Power amplifier delivers 3.6 W of power to a load. The input signal power was 200 mW. What is the power gain in dB? Your Answer:

Q: CE Amp with pnp transistor VEE = 12V RE 213k2 pnp B=l00 VA = OU CE looka Ri !G Raut Cz Ika

A: Ac equivalent circuitRin=R1∥R2∥rπ     =75000∥3045     =22837500078045=2.926kΩRin≃3kΩAv=βibRc∥RLib rπ…

Q: The average value of the voltage in the given Figure is equal to: Note Vm=100 V

A: Given data, Maximum voltage Vm=100 V. Waveform is given as,

Q: determine the voltage gains: (a) Av=Voj/Vi and (b)Av=Vo/Vi. R. R Vio W R. Vo1 oVo R, Ri-1KΩ R2-10K…

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Q: 5 mW 8 dB 3 dB OA. 31 mW OB. 0.31 mW OC. 3.1 mW O D. 310 mW 08 18. In the circuit shown in the…

A: given circuit is                       power input to the first part of the circuit is - Pi power…

Q: Q8. For the Figure C1, Assume the output power is 42W. P, 20W Input 6W A? P2 P3 Pos A= 348 Figure C1…

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Q: 3. For the power amplifier circuit in Figure A: a) Calculate the power input and power output if the…

A: A power amplifier (PA) is a device that transforms a low-power signal into a higher-power signal.…

Q: 0 1. Sketch the output V and determine the DC level of the output signal for the given network…

A: The diode will conduct only during the forward bias and it will not conduct during reverse bias. The…

Q: 14. With regard to the circuit represented in Fig. 9.39, determine (a) ic(0); (b) i(0); (c) ig(0);…

A: Since multiple subparts have been asked, as per Bartleby guidelines only the first 3 have been…

Q: A power amplifier has an input power of 1.67W and an output power of 200W. What is the power gain in…

A: Given, A power amplifier has, Input power Pin=1.67 W. Output power P0=200 W.

Q: a sinusoidal signal voltage of 8V(PP) IS applied to each amplifier in the figure below, what are…

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Q: Amplifier's Frequency Response Vcc=20V R1 = 40 kohm R2 = 10 kohm Rc = 4 kohm RE=2 kohm Rs = 1 kohm…

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Q: 1. If a sinusoidal signal voltage of 8V(PP) is applied to each amplifier in the figure below, what…

A: Vin=8 Vpeak to peak sinusoidal voltage The above circuit is a voltage follower, where the output…

Q: Two resistor ,5 kohms and 20 kohms are at 27 degree C. Calculate the thermal noise voltage for a…

A: Given: R1 = 5kΩ R2 = 20kΩ T = 27°C Bandwidth = 10kHz. Need to calculate thermal noise voltage.

Q: Determine the Po of x[n] = en

A: The above question is based on the power of a signal.

Q: a. When the voltage gain of Figure 1 is at maximum what is its frequency? b. When freq→ 0 what is…

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Q: DOI-F 1M ww 1.2k IFL 20V 3k M₁ C₂ K C₂ 100-F

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Q: attenuation

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Q: Use Millman's Theorem to solve for output voltage, Vo. Ans. Vo=—0.5V

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Q: A power gain of 3 dB is equivalent to an output power that is twice the power of the input.  True…

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Q: Rv is used Vary the gain. Shaw Kat Jo s qiven by: Ri R2 Ve RI Jin RV

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Q: Q) If PLF=0 dB means.. . Power is lost 100% O Power is lost 0% O Power is lost 50% O none ООО

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Q: dB Doubling the power corresponds to a Select one: a. 3, increase b. 10, decrease C. 10, increase d.…

A: When working in frequency domain it is always very easy to compare the two quantities taken in ratio…

Q: Amplifier's Frequency Response Vcc=20V R1 = 40 kohm R2 = 10 kohm Rc = 4 kohm RE=2 kohm Rs = 1 kohm…

A: We need to find out input resistance for given circuit

Q: In an amplifier circuit, the output voltage is always in phase with the input voltage. a.False…

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Q: the input and output impedances : amplifier configuration in Figure below is Al = 175,000 Zin = 10…

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Q: The power gain of the amplifier is 55. What is the power gain in dB and dBm.

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Q: An ideal ac current source is applied to the input terminals of an amplifier, and the amplifier…

A: the given amplifier diagram circuit is shown below. The expression for input voltage is, vi=IRi and…

Q: In an amplifier circuit, the magnitude of the output current is always greater than the input…

A: The function of the amplifier is increases the magnitude of input signal or power. So the output…

Q: 1. Sketch the output V and determine the DC level of the output signal for the given network below.…

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Q: The attenuation of a signal is -10 dB. What is the final signal power if it was originally 5 W?

A: Attenuation means degradation of output power with respect to the input power because of some losses…

Q: Common-collector amplifier: An amplifier configuration which has the collector connected directly to…

A: We need to answer why this circuit is common collector circuit.

Q: 741 40 k 5 kQ 20 k2 ww

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Q: Amplifier's Frequency Response Vcc=20V R1 = 40 kohm R2 = 10 kohm Rc = 4 kohm RE=2 kohm Rs = 1 kohm…

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Q: What is the power factor of a circuit that has an input impedance of 5/– 25 N? Also, what is the…

A: Given values are - Vin=50∠0oVoltZin=5∠-25oOhm

Q: If Rf is 1Mohm and Rj is 500hm. What is voltage gain (A)? Rf +15 Rj V. V, out Vin -15

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Q: A power amplifier has output power of 1500(watt) and input power of 7.5(watt). What is value of…

A: Power gain given by Ap= pout / pin  Here pin ,= 7.5W Pout= 1500W

Power Amplifier

The power amplifier is an electronic amplifier designed to maximize the signal strength of a given input. The input signal strength is enhanced to a high enough level to drive output devices such as speakers, headphones, RF (Radio frequency) transmitters, etc. Unlike voltage / current amplifiers, the power amplifier is designed to drive core loads directly and is used as a storage block in the amplifier series.

Maximum Efficiency Criterion

In every field of engineering, there is a tremendous use of the machine and all those machines are equipped for their popular work efficiency so it very much important for operation engineers to monitor the efficiency of the machine, planning engineers to check out the efficiency of the machine before installing the machine and design engineers to design machine for higher efficiency than and then the utility will procure their products that will ultimately lead to profit and loss of the company. It indicates the importance of efficiency right from the initial stage as manufacturing units, intermediate stage as planning coordinators, and end-users stage as a utility.