BER = 10 -5 in dB, for PSK constellations BPSK, 8-PSK and 16-PSK.

Q: For a new receiver circuitry what is an appropriate amplifier?

A: Based on the basic of communication system

Q: (a) Determine the frequency deviation ∆f and the carrier swing for an FM signal with a carrier…

A: (a) Frequency deviation is the difference between the maximum frequency of the modulated signal and…

Q: Derive the equation to get the message from DSB-SC signal using homodyne receiver.

A:

Q: An AM-DSB-LC modulator has a carrier frequency of (fc) Hz, with amplitude of (Ac) volt, and the…

A:

Q: Q/ A baseband signal with bandwidth equal to (B)Hz is used to do a normal AM modulation to a certain…

A: An amplitude modulated carrier wave is shown below: The bandwidth of the base band signal is “B”.…

Q: Question 5 (a) Explain the function of each stage of a superheterodyne AM receiver with the aid of a…

A: 5.a) Superheterodyne receiver functional block diagram b) why DSB-LC  is power inefficient?

Q: What is the bode plot magnitude for the network function?

A:

Q: 1- Given the knowledge of the Bessel function in the analysis if the WBFM, how do we choose the…

A: According to the bartleby's guidelines we have to solve only one question posted by students so…

Q: a.) modulation index at the output of the combining network and the power amplifier; b.) frequency…

A:

Q: 6- The bandwidth required for a modulated carrier depends on: a) The carrier frequency b) the…

A: The band width of a signal is defined as twice the baseband bandwidth of the signal.

Q: c) What is the noise figure (in dB) of the cascaded transmission line and amplifier?

A: c) What is the noise figure (in dB) of the cascaded transmission line and amplifier?…

Q: 1.) Answer the following: a. At 50% modulation DSBSC, what is the percentage power saving? b. At…

A: we need to find out % power saving , total transmitted power is in the sideband and useful power.

Q: (a) Calculate the midband voltage gain Vs by replacing capacitors with open circuit? (b) Calculate…

A: The circuit diagram is shown below,

Q: 5. What is Carson's bandwidth formula?

A:

Q: For the uplink transmission signal, let's assume a center frequency of 1.8 GHz with a data rate of 5…

A:

Q: For an AM superheterodyne receiver using high-side injection with local oscillator frequency of 1400…

A:

Q: What is the relation between carrier frequency of received signal and the intermediate frequency of…

A: The superheterodyne receiver(also called as superhet) is a type of radio receiver which uses a…

Q: Q1: A carrier signal given by (cos2n10*t) volt is AM modulation by the message signal given by…

A:

Q: Q1) A periodic baseband signal is modulated using normal AM system. The periods of the positive and…

A: Given data: The maximum instantaneous power is 12 W. The total signal time is 12 second. Consider…

Q: A 1 MHz carrier of 10V amplitude, when frequecny modulated by a 400 Hz, 1V modulating signal, under…

A: Use the Carson's rule to find the bandwidth of  the FM signal as, BW=2fm+∆f........(1) Here, fm is…

Q: For the circuit shown below: 1) Calculate the DC bias point for the transistor. 2) Estimate the…

A:

Q: A 10Vp carrier signal is amplitude modulated by two different frequencies 5 KHz and 10 KHz with…

A: The solution is given below

Q: If a mobile unit is 3Km from the base station and 11Km from the CCI sites in a trisector(120 ° )…

A: Given: Distance of mobile unit from the base station, do=3 km Distance of mobile unit from the CCI…

Q: gm 2 mA, r0 = RL = 20k Ohm, Cgs = 20fF, Cgd = 5fF, Cdb = 20fF, CL = 20FF, Rsig = 25k Ohm a)…

A: The circuit diagram of the amplifier is given as HereCgd,Cgs and CL are the parasitic…

Q: is better wide bandwidth range or narrON Which one? why?

A: Since you have posted multiple questions, according to guidelines, we will solve only the first…

Q: A sinusoidal carrier frequency of 0.1MHZ is amplitude modulated by a sinusoidal voltage of 20kHz…

A: We need to different parameters for Amplitude modulation .

Q: ": A modulating signal f (t) shown esides AM modulates a carrier vith modulation index = 0.5, find:…

A: Given diagram, Modulation index μ=0.5 c) Carrier power  PC=A2c2     =1022    =50W

Q: What is the channel capacity, in bits per second, of a 20-MHz channel with an S/N ratio of 23 dB?

A: Given, S/N ratio = 23 dB Bandwidth = 20 MHz

Q: Identify how the excessive bandwidth use of FM can be overcome. (Check all that apply.) By using…

A: Need to find how we can overcome large bandwidth issue in FM

Q: for a modulation coefficient m = 0.2 and an unmodulated carrier power Pc =  1000 W, find the…

A:

Q: A carrier signal of 1.0 Volt amplitude and a sinusoidal modulating signal of 0 v, put in series, are…

A: Modulation is process by which some properties of carrier signal is varied according to modulating…

Q: A 1 MHz carrier of 10V amplitude, when frequecny modulated by a 400 Hz, 1V modulating signal , under…

A: Bandwidth of FM can be calculated by Carson rule   Now as per Carson rule 2(fm+∆f) ⋯⋯⋯⋯⋯ Equation…

Q: for an unmodulated carrier amplitude of 16 Vp and a modulation coefficient of m= 0.4, determine the…

A:

Q: Use Carson’s rule to determine the bandwidth of an FM channel when the maximum deviation allowed is…

A: Given, Maximum frequency deviation presented in FM signal, Δf = 5 kHz Highest modulating frequency,…

Q: Q1/ Consider a receiver with a 4-dB noise figure and a 2-MHz bandwidth. If a carrier-to-noise ratio…

A: According to the guideline we need to solve only the first question. According to the question we…

Q: 6.) Find the a.) Find the modulation index of of a system with a 350-MHz carrier that is devi- ated…

A: FM refers to frequency modulation method used for encoding the an information or a data over the…

Q: (c) An AM radio station broadcasts music with an absolute bandwidth of 5 kHz. The stationuses…

A: Amplitude modulation- Amplitude modulation is a technique which is used in electronic transmission.…

Q: -18 A baseband signal having components from near de to 8 kHz is used to frequency modulate a…

A:

Q: For an FM modulator with a modulation index of m = 1, and the given parameters as below. Va(t) = 2…

A:

Q: A 10Vp carrier signal is amplitude modulated by two different frequencies 5 KHz and 10 KHz with…

A: The solution is given below

Q: What are the advantages and disadvantages of single-sideband transmission? Briefly describe

A: In this question we will write advantages and disadvantages of single side band transmission....

Q: Find the VSWR, SWR(dB), and voltage and power reflection coefficients for a time-varying input…

A:

Q: If the SNR value is C dB in a communication system, what can be said about the signal strength and…

A: SNR stands for signal to noise ratio define as the ratios of the desired information or a signal…

Q: Q4: Determine the power in the sidebands as a percentage of the total power of a modulated signal in…

A: Individual depths of modulation =0.3 and 0.4 Percentage of sideband power to total power?

Q: Why S-Parameters are with proper mathemati cal equations? required to analyze the Microwave networks…

A: Microwave networks- Microwave networks are used for transmission of information by microwave radio…

Q: For a WBFM, if the baseband signal has a maximum frequency of 10 kHz and the modulation index is…

A: According to Carson's bandwidth formula, the bandwidth of a frequency modulated signal can be…

Q: b. What is the channel capacity for signal power of 250 W, noise power of 50 W, and bandwidth of 3…

A: The channel capacity is 2.334 MHz

Q: What is the maximum average output power of a single-sideband signal (SSB) transmitter rated at 250…

A: Given : Peak envelop power (PEP)=250 W Calculate maximum average power of SSB