Questions from Electronics

Q: Sketch the circuit diagram of a quasi-complementary amplifier, showing

Sketch the circuit diagram of a quasi-complementary amplifier, showing voltage waveforms in the circuit.

Q: For the class B power amplifier of Fig. 12.36

For the class B power amplifier of Fig. 12.36, calculate: a. Maximum Po(ac). b. Maximum Pi(dc). c. Maximum %h. d. Maximum power dissipated by both transistors.

Q: If the input voltage to the power amplifier of Fig.

If the input voltage to the power amplifier of Fig. 12.36 is 8-V rms, calculate: a. Pi(dc). b. Po(ac). c. %h. d. Power dissipated by both power output transistors.

Q: For the power amplifier of Fig. 12.37,

For the power amplifier of Fig. 12.37, calculate: a. Po(ac). b. Pi(dc). c. %h. d. Power dissipated by both output transistors.

Q: Calculate the harmonic distortion components for an output signal having fundamental amplitude

Calculate the harmonic distortion components for an output signal having fundamental amplitude of 2.1 V, second harmonic amplitude of 0.3 V, third harmonic component of 0.1 V, and fourth harmonic comp...

Q: Calculate the input power dissipated by the circuit of Fig. 12

Calculate the input power dissipated by the circuit of Fig. 12.35 if RB is changed to 1.5 kΩ.

Q: Calculate the total harmonic distortion for the amplitude components of Problem 19

Calculate the total harmonic distortion for the amplitude components of Problem 19.

Q: Calculate the second harmonic distortion for an output waveform having measured values

Calculate the second harmonic distortion for an output waveform having measured values of VCEmin = 2.4 V, VCEQ = 10 V, and VCEmax = 20 V.

Q: For distortion readings of D2 = 0.15, D3 =

For distortion readings of D2 = 0.15, D3 = 0.01, and D4 = 0.05, with I1 = 3.3 A and RC = 4 Ω, calculate the total harmonic distortion fundamental power component and total power.

Q: Determine the maximum dissipation allowed for a 100-W silicon transistor

Determine the maximum dissipation allowed for a 100-W silicon transistor (rated at 25°C) for a derating factor of 0.6 W>°C at a case temperature of 150°C.