β to be very high.

6.61 For the circuits in Fig. P6.61(a), (b), (c), (d), and (e), find values for the labeled node voltages and branch currents. Assume β to be very high.

microelectronics by sedra and smith 8th edition chapter 6
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venkyelectrical
venkyelectrical
Asked: January 13, 2022In: microelectronics

SIM 6.60 For the circuit in Fig. P6.60, find VB, VE, and VC for RB = 100 kΩ, 10 kΩ, and 1 kΩ. Let β =100.

SIM 6.60 For the circuit in Fig. P6.60, find VB, VE, and VC for RB = 100 kΩ, 10 kΩ, and 1 kΩ. Let β =100.

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