2.6: Exercises

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Mar 1, 2023
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- 2.5: Summary
- 3: Physics of BJTs

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(Assume diodes are silicon unless stated otherwise)

3.6.1: Analysis Problems

1. For the circuit of Figure $\PageIndex{1}$ , determine the peak output voltage. $V_{sec} = 12$ volts RMS, $R_{load} = 50$ $\Omega$ , $C_1 = 1500$ $\mu$ F.

Figure $\PageIndex{1}$

2. Sketch the output voltage waveform for the circuit of Problem 1, Figure $\PageIndex{1}$ , with and without the capacitor.

3. Determine the peak output voltage for the circuit of Figure $\PageIndex{2}$ . $V_{sec} = 18$ volts RMS, $R_{load} = 75$ $\Omega$ , $C_1 = 470$ $\mu$ F.

Figure $\PageIndex{2}$

4. Sketch the output voltage waveform for the circuit of Problem 3, Figure $\PageIndex{2}$ , with and without the capacitor.

5. For the circuit of Figure $\PageIndex{3}$ , determine the peak output voltage. $V_{sec} = 18$ volts RMS, $R_{load} = 40$ $\Omega$ , $C_1 = 1000$ $\mu$ F.

Figure $\PageIndex{3}$

6. Sketch the output voltage waveform for the circuit of Problem 5, Figure $\PageIndex{3}$ , with and without the capacitor.

7. Determine the output voltage waveform and its amplitude for the circuit of Figure $\PageIndex{4}$ . $V_{in} = 10 \sin 2\pi 100t$ , $V_{clip} = 8$ volts, $R = 10$ k $\Omega$ .

Figure $\PageIndex{4}$

8. Draw the output waveform with its amplitudes for the circuit of Figure $\PageIndex{5}$ . $V_{in} = 10 \sin 2\pi 100t$ , $V_{clip} = 5$ volts, $R = 10$ k $\Omega$ .

Figure $\PageIndex{5}$

9. Draw the output waveform with its amplitudes for the circuit of Figure $\PageIndex{6}$ . $V_{in} = 12 \sin 2\pi 200t$ , $V_1 = 6$ volts, $V_2 = 4$ volts, $R = 10$ k $\Omega$ .

Figure $\PageIndex{6}$

10. Draw the output waveform with its amplitudes for the circuit of Figure $\PageIndex{7}$ . $V_{in} = 5 \sin 2\pi 2000t$ , $C = 10$ $\mu$ F, $R = 4.7$ k $\Omega$ .

Figure $\PageIndex{7}$

11. Draw the output waveform with its amplitudes for the circuit of Figure $\PageIndex{8}$ . $V_{in} = 8 \sin 2\pi 500t$ , $V_{clamp} = 2$ volts, $C = 4.7$ $\mu$ F, $R = 33$ k $\Omega$ .

Figure $\PageIndex{8}$

3.6.2: Design Problems

12. Design a 15 volt AC to DC power supply capable of drawing 200 mA.

13. Design a circuit that will limit its output voltage to a range of −5 volts to +10 volts.

14. Design a circuit that will shift its output voltage so that it is always positive. The input frequency is 2 kHz.

3.6.3: Challenge Problems

15. Design a circuit that will shift its output voltage so that its negative peak is at +3 volts. The input frequency range is from 100 Hz to 1 kHz.

3.6.4: Computer Simulation Problems

16. Run a transient analysis of the circuit in Figure $\PageIndex{1}$ , Problem 1.

17. Run a transient analysis of the circuit in Figure $\PageIndex{2}$ , Problem 3.

18. Run a transient analysis of the circuit in Figure $\PageIndex{3}$ , Problem 5.

19. Run two transient analyses on the clamper circuit of Example 3.4.1, first using a capacitor 100 times larger than specified, and second using a capacitor 100 times smaller than specified. Discuss the resulting waveforms.

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3.6.1: Analysis Problems

3.6.2: Design Problems

3.6.3: Challenge Problems

3.6.4: Computer Simulation Problems

3.6.1: Analysis Problems

3.6.2: Design Problems

3.6.3: Challenge Problems

3.6.4: Computer Simulation Problems

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