Presentation on bipolar encoding
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This presentation discusses different types of digital to digital encoding, focusing on bipolar encoding. It defines bipolar encoding as using three voltage levels (positive, negative, zero) to represent binary digits, with alternating positive and negative voltages representing alternating 1s. It then describes three popular types of bipolar encoding used in data communications: AMI, which uses a zero voltage to represent 0 and alternating voltages for alternating 1s; B8ZS, which substitutes the pattern when eight consecutive 0s occur based on previous digit polarity; and HDB3, which substitutes the pattern when four consecutive 0s occur based on previous digit polarity and number of 1s since last substitution.
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THE GRAY CODE{Image in Ppt}
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W6_Ch5_Signal Encoding.pdf
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04 digital transmission
Digital Transmission, Digital-to-digital conversion, analog-to-digital conversion, transmission modes.
Lecture5 Chapter1- Binary Codes.pdf
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Unit 4
This document discusses digital-to-digital conversion techniques for transmitting digital data, including line coding, block coding, and scrambling. It describes line coding as the process of converting digital data to digital signals. Common line coding schemes include NRZ-L, NRZ-I, RZ, Manchester, and AMI. Block coding and scrambling may also be used and involve techniques like B8ZS and HDB3. Digital data can be transmitted serially or in parallel, with serial transmission divided into asynchronous, synchronous, and isochronous modes.
Line Coding.pptx
Line coding refers to converting digital data into digital signals for transmission. There are several characteristics line coding schemes should have, such as low complexity, noise tolerance, no DC component, error detection capability, and self-synchronization. Common line coding techniques include unipolar, polar, and bipolar coding. Specific techniques discussed include non-return to zero (NRZ), return to zero (RZ), Manchester, and differential Manchester coding. These techniques vary in their voltage levels, presence of a DC component, synchronization capabilities, and bandwidth requirements.
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Presentation on bipolar encoding
- 1. Presentation on Bipolar Encoding Presented By Saddam Hussain 29 Ravi Kr Singh 27 Abul Khair Bobita Kanu Sukonya Sharmah
- 2. Contents What is Encoding Different conversion techniques Digital to digital encoding diagram Types of digital to digital encoding Bipolar Encoding Types of Bipolar Encoding AMI B8ZS HDB3
- 3. Information must be encoded into signals before it can be transported across communication media. We must encode data into signals to send them from one place to another. Encoding:
- 5. Digital to Digital Encoding
- 6. Types of Digital to Digital Encoding Digital to digital encoding consist of three types
- 7. Bipolar encoding uses three voltage levels: positive, negative and zero. The zero level is used to represent binary 0 positive and negative voltages represent alternating 1s. (If 1st one +ve, 2nd is -ve). * Three types of bipolar encoding are popular use by the data communications industry: AMI, B8ZS, and HDB3 Bipolar Encoding
- 8. Types of Bipolar Encoding
- 9. AMI means alternate 1 inversion. A neutral, zero voltage represents binary 0. Binary 1s are represented by alternating positive and negative voltages Bipolar Alternate Mark Inversion (AMI)
- 11. In B8ZS, if eight 0s come one after another, we change the pattern in one of two ways based on the polarity of previous 1. Bipolar 8-Zero Substitution (B8ZS)
- 12. B8ZS Encoding
- 13. In HDB3 if four 0s come one after another, we change the pattern in one of four ways based on the polarity of the previous 1 and the number of 1s since the last substitution High-Density Bipolar 3 (HDB3)
- 14. HDB3 Encoding
- 16. Thank You