Q2): consider a 3 kHz band limited voice signal sampled at 8000 sample/sec to betransmitted over a channel. The input variés from -3.8v to +3.8v and has averagepower of 30 mW. The required signal to quantization ratio is 20 dB.a. Determine the PCM data rate if a 32 synchronization bits are inserted every224 data bits.b. Determine the minimum required transmission bandwidth if 20 PCM codersare time multiplexcd.c. Determine the RMS value of quantization noise.

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Answered: Q2): consider a 3 kHz band limited…

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

ChapterS: Safety, Basic Electricity And Ohm's Law

Section: Chapter Questions

Problem 8RQ: What is an MSDS?

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4. The information in an analog voltage waveform is to be transmitted over a PCM system with a F 0.2% accuracy (full scale). The analog waveform has a bandwidth of 200 Hz, and an amplitude range of -5 to +5 V. determine the following: - The minimum sampling rate needed. - The number of bits needed in each PCM word. - The minimum bit rate in the PCM signal. - The minimum channel bandwidth for transmission of this PCM signal.
An analog signal with a bandwidth of 4.2 MHz is to be converted into binary PCM and transmit- ted over a channel. The peak-signal quantizing noise ratio at the receiver output must be at least 55 dB. (a) If we assume that P=0 and that there is no ISI, what will be the word length and the number of quantizing steps needed? (b) What will be the equivalent bit rate? (c) What will be the channel null bandwidth required if rectangular pulse shapes are used?
Problem 2: The information in an analog signal voltage waveform is to be transmitted over a PCM system with an accuracy of ± 0.1 % of the peak-to-peak analog signal. The analog voltage waveform has a bandwidth of 100 Hz and an amplitude range of – 10 to + 10 Volts. Determine the minimum sampling rate required. b. Determine the number of bits in each PCM word. c. Determine the minimum bit rate required in the PCM system. d. Determine the minimum absolute channel bandwidth required for the transmission of the PCM signal.
Q2/ The information in an analog signal voltage waveform is to be transmitted over a PCM system with an accuracy of ±0.1% (full scale). The analog voltage waveform has a bandwidth of 100 Hz and an amplitude range of -10 to +10 volts. Find the minimum sampling rate required. i) ii) Find minimum bit rate required in the PCM signal. Find the number of bits in each PCM word. iii) iv) Find the minimum absolute channel bandwidth required for the transmission of the PCM signal.
The information in an analog signal voltage waveform is to be transmitted over a PCM system with an accuracy of : 0.1 % of the peak-to-peak analog signal. The analog voltage waveform has a bandwidth of 43 Hz and an amplitude range of - 10 to 10 Vots. Determine the minimum bit rate fin bps) required in the PCM system? O a 688 O 774 O c 387 O d 86 Oe 258
The information in an analog voltage waveform is to be transmitted over a PCM system with a 10.1% accuracy (full scale). The analog waveform has an absolute bandwidth of 100 Hz and an amplitude range of -10 to +10 V. (a) Determine the minimum sampling rate needed. (b) Determine the number of bits needed in each PCM word. (c) Determine the minimum bit rate required in the PCM signal. (d) Determine the minimum absolute channel bandwidth required for transmission of this PCM signal.
1) Determine the bit rate and quantization step of the ADC in the sampling of analog signal with x[n] of 1.02 Vpp, sampling rate of 20 samples per second, and 8-bit binary code. 2) An analog signal is to be coded by an ADC. The signal contains significant frequencies up to 6MHz. The quantization error in any one sample value must be within ± 0.5% of the peak-to- peak amplitude range of the ADC. How many binary digits must each sample contain?
03)b) For Noiseless AWGN channel, show that : maximum channel capacity Cmax = 1.44 2 bps?
course Name: Digital Signal Processing The analog signal x(t)=2sin 480nt + 3sin 720 nt. Calculate: i. Minimum sarnpling rate to avoid aliasing. If the signal is sarnpled at = 200 MHz what is the discrete signal after sampling. iii. If the signal is sampled at = 75 Hz. What is the discrete signal after sampling.
1- Consider a PCM system for a sinusoidal signal 2 cos2л 2000t. It is desired to represent this signal such that the signal to quantization noise ratio is 20 dB. Determine: (a) Sampling frequency required. (b) The quantizing step size. (c) The number of bits per word (per sample). (d) Bit rate and bit duration. (e) The channel bandwidth needed.
1) Compared to AM, frequency modulation (FM) is known for it's: a. efficient bandwidth utilization. b. efficient noise cancellation. c. efficient against channel non-linearity. d. both b and c.
B) Twenty four speech signals the channel and minimum required bandwidth. are TDM-PAM transmitted, find minimum sample rate at

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