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1. Figure 7-42 shows a CE power amplifier in which the collector resistor serves also as the load resistor. Assume Bpc = Bac = 100. (a) Determine the de Q-point (/co and Vero). (b) Determine the voltage gain and the power gain.

1. Figure 7-42 shows a CE power amplifier in which the collector resistor serves also as the load resistor. Assume Bpc = Bac = 100. (a) Determine the de Q-point (/co and Vero). (b) Determine the voltage gain and the power gain.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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1. Figure 7–42 shows a CE power amplifier in which the collector resistor serves also as the load resistor. Assume Bpc = Bac = 100. (a) Determine the de Q-point (Icq and VcEQ). (b) Determine the voltage gain and the power gain. +Vcc +15 V R 100 0 0.5 W 1.0 kf 22 uF ReI 8.2 1 V 500 mV pp R2 330 N 1.0 kHz 36 A 100 µF 2. For the circuit in Figure 7-42, determine the following: (a) the power dissipated in the transistor with no load (b) the total power from the power supply with no load (c) the signal power in the load with a 500 mV input 3. Refer to the circuit in Figure 7-42. What changes would be necessary to convert the cirecuit to a pnp transistor with a positive supply? What advantage would this have? 4. Assume a CC amplifier has an input resistance of 2.2 kl and drives an output load of 50 N. What is the power gain? 5. Determine the Q-point for each amplifier in Figure 7–43.
Transcribed Image Text:1. Figure 7–42 shows a CE power amplifier in which the collector resistor serves also as the load resistor. Assume Bpc = Bac = 100. (a) Determine the de Q-point (Icq and VcEQ). (b) Determine the voltage gain and the power gain. +Vcc +15 V R 100 0 0.5 W 1.0 kf 22 uF ReI 8.2 1 V 500 mV pp R2 330 N 1.0 kHz 36 A 100 µF 2. For the circuit in Figure 7-42, determine the following: (a) the power dissipated in the transistor with no load (b) the total power from the power supply with no load (c) the signal power in the load with a 500 mV input 3. Refer to the circuit in Figure 7-42. What changes would be necessary to convert the cirecuit to a pnp transistor with a positive supply? What advantage would this have? 4. Assume a CC amplifier has an input resistance of 2.2 kl and drives an output load of 50 N. What is the power gain? 5. Determine the Q-point for each amplifier in Figure 7–43.
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