Why they do not affect the circuit in the high frequency and how the circuit pi model will be at low frequency?

Q: 1)the average value of the signal is? /2) the effective value of the signal is?

A:

Q: What is NOT a potential EMI problem source?

A: we will refer the concept of EMI to identify answer.

Q: What is the configuration of the given amplifier circuit below? How are the coupling capacitors…

A: In the given circuit  Input is given to base  Output taken from collector

Q: 5. With the aid of the circuit diagram shown below, discuss how it produces a Frequency Modulated…

A: According to the question, we need to discuss  how the given circuit produces a Frequency Modulated…

Q: 3(a). Why is the bode plot needed to plot the frequency response curve? 3(b). In an ac amplifier,…

A: In frequency response analysis, we carry out two kind of analysis one is analysis of magnitude with…

Q: Q3) Prove that the high frequency gain for BJT is represented be equation below Ap %3D

A:

Q: Measurements taken of a square-wave signal using a frequency-selective voltmeter (called a spectrum…

A: Consider that the first frequency has the 7th harmonic and the second frequency has the 9th…

Q: Give a summary of the concepts of frequency modulation

A: Modulation is the process of varying the strength of the signal and encoding the signal so that the…

Q: What is maximum power transfer theorem?

A: Whenever the resistive load is connected in the circuit then it will receive the maximum power if…

Q: Consider the octal signal point constellation in figure shown below. The adjacent signal points in…

A: Given: PSK-8 Distance d=A

Q: 1- Explain what is meant by the term "resonance"

A: As per Bartleby guidelines we have to do only one question when multiple questions asked please…

Q: Derive an expression for an norrow band pm. For a sinusoidal information signal

A: to derive an expression for an narrow band pm. For a sinusoidal information signal

Q: What is frequency? Explain the concept of frequency.

A: The Number of event that happens again and again over particular period is known as frequency. It is…

Q: Discuss the action of the filter circuit?

A: The action of the filter circuit is to filter the input from unwanted noise etc. Any filter is…

Q: What is the function of coupling capacitors? Assuming that they are performing their intended…

A: In amplifiers, it is sometimes required to have only an AC signal at the output for an example audio…

Q: Perform Coherent demodulation of AM (DSB-SC). Compare and discuss the frequency spectrum of…

A:

Q: Frequency bands: What are low and medium frequency bands? What are the difference of the 2 and what…

A: Radio frequency : It is the part of the electromagnetic spectrum. It has range between 3 KHz and 300…

Q: What is the condition for over modulation and what are its effects?

A: The over modulation problem is very well observed in amplitude modulation. The phase of the carrier…

Q: Write the AM voltage equation for a 120 Vp, 700 KHz carrier and a 100 Vp, 5 KHz modulating signal.

A: Given: Carrier signal:Vc=120 Vpfc=700 KHzModulating signal:Vm=100 Vpfm=5 KHz

Q: A JFET voltage divider biased amplifier circuit as shown in Figure Q2 has been used for audio…

A: Please find your answer below in step 2

Q: If the voltage dropped over a resistor directly connected to a signal generator... changes with…

A: It is known that the voltage does not depend on the frequency for purely resistive impedance whereas…

Q: Why the transfer function is linear system?

A: For non linear systems transfer function doesn't exist.

Q: what was the net outcome, explain the harmonics available before and after the filtering techniques…

A: Harmonics are a disruption in the regular electrical current waveform caused by nonlinear loads.…

Q: Noise generated by an amplifier of radio is an example for?

A: Noise generated by an amplifier of radio is a type of random signal because it has uncertainty…

Q: vhat is the rea are typically in the kilohm range, is it a good assumption to use the short-circuit…

A:

Q: How the phase modulation can generate frequency modulation?

A: To explain how the phase modulation can generate  frequency modulation

Q: What is the value of the excitation current(If)?

A: Excitation current is a current that excite the magnetic circuit.

Q: What circuit compensates for the greater frequency deviation at the higher modulating signal…

A: The solution is given below

Q: In the DC equivalent circuit of an amplifier, how the ac signal and capacitors are treated?

A: We need to tell about DC equivalent circuit of amplifier.

Q: What is a theory Single-sideband modulation

A: A Sideband is a band of frequencies, containing power, which are the lower and higher frequencies of…

Q: NBFM signal passes through a frequency multiplier. With β< 0.5 and fc=200kHz. Let fm ranges from…

A: If NBFM signal passes through a frequency multiplier. With β&lt; 0.5 and fc=200kHz. Let fm ranges…

Q: Define signal

A: The signal carries the messages from one person to another or from one place to another. In…

Q: What is the use of phase cross over frequency? How will you find it?

A: By using phase cross over frequency one can determine gain margin which is useful to know the range…

Q: why do I get the self resonance graph of a inductor in a tank circuit instead of the resonance…

A: Tank circuit  A coil is connected in parallel with capacitance Resojance occurs When recatance of…

Q: what should be the operating frequency to have a high frequency gain of  30 % lower that the mid…

A: The circuit diagram is given as We know that the frequency response of opamp is like a low pass…

Q: Q2:If the carrier frequency 500hz and reference voltage (12) V with Ac=3Ar and modulation frequency…

A: Carrier frequency is measured in cycles per second, or Hertz, and refers to the frequency of a…

Q: Example 4.9. The modulating signal is a single-tone sinusoid of 8 kHz, determine the bandwidth of FM…

A: Given that  ∆f=75 KHzfm=8 KHz Although formula for bandwidth of FM signal  is given by  ∆f=75…

Q: In an ac transistor amplifier, the circuit includes capacitors as well as resistors. What is the…

A: We need to explain the role of capacitor in bjt amplifier

Q: Describe briefly the effects of atmospheric conditions on the quality of signal.

A: Effects - (1) Rise in atmospheric temperature leads to decrease in quality of signal that means…

Q: Explain why the bulk element approach in circuit theory loses its validity at high RF and microwave…

A: Bulk element approach in circuit theory loses its validity at higher RF and microwave frequencies…

Q: The figure below of signal flow graph shown has: 3 4 6. 5. 2.

A: Given

Q: The frequency deviation is the amount of change in carrier frequency produced by the modulating…

A: Frequency deviation concept is used delivering or casting(broadcasting) of FM. Fm means the FM…

Q: what is it Single Sideband Modulator Using Filter Method.

A: Single sideband modulation is used when the transmission of one of the sidebands of the signal is…

Q: How can we Verify the relationship between voltage and current in an ac circuit at resonance?

A: Resonance is the condition in which source only supplies active power . In other words, total…

Q: Explain the difference between low-frequency numerical methods and high frequency methods. Give…

A: Low Frequency Numerical Method: A mathematical calculation of low-frequency electromagnetic field…

Q: What are the effects and significance of using filter capacitance?

A: Given :  Brief description: In the given circuit they want to know the  significance of the…

Q: What is the benefit of using two pulse transformers to drive the SCR of a single-phase bidirectional…

A: the benefit of using two pulse transformers to drive the SCR of a single-phase bidirectional AC…

Q: Discuss in detail about the narrowband noise and analyze the properties of in- phase and quadrature…

A: A random process X(t)is a bandpass or narrowband random process if its power spectral density is…