7. The advantage of a differential phase-shift keying (DPSK) system is that_____________ is (are) not required. A. carrier synchronizer B. voltage-controlled oscillators C. upper and lower sidebands D. carrier recovery circuitry

Q: Explain frequency hopping acquisition scheme using a simple PN sequence. Assume that the length of…

A: Frequency hopping acquisition scheme using a simple PN sequence. In a frequency hopping, the…

Q: 3- Implement f(a,b,c,d) =Em(0,1,5,6,7,9,10,15) by using 4 multiplexer and a,b as a select line.

A:

Q: Wavelength division multiplexing, to put it briefly.

A: Wavelength division multiplexing:- A fiber-optic transmission method called wavelength division…

Q: An a differential pulse code modulated system, the transmitted bits per sample is 7.  How many…

A: number of quantization level given by 2nwhere n is no of bits

Q: RF tuning Stage known as the "pre-selector"

A: Band Pass Filter-It is the  filter which passes only the range of frequencies that is specified…

Q: What are the entire DISADVANTAGES of FREQUENCY DIVISION MULTIPLEXING? 1:10 PM

A: i)all the channels of FDM are affected by wideband channel fading. ii)large number of filters and…

Q: Explain the relationship between bits per second and baud for an FSK system.

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 4. Form an AM DSBFC envelope with a 40V positive maximum voltage and a 10V positive minimum voltage,…

A: Given AM DSBFC signal has  positive maximum voltage = 40V Positive minimum voltage = 10V

Q: a. 'Draw block diagram for AM modulation? b. Draw block diagram for AM demodulation?

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

Q: Explain why using double side band with suppressed carrier (DSB-SC) in a communication system is…

A:

Q: Discuss how the original signal can be recovered perfectly from the output of the decoder. What are…

A: At the decoder side, various signal reconstruction devices are used to recover the original message…

Q: What is the purpose of using a modem for modulation and

A: In this question we will write about Modem..

Q: What is the importance of the modulation percentage in an AM system, does it have to do with over…

A: The Amplitude Modulation (AM) is the process of varying high frequency carrier magnitude based on…

Q: Design an 8-to-1-line multiplexer using a 3-to-8 line decoder and external gates

A: A multiplexer is combinational circuit that select one of the inputs to the output. The select line…

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

A:

Q: Why we need synchronization bits in ?TDM To decrease bandwidth To decrease system complexity To…

A: TDM: it is a technique used for sending/ receiving more than one message signal simultaneously…

Q: Determine the Emmision Classification 2. Single sideband full carrier single analog channel…

A: Given: Single sideband full carrier single analog channel telephony. To find: Determine the Emission…

Q: 8. Which of the most widely used model for signal prediction in urban areas? a) Ericsson Multiple…

A: According to the context of the given question, the best suitable model for signal prediction in…

Q: What is a bipolar line coding technique with phase encoding, and explain why it is named as phase…

A: In the bipolar line coding technique with phase encoding, there are three levels of the voltage…

Q: Derive the effect of phase and frequency errors between the local oscillator signal and the received…

A: Let us assume m(t) is a mesage signal adn corrsponding a SSB modylated signal (Upperside band…

Q: What is the mixer in a superheterodyne receiver?

A: Superheterodyne receiver It is used in radio broadcast reception and two-way radio communication…

Q: In series clippers, when clipping of signal occurs?  In parallel clippers, when clipping of signal…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Q1-Derive the effect of phase and frequency errors between the local oscillator signal and the…

A: Derive the effect of phase and frequency errors between the local oscillator signal and the received…

Q: 3. In a FM system, the modulating frequency fm= WR be the new deviation ? If the modulating voltage…

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

Q: Why GNSS and dual-frequency receivers are mostly preferred?

A: GNSS stands for Global Navigation Satellite System is a navigation system used for identifying…

Q: 8- Design equation F(A,B,C,D) ={(1,3,4,11,12,13,14,15) using a suitable Multiplexer?

A: Note : In the question you didn't mention the type of multiplexer. So I am going to design the given…

Q: نقد * Why we need synchronization bits in ?TDM To decrease bandwidth To decrease system complexity…

A:

Q: are specifications of Digital modulation techniques?

A: Digital Modulation Techniques. It  is the kind of  process in which encode a digital information…

Q: c) The superheterodyne receiver (SuperHet) is an architecture that enables the same receiver to…

A: Introduction - Superheterodyne receiver - A superheterodyne receiver, also known as a superhet, is a…

Q: Show that when the value of the modulation index is 1, the value of the efficiency of modulation…

A: The efficiency of an amplitude modulated system is the ratio of the signal power (Ps) to the total…

Q: . Compare between TEmn and TMmn modes.

A: The differences between the TEmn and TMmn modes are listed in the table shown below:  TEmn mode…

Q: b) Draw the block diagram of QPSK transmitter. Explain its operation and write all the design…

A: QPSK is the abbreviation of "Quadrature Phase Shift keying. As we have already discussed, that in…

Q: Design an 8-to-1-line multiplexer using a 3-to-8 line decoder and external gates.

A:

Q: Modulation and Demodulation: 1. Define detection process? 2. What are the different types of…

A: Modulation and demodulation: Modulation is the process of encoding information in a transmitted…

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: 2. Mention the advantages of indirect method of FM generation?

A: 2) There are various advantages of using indirect method to generate FM signal.

Q: 1. Draw the block diagram of a Superheterodyne Receiver. Label and discuss the main function/s of…

A: As per Guidelines we are supposed to answer only First question when multiple questions are given.…

Q: Advantage of using Dynamic channel assignment is

A: The solution is provided in the following section.

Q: 2. What are the differences between homodyne and super heterodyne receivers.

A:

Q: 6. What are the types of FM?

A:

Q: What is the maximum modulating frequency allowed in commercial FM broadcastings?

A: In this case, the maximum modulating frequency corresponding to commercial FM broadcasting needs to…

Q: 3. What are the differences between homodyne and super heterodyne receivers.

A: A radio receiver is a wireless radio component which converts the information carried by radio waves…

Q: what is Successive approximation ADC? please explain

A: Here is block diagram of SAR. It uses Bisection method to keep or alter the bit for set or reset.…

Q: Explain disadvantages of ASK modulation system.

A: In this question we will write disadvantages of ASK modi karoon system......

Q: Detail the operation of a Variational Autoencoders (VAE). How does this compare to a standard…

A: We will refer the concept of VAE and AE .  Then will compare among them and finally we will derive…

Q: Describe the purpose of multiplexing in an explain the advantages of multiplexing. optical…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again. The…

Q: а) Angle modulation is categorised as either Frequency Modulation (FM) or Phase Modulation (PM)…

A: Angle modulated is categorised as either Frequency Modulation(FM) or Phase Modulation (PM) depending…

Q: 3. Explain the benefit of using IF stage in super heterodyne receivers.

A: Super heterodyne receiver is also known as beat receiver, this receiver consist a oscillator which…