A superheterodyne receiver has an IF of 455 kHz,

Q: Variations in signal strength that may occur at the receiver over a period of time is called

A: Correct answer is FADING Fading is defined as  the variations in signal strength at receiver end.

Q: Calculate the bandwidth of an FM system when the maximum deviation is 15 kHz and fi…

A: Given, ∆f=15 kHzfm=fi=3 kHz

Q: = What is the percent of modulation if the power in the side band is 5 W and * ?carrier power is 30…

A: Given: power in side band Psb = 5W carrier  power Pc=30 W

Q: 0 0 O 0 0.2 0.2 0.2 0.4 0.4 0.4 Q16) What is the sampling frequency? 0.6 0.6 Q15) What is the…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The signal input power to a receiver is 24uW. The noise power is 1.5 nW. What is the S/N ratio? What…

A:

Q: For a standard AM receiver with an RFcarrier of 1500 kHz and Q = 150, determine a. Local oscillator…

A:

Q: Hartley oscillator is commonly used in ...... 1. Radio receivers 2. Radio transmitters 3. TV…

A: The solution is provided in the following section.

Q: An AM transmitter is modulated by two sine waves at 1.5 kHz

A: Given frequency f1=1.5 KHZ                            f2=2.5 KHZ                            m1=30…

Q: What is the Baud rate for M-ary digitally modulated carrier if M = 8 and channel capacity = 2.7 kHz…

A:

Q: In an FM system, if the maximum deviation is 60 KHz and the maximum modulating frequency is 9 KHz,…

A: Given that Maximum deviation ∆f= 60 KHz Maximum modulating frequency fm=9 KHz

Q: Hartley oscillator is commonly used in.

A: The correct option along with the explanation is provided in the following section.

Q: provide 2 similarities and 2 differences for each of them.    Impedance vs. Radiofrequency Optical…

A: According to the question, we need to provide 2 similarities and 2 differences for each of them,…

Q: The operating frequency for UHF RFID is 135 kHz O 2.4 GHz O 13 MHz O 900 MHz O

A:

Q: 1. Sketch the magnitude characteristic of the Bode plot for the following transfer function.…

A: In the question,  Draw the magnitude of bode plot of the given transfer function.  Magnitude Bode…

Q: What is a photodiode? Please choose one: a. all of the above b. has three layers С. works with…

A: Right Answer option C. Works with reverse bias

Q: What will be the efficiency of an AM system if the modulation index is 0.55

A: Given data: The value of the modulation index is given as μ=0.55

Q: How many receivers are required for half duplex transmission?   A) 4   B) 2    C) 1   D) 0

A:

Q: A 1500 Hz B 3 kHz 1.5 kHz D) 6 kHz An audio signal represented by 60 sin 3000zt Volts modulates a…

A:

Q: What is the capacity of a 400 KHz channel if the SNR measured at the receiver is 6 dB?

A:

Q: What is the capacity of a 4000 KHz channel if the SNR measured at the receiver is 19 dB?

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Q: In 560KHZ AM radio station, the "560KHz" refers to the frequency of the O speech signal O carrier…

A: We need to select correct option for given AM signal statement.

Q: Differentiate FM with phase modulation.

A:

Q: Plot vi characteristics of SCR

A: The V-I characteristics of the SCR is as follows

Q: Hartley oscillator is commonly used in 1. Radio receivers 2. Radio transmitters 3. TV receivers 4.…

A: The correct option along with the explanation is provided in the following section.

Q: 3- Perform the deconvolution operation between the following two signals: 0.6 1.5 25

A: The deconvolution of two signals is performed by dividing the Laplace transforms of two signals…

Q: A square law demodulation is used for detection of a normal AM with 60% sinusoidal modulation. The…

A: Given data, Received signal power P0=4×10-8 W Input noise spectral density 10-12 W AM Modulation…

Q: FM is more noise immuned than AM. Explain

A: In this case, why frequency modulation is more noise immune than amplitude modulation needs to be…

Q: 32 channel are multiplexed using flat top with TDM with pulse duration 1u sec with synchronization…

A: Given  Total number of channels n=32 Pulse duration 1 μs Sampling frequency fs=2fm=2×4=8 kHz

Q: Frequency Rate (FR) 2. Incidence Rate (IR)

A: Frequency Rate Through a period of 12 months by one million hours worked, the number of occupational…

Q: Quiq plz

A: In this answer let us try to find what happens when the roots lie on the right side half of the…

Q: A square law demodu sinusoidal modulation.

A: It is given that modulation index=0.6 (u) For AM ,Figure of merit= u^2/(2+u^2) The details…

Q: What is

A: