QUESTION 4: Consider an idealized class-B output stage shown below. The output stage is to deliver 42 W of average power to a 24 2 load for a symmetrical input sine wave. The power supply voltages are to be at least 3 V greater than the maximum output voltage. What must be the power supply voltages? What is the peak current in each device? What is the power conversion efficiency? Format : 64.9 Vp (V) Vcc (V) Format: 56.3 Ip Format: 5.5908894499765 Power Conversion Efficiency (%) Format : 43.9 V+ A v₁0 B UB VA www RL -OVO

QUESTION 4: Consider an idealized class-B output stage shown below. The output stage is to deliver 42 W of average power to a 24 2 load for a symmetrical input sine wave. The power supply voltages are to be at least 3 V greater than the maximum output voltage. What must be the power supply voltages? What is the peak current in each device? What is the power conversion efficiency? Format : 64.9 Vp (V) Vcc (V) Format: 56.3 Ip Format: 5.5908894499765 Power Conversion Efficiency (%) Format : 43.9 V+ A v₁0 B UB VA www RL -OVO

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...

See similar textbooks

Similar questions

2. A load of 8Ω is supplied by a single-switch Direct Current (DC) chopper with an inputvoltage of 40V. The switching frequency is 800Hz, the duty ratio is 0.4, and thetransmission voltage drop of the transistor is 2.4V a. Draw the chopper circuit presented in the question b. Find the switching period with the duty time of BJT c. Draw the load voltage, load current, BJT current, BJT voltage along two periods d. Find the output voltage. Is the achieved load voltage the average value or the effectivevalue e. Find the output power f. Find the average value and effective value of BJT current g. Find the power loss of BJT h. Find the DC source current i. Find the circuit efficiency
Refer to the differential amplifier circuit shown below . Determine the quiescent DC voltage at the collector terminal of each transistor assuming VBE of two transistor are negligible. What will be the quiescent DC values if VBE is taken to be 0.7 V.
For the class B output stage of Figure 2, let ??? = 6 V and ?? = 4Ω. If the output is a sinusoidal with 4.5V peak amplitude, find; (a) The output power. (b) The average power drawn from each supply/ (c) The power efficiency obtained at this output voltage. (d) The maximum power that each transistor must be capable of dissipating safely.
A base voltage of four volts is applied to an NPN bipolar junction transistor. A twenty kilo ohm resistor is linked to the base, while a hundred kilo ohm resistor is connected to the collector. The Collector is powered by a six volt supply voltage. Assume the transistor is in active mode, with a fifty common Emitter current gain(β).(i) Utilize the dc equivalent model of the transistor to draw the circuit design.(ii) Calculate the Collector current (IC) and the Base current (IB) .ii) Locate/determine the result (VCE).
If input voltage is 18Vpeak-peak, plot the output waveform. Assume Ideal approximation.
For the class B output stage of Figure 2, let VCC = 6 V and RL = 4Ω. If the output is a sinusoidal with 4.5V peak amplitude, find; (a) The output power. (b) The average power drawn from each supply/ (c) The power efficiency obtained at this output voltage. (d) The maximum power that each transistor must be capable of dissipating safely.
Explain BJT as an amplifier and as a switch with required waveforms.
For the BJT amplifier circuit of figure below with the following parameters:β = hfe ≈ 250, re= 20.3Ω, and ro = 1/hoe ≈ ∞ Ω, Zb= 50.26KΩ determine:(a) Draw the Ac equivalent circuit in re- model and hybrid model.(b) hie, , Zi , and Zo'(c) Av using h- model.(d) Avs and ac output voltage
A) What does VCO stand four? Show by drawing the relationship between its input and output signals. Compare VCO circuit with LC Tank circuit in terms of circuit functionality and how the output is generated in each of them. B) Compare between AM and FM in terms of noise immunity, interference, equipment complexity and cost and line of site transmission.
If the circuit shown in Figure #1 had a 10 kΩ resistor connected as a load resistor, RL and an input signal is applied to the base of the transistor through the coupling capacitor C1, with an amplitude of 22 mVpp at a frequency of 1 kHz. Determine the new voltage gain AV and the output voltage VOUT. Is the output signal clipped?
Provide the plots of gain and output voltage swing of Basic Current Mirror load and explain the cause of difference between Ibias and IOUT.
Why there is a difference between the value of a beta dc and the value of a beta ac in the diagram of output characteristics in transistor