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4line-16line decoding circuit based on lipschitz restricting competition counting code

A technology that restricts competition counting and decoding circuits. It is applied in the field of decoding circuits. It can solve the problems of competition-adventure, the number of bit jumps is not constant, and it is inconvenient for system error correction, so as to reduce the bit error rate and improve The effect of self-correcting ability

Active Publication Date: 2013-09-11
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, since the number of bit transitions between two adjacent Gray codes is not necessarily the same, it is not convenient for the error correction of the system, and it is also easy to produce competition-adventure phenomena during input and output, which is what all digital circuit ideas try to avoid of

Method used

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  • 4line-16line decoding circuit based on lipschitz restricting competition counting code
  • 4line-16line decoding circuit based on lipschitz restricting competition counting code
  • 4line-16line decoding circuit based on lipschitz restricting competition counting code

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Embodiment Construction

[0032] Below in conjunction with accompanying drawing, the present invention will be described in further detail:

[0033] The encoding code word that the present invention adopts is as shown in table 2:

[0034] Table 2

[0035] Hexadecimal number

Constraint Competitive Counting

[0036]

B3B2B1B0

0

0000

1

0001

2

1001

3

1011

4

0011

5

0111

6

0101

7

1101

8

1111

9

1110

A

0110

B

0100

C

1100

D

1000

E

1010

F

0010

[0037] The corresponding relationship between the input and output of the decoder is shown in the following table:

[0038] table 3

[0039]

[0040]

[0041] From Table 3, the expression of decoder output can be obtained as follows:

[0042] Y0=A3'A2'A1'A0'

[0043] Y1=A3′A2′A1′A0

[0044] Y2=A3A2′A1′A0

[0045] Y3=A3A2′A1A0

[0046] Y4=A3′A2′...

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Abstract

The invention discloses a 4line-16line decoding circuit based on a Lipschitz restricting competition counting code. The 4line-16line decoding circuit based on the Lipschitz restricting competition counting code comprises 4 NOT gates and 16 four-input AND gates. 4position Lipschitz restricting competition counting code input ends are A0, A1, A2 and A3 respectively which correspond to the NOT gates one by one and output ends are Y0, Y1, Y2, Y3, Y4...Y15 respectively which correspond to the AND gates one by one. According to the 4line-16line decoding circuit based on the Lipschitz restricting competition counting code, the Lipschitz restricting competition counting code serves as a foundation, Y0 to Y15 which are output and serve as the decoding ends are regular. The decoding circuit has a characteristic sequence, the reliability of signal transmission can be improved, and meanwhile the error rate of decoding can be reduced.

Description

technical field [0001] The invention relates to a decoding circuit, in particular to a 4-16-line decoding circuit based on Li's restricted competition count coding. Background technique [0002] Decoding is the reverse process of encoding. During encoding, each binary code is endowed with a specific meaning, that is, it expresses a definite signal or object. The process of "translating" the specific meaning of the code state is called decoding, and the circuit that realizes the decoding operation is called a decoder. In other words, a decoder is a circuit that can translate the state of the input binary code into an output signal to represent its original meaning. [0003] At present, in the field of decoder design, how to restrict competition is a difficult point. In all digital encoding and decoding circuits, the 4-bit Gray code has been widely used. Gray code is commonly used at present, and the corresponding relationship between its code system and decimal numbers can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M13/15
Inventor 王刚刘芳兵赵霞董乾刘勇孙小羊陈德斌李冰胡姮菲
Owner SOUTHEAST UNIV