(b) Draw the complete block diagram of the inverse of eight point FFT (Decimation in Frequency) and put the sequences of its input and output signals with all required parameters. (Calculate the values of twiddle factors).
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…
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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: B. Write a VHDL code for designing (2-to-1) 1-bit Multiplexer using an TI statement.
A: Let input to mux are i0,i1 Select line is s Output y
Q: Why is the FM modulation index important?
A: Problem on FM from communication. Below is the explaination..
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: Why does base bias produce such an unstable Q point?
A: According to the question we have to discuss, why does base bias produce such an unstable Q point?
Q: 1. Derive a Boolean expression for the following digital circuit -
A: Given digital circuit,
Q: Q1: Plot a BPSK signal for the bit stream data 1010101101, assume that the frequency of signal is…
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) What does tdi and ta2 represent in Pulse signal transmission lines experiment? What is the…
A: It is asked the names of td1 and td2 in pulse signal transmission lines experiment. Also we need to…
Q: Why do we prefer SSB transmission? Explain the advantages give formulas and numerical example.…
A: In SSB Transmission, Noise present in the signal is less as compared to DSB transmission as well as…
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: Explain why we need both Analogy as well as Digital signals? Also elaborate the process of…
A: The continuous range of the values is used by the analog signals, which show the information…
Q: A flood frequency analysis is conducted for the given random variable, x= annual maximum discharge…
A: Flood frequency analysis is the analysis by which flood discharge magnitude Q is equal to the…
Q: Explain information regarding Discrete Signal
A: A discrete sign or discrete-time signal is a period series comprising of a grouping of amounts.…
Q: Determine the following if the mark frequency of 50 kHz, a space frequency of 54 kHz, and an input…
A: For the given FSK system we need to find, the peak frequency deviation, minimum bandwidth baud for…
Q: Explain the Base Width Modulation effect.
A: Base width modulation is also known as early effect . The decrease in effective base width with…
Q: (a) Explain how the Nyquist stability criterion can be used to determine the
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
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: 6.27 (a) Sketch the waveforms of the in-phase and quadrature components of the MSK signal in…
A:
Q: On the diagram below, depict how the bit stream '01100011 would be represented using Bipolar NRZ…
A: According to the question, we need to draw Bipolar NRZ for the given stream 01100011.
Q: The binary sequence 11100101 is applied to an ASK modulator. The bit duration is 1 the sinusoidal…
A: For ASK ,
Q: When an analog signal with infinite amplitude possibilities is quantized and is given a 5-bit PCM…
A: Given, number of bits to represent each analog value (n) =5 (Since mentioned 5-bit PCM)
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: are specifications of Digital modulation techniques?
A: Digital Modulation Techniques. It is the kind of process in which encode a digital information…
Q: In the figure below, an x(t) signal varying between +- 1.6 V is split into 8 quanta levels and…
A: Given : Note : It is the kind notice that according to the guidelines of the company, if the sub…
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: CWhat are the Q- point values of IC,VCE?
A: The solution can be achieved as follows.
Q: Q4: Show how to PSK modulate and demodulate the data sequence (01101). Assign two full cycles of…
A: 4. Given, PSK modulator has Input data sequence = 01101 Number of cycles of carrier for each data…
Q: In a binary PCM system, the output signal-to-quantizing-noise ratio is to be held to a minimum value…
A:
Q: Q4. Consider the QPSK digital modulation scheme (a) What does the abbreviation QPSK stand for? (b)…
A:
Q: Explain with the aid of equations the following: How to improve the SNqR in the PCM system?
A:
Q: Q7: An analog signal is quantized and transmitted by using PCM system. If each sample at the…
A: Let 2mp ne the peak to peak value of the signal. The peak error is 0.0052mp=0.01mp The peak to peak…
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: 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: An analog signal with a bandwidth of 4.2 MHz is to be converted into binary PCM and transmit- ted…
A: Given values are -
Q: What is meant by resolution? How is it related to the accuracy of ADC?
A: ADC- Converting analog signals to digital signals in applications called aural ADCs, such as digital…
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: A) setup a scheme for accomplishing this multiplexing requirement B) what must be the speed of the…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
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: Q\ What is the VSB modulation? and why it used? and how it can be generated?
A:
Q: Draw a TDM signal which is handling three different signals using PWM?
A: We need to draw TDM signal which is capable of handling three different signals using PWM.
Q: Determine the maximum bit rate and baud for a BPSK modulator with a carrier frequency of 50 MHz and…
A: For a BPSK, the number of symbols M=2. Hence bit rate Rb and Baud rate Rs are same for BPSK.…
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- 3. What happens if the inverting & non-inverting i/p of the comparator interchanged? 4. Are there any limitations of such a vCO? Explain 5. Explain how a sine wave can be generated from such a VCO circuit. 6. List some applications for such a Vco.a. What is the condition for over modulation and what are its effects? b. Name the frequencies generated in the output of an Amplitude Modulator.1)to VRMs value to generate a signal with a peak voltage of 10 V with a signal generator in a multisim program..................... must be entered. 2)) the frequency of the signal generator to produce a signal with a period of 10ms...................... must be entered as. What should come to the dotted line?
- Explain the concept of mixed-signal microchips and their importance in interfacing between analog and digital components in electronic systems.Construct MOD 12 asynchronous counter. What will be the output frequency, if the input frequency is 1 MHz. If the counter is at state 6, what will be the count after 60 pulses.In ADC circuit ,the input will be ........... signal.
- Assuming that a certain ASM chart has 5 states, the size of each multiplexer required to implement this circuit using the multiplexer design approach should be: Select one: O a. Four to one. O b. Eight to one. O . None of the given. O d. Two to one.What is the problem with AM signal when overmodulation occurs?c) What does the ASYNC input to the 8284A accomplish?
- VHDL Testbench Generate the following waveforms as part of a VHDL testbench using multiple processes. Note that cntr, and en signals are periodic signals and din and rst are not. Assume each time division is 10 ns. The ... represents the repeating pattern. Write your testbench as a parameterized waveform based on the parameter TD = 10 ns.For the signal flow graph of the given figure, consider the following statements 1. It has three forward paths 2. It has three individual loops 3. It * has two non touching loops Out of above the correct statements areFor the C.R.O. square voltage waveform shown in Figure determine (a) the periodic time, (b) the frequency and (c) the peak-to-peak voltage. The 'time/cm' (or timebase control) switch is on 100 us/cm and the 'volts/cm' (or signal amplitude control) switch is on 20V/cm.