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EXAMPLE 12.1 Calculate the input power, output power, and efficiency of the amplifier circuit in Fig. 12.5 for an input voltage that results in a base current of 10 mA peak. Vec = 20 V Ve 20V Re 1000 202 900- 800- Rg I kQ Re= 20 2 700- de load line 500 B = 25 400- Operating point 300 10 200 100 10 15 20 25 V (V) Va-Vec Figure 4.7 Example for Series-fed Class A Amplifier circuit Figure 4.8 Plotting of the DC load line

EXAMPLE 12.1 Calculate the input power, output power, and efficiency of the amplifier circuit in Fig. 12.5 for an input voltage that results in a base current of 10 mA peak. Vec = 20 V Ve 20V Re 1000 202 900- 800- Rg I kQ Re= 20 2 700- de load line 500 B = 25 400- Operating point 300 10 200 100 10 15 20 25 V (V) Va-Vec Figure 4.7 Example for Series-fed Class A Amplifier circuit Figure 4.8 Plotting of the DC load line

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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4.12 Example on Series-Fed Class A Amplifier EXAMPLE 12.1 Calculate the input power, output power, and efficiency of the amplifier circuit in Fig. 12.5 for an input voltage that results in a base current of 10 mA peak. Vcc = 20 V Ale (mA) Vee le- Re 20 V 40 - 10000 20 12 900 800 30 Rc = 20 2 RB I k2 C; de lead line 600 20 B = 25 400 Operating point 300 10 200) 100 =0 mA 10 15 20 25 VE (V) Vete Ver- Vee Figure 4.7 Example for Series-fed Class A Figure 4.8 Plotting of the DC load line Amplifier circuit
Transcribed Image Text:4.12 Example on Series-Fed Class A Amplifier EXAMPLE 12.1 Calculate the input power, output power, and efficiency of the amplifier circuit in Fig. 12.5 for an input voltage that results in a base current of 10 mA peak. Vcc = 20 V Ale (mA) Vee le- Re 20 V 40 - 10000 20 12 900 800 30 Rc = 20 2 RB I k2 C; de lead line 600 20 B = 25 400 Operating point 300 10 200) 100 =0 mA 10 15 20 25 VE (V) Vete Ver- Vee Figure 4.7 Example for Series-fed Class A Figure 4.8 Plotting of the DC load line Amplifier circuit
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