Output data ratio of a 8-bit PCM-TDM system sampling 24 voice channels, comparing these using u -law at the rate of 8 kHz and with a l frame alignment word, is ?
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- Output data ratio of 8 bit PCM TDM system sampling 24 voice channels, comparing these using meu law at the rate of 8 kHz and with a I frame alignment word is ?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 25823. Determine the step size for a 4-bit ADC having a range of 10V. Also, convert an analog sample of 3V into the 4-bit digits using Successive approximation method. Please show all steps/comparisons/SAR comparison rules used for each step to obtain full points.
- Output data ratio of a 8-bit PCM-TDM system sampling 24 voice channels, comparing these using u-law at the rate of 8 kHz and with a I frame alignment word, is3. Some GPS receivers use 1 bit ADCS (Analog-to-digital Converters) to sample and quantize the signal i.e. the output of the ADC is simply 2 quantization levels: -1 or +1. This is typically done to save on power. (a) What is the quantization SNR? How does it compare to typical thermal noise SNR of a GPS signal before correlating with the CDMA code? (b) Justify, how come it is possible to sample the signal using a single bit and still get good performance.(7) An analog signal with a bandwidth of 4.2kHz is to be converted into binary PCM and transmitted over a channel. The peak signal to quantization ratio at the receiver output must be at least 55dB. (a) If we assume that Pg 0 and that %3D there is no ISI, what will be the word length and the number of quantization steps needed? (b) What will be the equivalent bit rate? (c) What will be the channel bandwidth required if rectangular pulse shapes are used?
- MCQ) 5)Quantization error------: a. decreases as the bits per sample increases b. decreases as the bits per sample decreases c. decreases as the sample rate increases d. decreases as the sample rate decreases 6)The difference between the actual value of the sample and the quantized value of the sample is called: a. PAM error b. Sampling error c. Quantization error d. PCM error ThESE multiple choice question from DIGITAL COMMUNICATIONS course.just write for me the final answer.(1) In a PCM system, SN,R is to be held to minimum of 40dB. Determine the number of required quantizing levels L, and find the corresponding output SN,R. Answer: 42.14dB3. An audio CD is created by sampling analog audio signals at a rate of 44.1 ksamples/s for each. Each sample is then encoded into a 16-bit word. What is the data rate of the resulting PCM signal? Determine also the size of data (in Mega bit unit) for 1 minute PCM signal.
- 1. A) An 8-bit ADC with a reference voltage of 5V is implemented using the Counter Ramp technique. Assume the input voltage is 1.4V. How many clocks are needed to conduct a conversion? You do not need consider the sampling time. B) A 10-bit ADC with a reference voltage of 5V is implemented using the SAR technique. Assume the input voltage is 3.2V. How many clocks are needed to conduct a conversion? You do not need consider the sampling time. C) An analog signal has a maximum frequency of 300HZ, what should be the minimum sampling rate of the ADC so that the digitized data can be used to perfectly reconstruct the original analog signal? D) For an 8-bit DAC, if Vref = 6 V, and the input code is 0×4B (01001011), what is the DAC output voltage? E) A 8-bit ADC has a reference voltage of 6V. What is the max quantization error?Analyze FFT-DIT for a sequence of x(n) = {8 1 4 5 6}. Sketch the FFT structure andlabel all signal in detail in the structure.please refer to the solution(image) given and answer for my given value3/ An analog signal is converted to a binary PCM signal and transmitted over a band-limited channel at 100 kHz. band-limited channel at 100 kHz. Thirty-two quantization levels are used. a/ Calculate the maximum bit rate that can be transmitted. b/ Calculate what is the maximum bandwidth that the analog signal can have.