Q3: A) In a binary PCM system, the output signal -to- quantization ratio is to be hold to a minimum of 40 dB. If the message is a signal tone with fm-4KHZ Determine: i) The number of required levels. ii) Minimum required system bandwidth.
Q: For a FM system, the maximum freq deviation is 75 kHz and the maximum freq of the info. signal is 10…
A: According to Carson's formula, the bandwidth (B) of a frequency modulated system can be expressed as
Q: (a), What is the basic. “limitation of SSB modulation scheme?. How is it climinated by VSB…
A: Limitation of SSB modulation scheme It requires complex receiver The generation of SSB modulation…
Q: 5- Design a BCD to 7 segment display decoder cct using NAND gate?
A:
Q: There exist several methods to perform AM demodulation, consider a requirement where we intend to…
A: Synchronous AM demodulation provides some significant improvements over the simple diode detector.…
Q: 06- A baseband signal varies between -2 and 12 Volts is to be transformed to binary digital form,…
A: Given : The question they have mentioned a baseband signal having the the amplitude variation from…
Q: What is the processing gain in a DSSS system with a 1.5-MHz channel and a data rate of 20 kbps?
A: In Direct sequence spread spectrum the pseudorandom code which occurs at fast rate can increases the…
Q: Q3)b) For Noiseless AWGN channel, show that : maximum channel capacity Cmax = 1.44 2 bps?
A: According to the question, we need to prove that the maximum channel capacity for AWGN is Cmax=1.44…
Q: rite a short note on quadra
A: Quadrature amplitude modulation : Quadrature amplitude modulation is also known as QAM it is the…
Q: What is the purpose of the Enable line in a multiplexer
A: Multiplexer also known as data selector.
Q: 2. With neat diagram explain the construction and working principle of Encoder.
A:
Q: 17.1 What are the keys to a successful mixed-signal PCB layout?
A: Types of PCB Single layer PCB Multi Layer PCB High frequency PCB Double layer PCB HDI layer PCB…
Q: Q3) A baseband signal varies between -2 and 12 Volts is to be transformed to binary digital form,…
A: Bit rate Rb=n fs 56 kb=n14 KHz n=4 bits(a) No of quantisation levels = 2n=24=16 levels
Q: Q1:make a comparison between PAM and PPM?
A: Given : Note : It is a kind notice that according to the guidelines of the company is supposed…
Q: 1. Describe the operation theory of FM modulation.
A: Brief description : Note : According to the guidelines of the company if the questions are of…
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 difference between UTP and STP cables, show diagrams?
A: The differences between the UTP and STP cables are listed in the table shown below: UTP cables…
Q: - Design 3x8 decoder at active high using Enable line at active low?
A:
Q: Q1/ Draw block diagram for AM modulation? Q2/ Draw block diagram for AM demodulation? Q3/ What are…
A: "Since you have posted a question with multiple sub parts we will solve first three subpart for you…
Q: (b) In an FHSS system, a hopping bandwidth of 120 MHz and a frequency spacing of 12 kHz is used.…
A: b) Given that, In a Frequency Hopping Spread Spectrum (FHSS) system has hopping bandwidth of 120MHz…
Q: 17,4 How many reference planes are needed for a mixed-signal PCB? a
A: For a mixed-signal PCB, the system would have a single reference plane. If the system will have more…
Q: Q.4. Draw and show the BPSK modulation waveform for the given binary data sequence "1,1,0,0", and…
A: Binary Phase Shift Keying (BPSK): The phase of the carrier wave is modulated by the binary symbols…
Q: Q/ (A) - A binary PAM wave is to be transmitted over a baseband channel with an absolute maximum…
A: Given for binary PAM Bandwidth BW=75kHz bit rate TB=10 usec
Q: * ?Q3. When does over-modulation occur Modulating signal voltage Carrier voltage O O Modulating…
A: We are authorized to answer one question at a time, since you have not mentioned which question you…
Q: Contrast the advantages and disadvantages of digital transmission.
A: Advantages of digital transmission are, It provides immunity towards the noise. These signals are…
Q: Draw a circuit diagram of a 2 bit NOR decoder. Show and explain which line Will be address is 10.
A:
Q: Q3/ Twenty-four voice signals are sampled uniformly and then have to be time division multiplexed.…
A: We need to find out the bandwidth and sampling frequency for given system .
Q: 1- Explain the principle of direct method generation of FM signal.
A: The explanation is as follows.
Q: CWhat are the Q- point values of IC,VCE?
A: The solution can be achieved as follows.
Q: Show that the distance between two signal points of BPSK scheme is 2√??
A:
Q: Draw the signal constellation that used the QAM defined by the following table given below
A:
Q: Describe clearly the working of Super heterodyne receiver with a neat sketch and also write down the…
A: WORKING OF SUPER HETERODYNE RECEIVER: The Super heterodyne receiver is utilized in many types of…
Q: In a binary PCM system, the output signal-to-quantizing-noise ratio is to be held to a minimum value…
A:
Q: 2. With neat diagram explain the construction and working principle of Encoder
A: Fig: Diagram of encoder
Q: Exxplain the rellation between BER and E/N_0, where E is the energy per bit, N_0 is the noise…
A: In the digital communication, the normalized signal to noise ratio per bit is given as:
Q: Explain how a priority encoder works
A: A priority encoder is a circuit or method that reduces the number of outputs from numerous binary…
Q: Write a VHDL code for 4:1 multiplexer using conditional concurrent signal assignment
A: entity mux4to1 is port(A,B: in std_logic; CD : in std_logic_vector(1 down to 0), F: out std_logic);
Q: In digital design, how important are priority encoder, decoder, and multiplexer circuits? Give 3…
A: According to the question, we need to discuss the importance of the priority encoder, decoder, and…
Q: 4. Explain the benefit of using IF stage in super heterodyne receivers.
A: In super heterodyne receivers we use IF stage here are the benefits for this
Q: Define the following concepts a. Positive modulation percentage b. Modulation efficiency c. Signal…
A: A. Positive modulation percentage - The positive modulation percentage can be calculated by…
Q: HW 3 What is aliasing phenomenon, and what is it's effect on the data recovery in DCS, show how can…
A: Aliasing phenomenon that occurs during the improper sampling process. It is also the process of…
Q: A baseband signal varies between -2 and 12 Volts is to be transformed to binary digital form, what…
A: Given : In the given question they have mentioned a baseband signal which is ranging between -2 to…
Q: 19. For the circuit shown in Figure B19a, Ve 20V Rc=3k2 RB=10k2 VCE Vas-3V Figure B19a Sketch the DC…
A:
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: What is the main disadvantage of linear delta modulation? What is the solution for this problem?…
A: There are generally two disadvantages of linear delta modulation, and these are in step-2.
Q: 4. How to use the PLL circuit and the logic circuit to comprise a doubler frequency circuit?
A: PLL circuit : PLL circuit is known as phase locked loop circuit it is an electronic circuit which is…
Q: 1. What is the B.W of AM? 2. Give the significance of modulation index? 3. What is mean by over…
A:
Q: what do you mean by term parity of a digital world ?
A: In digital world, parity is a technique that checks whether the data is lost or written over when it…
Q: What is an encoder?
A:
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- Explain the relationship between Id and Vds of Mosfet ?3/ A Digital Analog Converter of 12 Bits of Precision is available A/ Determine the signal to the system's peak noise ratio B/ If the signal is sampled at 44 kHz. What is the bits rate generated by the system? C/ Determine the required bandwidth if I wanted to transmit this data with a modulator 16-QAM.Q1:make a comparison between PAM and PPM? Q2: Draw a map of Pluse modulation types? Q3: How to generate the PPM?
- In a PCM system, channels of 3 KHz bandwidth are used. If the uniform quantizer has 128 number of levels, then what will be the channel capacity?Explain by block diagram and equations the PLL method of Demodulating FMWrite a VHDL code for 4:1 multiplexer using conditional concurrent signal assignment
- AC analysis: The signal source is ??(?)=5sin?? mV. The transistor parameters are β = 120 and VA = ∞. (a) (i) Design the circuit such that ??? = 0.25 mA and ???? = 3 V. (ii) Find the small-signal voltage gain ??=????⁄. (iii) Find ??(?). (b) Repeat part (a) for RS = 0.How to critical analyse output characteristics of transistor? Please answer in typing formatIn a binary PCM system with uniform distribution signal, the average output signal-to-quantization-noise ratio is to be held to a minimum of 43 dB. Determine the number of required quantized levels when using (M - law).