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. Vec = 20 V Ve 20 V 1000 200 900 800 - Rg I kQ Rc= 20 2 700- de load line 600 500 - B = 25 * Operating point 400- 300 10 200 100 -0 mA 10 15 20 25 Va (V) Va = Vec to
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. Vec = 20 V Ve 20 V 1000 200 900 800 - Rg I kQ Rc= 20 2 700- de load line 600 500 - B = 25 * Operating point 400- 300 10 200 100 -0 mA 10 15 20 25 Va (V) Va = Vec to
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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
Vee
20 V
Re
-1000
200
900
800-
30
RB
I kQ
C;
Rc = 20 2
de load line
700
600
500
B = 25
Operating point
400
300
10
200
100
I-0 mA
10
15
20
25
Vee (V)
Ver = Vee](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb1422c0e-b443-43ad-89d8-78a8e2507213%2F01da9541-86ff-4e19-9a6c-639bcc578fef%2Fh01sjq6l_processed.jpeg&w=3840&q=75)
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
Vee
20 V
Re
-1000
200
900
800-
30
RB
I kQ
C;
Rc = 20 2
de load line
700
600
500
B = 25
Operating point
400
300
10
200
100
I-0 mA
10
15
20
25
Vee (V)
Ver = Vee
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