Discuss how the original signal can be recovered perfectly from the output of the decoder. What are the advantages of PCM system over the other types of modulation systems?
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- Discuss how the original signal can be recovered perfectly from the output of the decoder.
- What are the advantages of PCM system over the other types of modulation systems?
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- Discussion: 1. What are the advantages of PCM system over other types of modulation systems? 2. What are the types of representing binary numbers? 3. The central operation in the generating PCM is the Digital to Analog (A/D) converter. Describe briefly the several techniques that are used in success system. 4. What is meant by the Quantization Partition and Quantization Codebook? 5. Discuss the obtained results.How is Pulse Width Modulation (PWM) useful in microcontroller applications?1. What are the advantages of PCM system over other types of modulation systems? 2. What are the types of representing binary numbers? 3. The central operation in the generating PCM is the Digital to Analog (A/D) converter. Describe briefly the several techniques that are used in success system. 4. What is meant by the Quantization Partition and Quantization Codebook? 5. Discuss the obtained results.
- 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.What is the effect of over-modulation on the output signal? How one can avoid the over- modulation case?Explain the concept of pulse-width modulation (PWM) in microcontroller programming. How is PWM used to control devices like motors or LEDs?
- . What are specifications of Digital modulation techniques?Consider error control methods in digital signal transmission. Assume Hamming code is used with even parity. (a) Assume the received code word is 1110101001, determine if the code word is correct. If no, identify the wrong bit and obtain the original data word. (b) If the analogue signal before digitalisation is of frequency from 200 Hz to 1.5k Hz. What is the lowest sampling frequency? (c) Following (a) (b), determine the bandwidth requirement for transmitting the digital message.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.
- Conversion of digital signal to analog signal is a. Modulation b. Demodulation c. Encapsulation d. BypassA.What are the different type of operations that the signal/s undergo during the Pulse Code Modulation? B.Write down the creation of Pulse Code Modulation and became the only digitally encoded modulation technique that is commonly used for digital transmission.In a PCM system, if maximum frequency of the input analog signal is 5 KHz and number of levels in the quantizer is 256. What will be bandwidth of the transmitted PCM signal?