JPS6416029A - Identifying circuit - Google Patents
Identifying circuitInfo
- Publication number
- JPS6416029A JPS6416029A JP17088387A JP17088387A JPS6416029A JP S6416029 A JPS6416029 A JP S6416029A JP 17088387 A JP17088387 A JP 17088387A JP 17088387 A JP17088387 A JP 17088387A JP S6416029 A JPS6416029 A JP S6416029A
- Authority
- JP
- Japan
- Prior art keywords
- inter
- code interference
- interference variable
- circuit
- identification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
PURPOSE:To improve the identification margin independently of an inter-code interference variable by detecting the inter-code interference variable so as to set an optimum identification level in response to the inter-code interference variable. CONSTITUTION:The circuit comprising an inverter 15 and an AND circuit 16 detects the data zero state and an amplifier 4 is used to obtain the inter-code interference variable superimposed on the zero level. The value is converted into a DC by an integration circuit 11 and a limiter 12 limits the maximum value (MAX). Then the output of the inverting circuit 13 controls the comparators 2, 3 and the threshold level of the comparators 2, 3 is identified as 50% with respect to the peak when the inter-code interference variable is zero and it is changed by the inter-code interference variable. Thus, even when the inter-code interference variable is large, accurate identification is applied and the identification margin is increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17088387A JPS6416029A (en) | 1987-07-10 | 1987-07-10 | Identifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17088387A JPS6416029A (en) | 1987-07-10 | 1987-07-10 | Identifying circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6416029A true JPS6416029A (en) | 1989-01-19 |
Family
ID=15913080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17088387A Pending JPS6416029A (en) | 1987-07-10 | 1987-07-10 | Identifying circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6416029A (en) |
-
1987
- 1987-07-10 JP JP17088387A patent/JPS6416029A/en active Pending
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