A Five (5) ohm loudspeaker is connected to the output of a two-stage amplifier,supplied by a Ten (10) volts source with internal impedance Two (2) ohms.Given that the output of stage one of the amplifier feeds into the input of stagetwo and that each amplifier stage consists of an emitter biased BJT with thefollowing parameters:i. Input impedance:34ii. Reverse voltage gain:-8Forward current gain: andiv. Output admittance:Determine the power produced in the speaker.

Step 1: Find the Total Impedance in the circuit (Rtotal) = Loudspeaker impedance + amplifier…

Answered: A Five (5) ohm loudspeaker is connected…

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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QUESTION 1 Design a high efficiency 3.3 V, 5A d.c.to d.c. power converter from a 4 to 5.5 Vdc source. The maximum allowable inductor current ripple and output voltage ripple are 0.1A and 20 mV, respectively. Assume a switching frequency of 20 kHz. a) Design a suitable converter power circuit using a MOSFET switch, showing all calculation of inductor and capacitor values and drawing a circuit diagram of the final design including component values. Indicate the peak inverse voltage and forward current rating of any diode required, and the maximum drain- source voltage of the MOSFET. b) On the Schematic diagram, draw the path of the current flow during the ON time and the OFF time. c) Describe the effect of changing the values of the inductor and the capacitor in the circuit. d) What is the effect of switching frequency in the circuit? e) Draw the schematic diagram of a circuit with the output voltage higher than the input voltage.
2. A transformer-coupled class A amplifier drives an 8-ohm speaker through a 4:1 transformer. Using a power supply of Vcc = 36 V, the circuit delivers 3 W to the load. a. Calculate the following: i. Piecj across transformer primary. ii. Vuscd- ii. Vjac) at transformer primary. iv. The rms values of load and primary current. b. Draw the circuit diagram of a class A transformer-coupled amplifier using an npn transistor.
2- Relay control is one of the.... applications. a. Triac b. Darlington c. SCR d. Diac 3- cannot amplify high frequency signals is one of the disadvantage of: c. RC coupled a. Direct coupled amplifier amplifier b. Transformer coupled amplifier d. Inductance coupled amplifier . . is a unipolar device. h. BJT 4. a Diac r SCR d. FET
Identify the given statement. The fundamental benefit of direct PM is that the carrier oscillator is separate from the actual modulator circuit and can thus be a very steady source, such as a phase-locked loop. Select your answer. The statement is true. The statement is false. The statement is a case-to-case basis. The statement has no fixed information.
Q) The purpose of coupling capacitor in the input and output of sing stage amplifier is . (a) Block d.c. (b) Separate bias of one stage from another (c) Increase thermal stability (d) Block a.c.
state how the Direct coupled amplifier differs from the RCcoupled and Transformer coupled amplifiers. Give emphasis on the coupling,biasing and frequency response.
R2 R, 1+ -VEE =- 15 V V. out in R, R1 R1 = 5.6 kQ V out Vin Vcc =+ 15 V Rin 19) calculate the value of R2 required for a closed-loop voltage gain of 5V/V
5, a) Determine Vdsat when ID=.5 mA. b) Determine Kn when ID = 0.5 Amps. (Show your work!) c) Determine VTN. (Show your work!) d) Vgs Consider the circuit and corresponding graph, shown below. ID (mA) 0.60 0.50 0.40 0.30 0.20 0.10 0.00 0 0.5 Vds 1 1.5 2 2.5 Vds 3 3.5 4 4.5 5 -Vgs = 1V - Vgs = 1.1V - Vgs = 1.2V - Vgs = 1.3V
In this voltage divider bias circuit, the input is at the base. Output is at the emitter with a high input resistance and low output resistance. The maximum voltage gain is 1 and the coupling capacitors must have a negligible reactance at the frequency of operation. (use to answer a and b) a. Derive the expression for the voltage gain, current gain, and power gain in terms of power delivered to the load, R. b. Sketch both the DC and AC equivalent circuits. c. Derive the expression for ripple factor of Half Wave Rectification with a capacitor filter.
Write the expression for the output voltage of a balanced modulator
With an aid of a. c. equivalent circuit, derive an equation representing common- mode gain (Ac) of the circuit.
Topic: Field Effect Transistor Given the FET Amplifier circuit. Answer the question asked in each letter. a. Transconductance Gain (gm) b. Drain Resistor (RD) c. Input Impedance (Zi) d. Output Impedance (Zo) e. Voltage Gain (Av) f. What is the AC configuration of the amplifier?common source, common gate, common drain, or source bias?

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