Q.5/ Refer to the class AB amplifier in figure below operating with a single power supply: a. Find the de parameters VB(Q1), VB(Q2), VE, Ico, VCEQ(QI), VCEQQ2). b. Assuming the input voltage is 10Vpp, calculate the power delivered to the load resistor. c. What faults causing the following troubles: 1. A positive half-wave output signal 2. OV on both bases and emitters 3. No output: emitter voltage =15V 4. Crossover distortion on the output.
Q.5/ Refer to the class AB amplifier in figure below operating with a single power supply: a. Find the de parameters VB(Q1), VB(Q2), VE, Ico, VCEQ(QI), VCEQQ2). b. Assuming the input voltage is 10Vpp, calculate the power delivered to the load resistor. c. What faults causing the following troubles: 1. A positive half-wave output signal 2. OV on both bases and emitters 3. No output: emitter voltage =15V 4. Crossover distortion on the output.
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Transcribed Image Text:Q.5/ Refer to the class AB amplifier in figure below operating with a single power supply:
a. Find the de parameters VB(QI), VBQ2), VE, Ico, VCEQIQI), VCEQ(Q2).
b. Assuming the input voltage is 10Vpp, calculate the power delivered to the load resistor.
c. What faults causing the following troubles:
1. A positive half-wave output signal
2. OV on both bases and emitters
3. No output: emitter voltage =15V
4. Crossover distortion on the output.
+15 V
R
1.0 kf2
RL
75 0
R2
1.0 kf
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