Let the data stream 1001011101 to be the input sequence of a differential encoder. Assume that the reference digit is binary 0. Find differentially encoded data stream that can appear at the output. Also show that error propagation can not occur by decoding the encoded data stream.
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Solved in 3 steps with 4 images
- a) Convert the PCM binary sequence 1101000101 to NRZ(M) encoding and sketch the ASK and PSK waveform produced by the resulting code on the carrier shown.b) what would be the transmitted sequence if 'even' parity is used?In a digital communication, explain all the methods/mechanism used for the minimization of Bit Error Rate (BER). Also state that which method/mechanism is preferred and why?We need to use synchronous TDM and combine 20 digital sources, each of 100 Kbps. Each output slot carries 1 bit from each digital source, but one extra bit is added to each frame for synchronization. Answer the following questions: (a)What is the size of an output frame in bits? (b)What is the output frame rate (frame/s)? (c)What is the duration of an output frame? (d)What is the output data rate? (e)What is the efficiency of the system (ratio of useful bits to the total bits).
- Observe the encoded binary signal. What type of Line Encoding format was used for the binarysequence 10010?Q: Show, how to use the ROM circuits to multiply two binary numbers each of two bits.(DSD)1/ A 4 MHz analog signal is to be converted to a binary signal (PCM). If the signal to peak quantization noise ratio should be at least 30 dB: a/ What is the size of the code word? b/ What is the system rate in bits per second if sampled at the Nyquist rate?
- Consider two microprocessors having 8-bit and 16-bit wide external data buses, respectfully. The two processors are identical otherwise and their bus cycles are the same speed. Suppose all instructions and operands are two Bytes. By what factor do the maximum data transfer rates vary? Suppose all instructions and operands are one Byte. By what factor do the maximum data transfer rates vary? Discuss your answers.For a CD audio system, the analog signal is digitized such that the signal to quantization ratio is maintained at least 96dB. The sampling is performed at 44100Hz. a) What is the minimum number of quantization levels required to attain the given signal to quantization noise ratio?b) How many bits per sample are required when levels are identified in part a)?c) Identify the data rate in bits/s for the system.S Display will be designed for a thermometer. The display will show that degree for minimum temperature and 99 degrees for maximum temperature. According to this; a) What is the number of bits that will be needed in the binary code to express the temperature? b) What are the binary, octal and hexadecimal equivalents of 95 degrees? () What is the BCD representation of 95 degrees? d) What is the hex equivalent of this temperature when it shows 111 degrees octal? e) If the thermometer showed a temperature between -99 and +99 degrees, how many bits would we need?
- 1a. If an 8-bit binary number is used to represent an analog value in the range from 010 to 10010, what does the binary value 011001002 represent? 1b. If an 8-bit binary number is used to represent an analog value in the range from 32 to 212, what is the accuracy of the system? In other words, if the binary number is incremented by one, how much change does it represent in the analog value?Discuss the major differences between analog and digital data acquisition. How do the number of bits in the ADC register and the dwell time affect the results? How are quantization errors minimized? What is a signal/noise ratio? How can SNR be optimized?Draw the implementation of decoding of binary state 5, and binary state 3 for a 3- bit synchronous binary counter. Show the entire timing diagram and the output waveforms of the decoding gates.