Noise Figure of an amplifier is given as 10 dB. If the ambient temperature is 290 K, then what will be the equivalent noise temperature?

Q: An amplifier has a gain of 45,000, which is too much for the application. With an input voltage of…

A: It is given that: AT=45000Vin=20μVVout=100mVA1=45000

Q: A class C amplifier has a supply voltage of 24 V and a collector current of 3 A. Its efficiency is…

A: Given, Class C amplifier Supply voltage Vs=24 V Collector current Ic=3 A Efficiency η=75%

Q: 2.126 For an amplifier having a slew rate of 40 V/us, what is the highest frequency at which a 2-V…

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Q: Determine the efficiency of the amplifier and discuss the problem of power loss in the amplifier.

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Q: 6. Draw general frequency response of this amplifier. Determine the corner frequencies.

A: Given:-R1=10KC1=1μFR2=100KC2=1PF

Q: Is there maximum power transfer from amplifier to load?

A: The given circuit diagram is shown below:

Q: 3. An amplifier operating over a frequency range of 455 kHz to 460 kHz has a 200 kn input…

A: Given, Frequency range of amplifier = 455KHz to 460 KHz Input resistance (R)=200 k ohm Ambient…

Q: What is the equivalent noise resistance of a cascading system of two amplifiers with resistances…

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Q: Determine the output voltage value of a transistor amplifier circuit by frequency for 1.923 V to…

A: V in dB = 20log10(V) by using above relation we can complete the table

Q: Problem Solving. An amplifier has an input impedance of 50 ohms and drives a load of 30 ohms. When…

A: This question belongs to analog electronics . It is based on the voltage gain and power gain of…

Q: An amplifier operating over the frequency range of 455 to 460 kHz has a 200-kΩ input resistor. What…

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Q: The basic principle of using a transistor as an amplifier yields two changes to the input signal…

A: transistor as an amplifier:- basically a transistor has two junctions J1 and J2 and so for a…

Q: 1. Which of these is incorrect for an operational amplifier? a) It has a high voltage gain b) It is…

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Q: 1. What is the importance of knowing the critical frequencies of an amplifier? 2. What is the…

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Q: The noise output of a resistor is amplified by a noiseless amplifier having a gain of 60 and a…

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Q: (a) Define bandwidth of an amplifier and provide explanation using a diagram.

A: We are authorized to answer the first question since the exact one wasn’t specified. Please submit a…

Q: Determine the maximum AC output power, the DC input power, the efficiency, and the power dissipated…

A: Determine the maximum AC output power, the DC input power, the efficiency, and the power dissipated…

Q: A source with equivalent noise temperature Te = 850 K is followed by a cascade of three amplifiers…

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Q: 1. In the midrange of an amplifier's bandwidth, the peak voltage is 10V. What would be its value at…

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Q: 7.The input and output voltages of an amplifier network are 1 V and 8 V respectively. If the input…

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Q: + 1K R2 1K R1 R3 1K C1 1NF

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Q: Consider a current amplifier with an input resistance, R = 152, an output resistance, R = 891 2, and…

A: Given,For a current amplifier,Input Resistance, Rin = 15 ΩOutput Resistance, Rout = 891 ΩShort…

Q: Find the mathematical formula of Summing amplifier by using Non- inverting circuit

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Q: Determine the voltage gain

A: Voltage gain is given by:  AV = rc / (re' + RE ) rc is the AC collector resistance given by RC || RL…

Q: 1. For the summing amplifier shown below, solve the voltage gain Av and output voltage Vout

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Q: The efficiency of any amplifier is the ratio of signal output power to signal input power. Select…

A: The efficiency of the amplifier is given by the formula as shown below:

Q: If R1=R2= 20 kΩ and Rf=Rg=100 kΩ in the difference amplifier shown below, what will be the value of…

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Q: Design an amplifier with the following characteristics : 1. A magnitude of the mid frequency voltage…

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Q: An averaging amplifier have five inputs with RF = 30 kohms, what should be the value of each input…

A: When all of the input resistors are equivalent, the summing amplifier is termed an averaging…

Q: Give an application in which an amplifier with very low input impedance is needed.

A: The common base configuration of a BJT amplifier offers very low input impedance. Due to its low…

Q: An AC voltmeter with reading is specified for an equivalent input noise voltage of 2 mV. This…

A: Equivalent input noise voltage =2 mV Vnt =10 mV

Q: 1) For the questions below use only your own words to explain a) Consider voltage gain of an…

A: Dear student as per our guidelines we are supposed to solve only one question in which it should be…

Q: Figure 1 shows a BJT amplifier whose voltage gain is A = -115. The values of the components are…

A: The Given is BJT amplifier, voltage gain is A=115 To Determine the upper cut-off frequency of the…

Q: Describe an application in which an amplifier with very high input impedance is needed.

A: A ECG amplifier should be high input impedance. It is a amplifier that amplifies and record the…

Q: The equivalent noise temperature and the ambient noise temperature for an amplifier are given as…

A: The equivalent noise temperature Te for an amplifier system depends on the ambient temperature T0…

Q: a 10 dbm voltage is measured at the input of an amplifier whose gain is 10. what is the measured…

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Q: 7. What is the voltage gain of an amplifier at the half power points on the amplifier response…

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Q: The overall voltage gain of a multistage amplifier is the product of the gains of each stage. Select…

A: Given statement: The overall voltage gain of a multistage amplifier is the product of the gains of…

Q: What are the main uses of operational amplifier

A: The main uses of operational amplifiers are: (A) Operational amplifier as an inverting amplifier:…

Q: Solve for the voltage gain.

A: The given circuit is as shown below,

Q: (a) What is the voltage gain, Ay of the amplifier?

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Q: In Inverting Amplifier, if the feedback resistor Rf.8 = 10Kohms, input resistor is Rin = 2000ohms…

A: The solution is given below

Q: What measure should be taken to prevent excessive heat dissipation in electrical component in the…

A: Solution :- If temperature of collector bias junction of a transistor increase then it increase the…

Q: Find the amplifier gain

A: Fig: Inverting op-amp  Although due to virtual ground concept voltage at node 2 is zero…

Q: Determine the Acl of this amplifier configuration if Vin = 15 mV. Rf www 330 ΚΩ R₁ www Vin Va 33 ΚΩ…

A: Given:

Q: compute for the power gain of an amplifier with an output power of 24mW, and an input power of 5mW?

A: Given data: Output power P0 = 24 mW Input power Pi = 5 mW Power gain  Ap  = ?