Q7. For the following modulation schemes, construct a table showing the number of bits encoded, number of output conditions, minimum bandwidth, and baud for an information data rate of 12kbps: QPSK, 8-PSK, 8-QAM, 16-PSK, and 16-QAM.

Q: realize the function ? = ∏?(0,1,5,7) using a decoder with inverted outputs

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Q: Consider Sending abase ontwitth f 20k HZ by pulse Code modulation , The penk li512adDekrmine bit…

A: It is given that: B.W.=20 KHz=20000 HzVp=5 VNo. of levels=l=512

Q: Given the following binary bit stream, draw the corresponding signal after applying the following…

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Q: A binary source emits data at a rate of 256 Kbits/s. BPSK modulation is considered. Determine the…

A: According to the question, for the BPSK modulation data rate = 256 Kbits/sec, N0= 10-8 W/Hz, bit…

Q: How many 1*2 Decoders are required to design 4*16 Decoder? * 10 15

A:

Q: Q7/A low pass signal of 3 kHz bandwidth and amplitude over -5 Volts to +5 Volts range is sampled at…

A: Low Pass Filter: A low-pass filter (LPF) is a circuit that only allows signals below its cutoff…

Q: An AM single tonc modulated signal has a minimum peak envelope power of 154 and a maximum. envebée…

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Q: The clock select register for channel A in an MC68681 DUART has bits 0 through 3 set to 0, 0, 0, and…

A: For the bits in clock register of the 0, 0, 0, 1 signal, the baud rate will be 2400.

Q: For the above given signal each bit is separated by a vertical line. If duration of a bit is given…

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Q: 42.) Output data ratio of an 8-bit PCM-TDM system sampling 24 voice channels, comparing these using…

A: Given a PCM-TDM system with, Number of bit, n = 8 Number of voice channel, N = 24 Frequency rate, fS…

Q: A binary source emits data at a rate of 256 Kbits/s. BPSK modulation is considered. Determine the…

A:

Q: A binary data stream needs to be transmitted at 4 Mbit/s by means of binary signaling. To reduce ISl…

A: The pulse rate for this system is given by, 1T=2fB1+r where, fB=bandwidth1T=Data Rater=roll-off…

Q: (b) Pulse Code Modulation (PCM) transforms analogue signals into binary digits where it has to be…

A: Given:  Pulse Code Modulation (PCM) transforms analog signals into binary digits where it has to be…

Q: H.W: Compute the binary code word values for the amplitudes 0.4 V and 0.78 V, then compute the…

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Q: Five messages band-limited to W, W, 2W, 4W, and 4W Hz, respectively, are to be time division…

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Q: For simplicity, let's assume that a voice channel has an 8-kilohertz bandwidth. It is necessary to…

A: We need to find out bandwidth for given FDM system .

Q: Example 6 Four channels are multiplexed using TDM. If each channel sends 100 bytes/s and we…

A: Given here a TDM Based question and asked to fine the frame size, duration of the frame, frame rate,…

Q: Given the quantization levels in the following figure, write down the PCM output levels (for t-0-4…

A: Given: The quantization levels in the following figure is shown below: Sign bits: + is 0, - is 1.…

Q: Question 1g: Determine the signed magnitude binary encoding of the number 11

A: The solution can be achieved as follows.

Q: نقطتان )2) Q7/ The minimum decoders using to design 6- to-64 decoder are

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Q: Create the gray code representation of the following binary numbers. i) 01011 ii) 10110 iii) 01101…

A: Here all the questions are from different topics. So we are bound to solve only one. Please ask the…

Q: Draw constellation diagram of 8-QAM modulation?

A: CONSTELLATION DIAGRAM: 1. When dealing with multilevel ASK(Amplitude Shift Keying),  PSK (Phase…

Q: Two M-QAM modulation schemes, 16-QAM and 64-QAM, having equal error performance (i.e same value of…

A: Given, for 16 QAM system,SNR=10 dB Formula:SN=EbN0×fbBWhere,fb=Data rate of the channel.B=Bandwidth…

Q: A binary CP-FSK receiver observes the following phases: 0,3π/4,37π/2, π/4, π,7π/4, π, π/4 What is…

A: It is given that: 0,3π4,3π2,π4,π,7π4,π,π4

Q: Two channels, one with a bit rate of 100 Kbps and another with a bit rate of 200 Kbps, are to be…

A: The bit rate of the first channel is 100 kbps. The bit rate of the second channel is 200 kbps.  For…

Q: For the above given signal each bit is separated by a vertical line. If duration of a bit is given…

A:

Q: Q10/To design 7- to-128 decoder must using * 4( 2- to- 4 decoder) with active low enable

A: To design 7-to-128 decoder Determining the number of 3-to-8 decoder required to design 7-to-128…

Q: How many OC signals are used in a SONET network with a 622.08 Mbps line rate? A. 8064 B. 4 C. 12 D.…

A: The solution is given below

Q: 14- For a certain gate, IPLH =3 ns and tpHL 2 ns. What is the average propagation delay time? %3D…

A:

Q: What is the value of RC for an 8-bit single-ramp ADC with VFS = 5.12 V, VR = 2.000 V, and fC = 1…

A: Given VFS=5.12 VVR=2.000 VfC=1 MHz Calculating full scale voltage VFS=-VOS+VRRCtC

Q: A message signal x(1) is normalized to peak voltages of ±1 V. The average message power equals 20…

A: There are two different questions. We are answering the first question (A and B); please repost your…

Q: The operating point of a quadrature amplitude modulation QAM256 system is shown. This is a standard…

A:

Q: How many OC signals are combined into a 40 Gbps SONET network

A: D) 516096 From table 39813.12 Mbps i.e 40 Gbps the number of OC signals/channels combined are 516096

Q: In 802.11a OFDM, how do the following factors influence the transmission speeds: coding rate, coded…

A: According to the question, we need to discuss the 802.11a OFDM scheme.

Q: mine the number of bits per level required when using FSK with 4 alffere frequencies and QAM with a…

A: It is given that: FSK with 4 different frequencies QAM with a constellation of 256 points

Q: Q4. Consider the rectangular 16-QAM (quadrature amplitude modulation) digital modulation scheme (a)…

A: (a) Hence we have the constellation diagram as :

Q: Q4/ A PCM system uses a uniform quantizer followed by a 7-bits binary encoder. The bit rate of the…

A:

Q: (o11 An analog signal with a bandwidth of 4.2kHz is to be converted into binary PCM and transmitted…

A:

Q: 1. Consider the binary sequence b- [10010). Let the bit rate R, be 1 kbps and let the peak amplitude…

A:

Q: a) Answer the following questions in more than two lines. i) What type of signals do a WDM use?…

A: FDM, TDM, and WDM are types of analog and digital multiplexers.

Q: A message in the form of picture of (300x400) samples is transmitted using 6-ary binary PSK of 512…

A: Given 6 ary binary PSK, Message sample = 300×400 Number of symbol, M = 6 Number of level, L = 512…

Q: Sketch psd of ASK, PSK and FSK for binary data 10010. Assume Rb is 1 V and frequency is 5KHz for…

A: Given : Binary data- 1 0 0 1 0  Peak Amplitude = 1 V Bit rate (Rb) =  1Kbps Carrier frequency for…

Q: You are given the following curve. If the signal to noise ration is 8dB per bit and 16-QAM is used…

A: Since your question doesn't require any calculation because it's a very specific kind of question…

Q: Q19: A FDM system uses SSB – SC modulation and AM main carrier modulation. There are forty (40)…

A:

Q: 1. State the advantages and disadvantages of the DSB-SC modulation.

A: Advantages  of the DSB SC modulation are 1. It has 100% modulation efficiency. 2. It use less power…

Q: b) Determine the bit-error probability for each the following two modulation schemes: Coherent 8-ary…

A: According to the question we have to find the value of bit-error probability for each given…

Q: H.w: Design a (5x32) decoder using 3x8 decoders with enable,

A: A combinational circuit is one in which the various gates in the circuit, such as the encoder,…

Q: B) Twenty four speech signals are TDM-PAM transmitted, find minimum sample rate at the channel and…

A: Given, In a TDM-PAM transmission, The number of speech signals(N) = 24

Q: -In an FM, system a 7 kHz modulating (or baseband) signal modulates 167 iz carrier wave so that the…

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