Output data ratio of a 8-bit PCM-TDM system sampling 24 voice channels, comparing these using μ -law at the rate of 8 kHz and with a I frame alignment word, is ?
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Output data ratio of a 8-bit PCM-TDM system sampling 24 voice channels, comparing these using μ -law at the rate of 8 kHz and with a I frame alignment word, is ?
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- 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 258An analog signal having a maximum frequency of 10 kHz is being transmitted through a PCM system with a uniform quantizer having 256 levels. What will be the minimum transmission bandwidth of the transmitted PCM signal?
- The information in an analog waveform, whose maximum frequency fm-D4000HZ, is to be transmitted using a 16-level PAM system. The quantization must not exceed +1% of the peak-to peak analog signal. (a) What is the minimum number of bits per sample or bits per PCM word that should be used in this system? (b) What is the minimum required sampling rate, and what is the resulting bit rate? (c) What is the 16-ary PAM symbol Transmission rate?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 8bit PCM uses mu law companding with mu=100. Calculate the signal to quantization noise ratio?
- 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?3/ 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.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.
- (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?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?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?