JPS63163028U - - Google Patents
Info
- Publication number
- JPS63163028U JPS63163028U JP5462887U JP5462887U JPS63163028U JP S63163028 U JPS63163028 U JP S63163028U JP 5462887 U JP5462887 U JP 5462887U JP 5462887 U JP5462887 U JP 5462887U JP S63163028 U JPS63163028 U JP S63163028U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- edge detection
- edge
- waveform
- digital signal
- 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.)
- Granted
Links
- 238000003708 edge detection Methods 0.000 claims description 15
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Manipulation Of Pulses (AREA)
Description
第１図は本考案に係る信号波形のエツジ検出回
路の第１の実施例の構成を示す回路図であり、第
２図は上記信号波形のエツジ検出回路の第１の実
施例における各部分の信号波形を示す波形図であ
る。第３図は上記信号波形のエツジ検出回路の第
３の実施例における入力信号とエツジ検出信号の
波形の例を示す波形図である。第４図は従来の信
号波形のエツジ検出回路における入力信号及びエ
ツジ検出信号の例を示す波形図であり、第５図は
従来の信号波形のエツジ検出回路におけるノイズ
の多い入力信号によるエツジ検出信号の例を示す
波形図である。
FIG. 1 is a circuit diagram showing the configuration of a first embodiment of the signal waveform edge detection circuit according to the present invention, and FIG. 2 shows each part of the first embodiment of the signal waveform edge detection circuit according to the present invention. FIG. 3 is a waveform diagram showing signal waveforms. FIG. 3 is a waveform diagram showing an example of the waveforms of the input signal and edge detection signal in the third embodiment of the edge detection circuit for the above signal waveform. FIG. 4 is a waveform diagram showing an example of an input signal and an edge detection signal in a conventional signal waveform edge detection circuit, and FIG. 5 is an edge detection signal due to a noisy input signal in a conventional signal waveform edge detection circuit. FIG.
Claims (1)
号のエツジをクロツク信号を基準として検出し、
それにより得られるエツジ検出パルスを有するエ
ツジ検出信号を出力するデイジタル信号のエツジ
検出回路において、 少なくとも上記デイジタル信号のエツジが連続
する２クロツクに亘つて検出される場合のエツジ
検出パルスを上記エツジ検出信号から除去して最
終的なエツジ検出信号を得ることを特徴とする信
号波形のエツジ検出回路。[Claims for Utility Model Registration] Detecting the edges of a digital signal obtained by waveform shaping an input signal using a clock signal as a reference,
In a digital signal edge detection circuit that outputs an edge detection signal having an edge detection pulse obtained thereby, the edge detection pulse when an edge of the digital signal is detected over at least two consecutive clocks is used as the edge detection signal. A signal waveform edge detection circuit characterized in that a final edge detection signal is obtained by removing an edge from a signal waveform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987054628U JPH0727695Y2 (en) | 1987-04-10 | 1987-04-10 | Edge detection circuit for signal waveform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987054628U JPH0727695Y2 (en) | 1987-04-10 | 1987-04-10 | Edge detection circuit for signal waveform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63163028U true JPS63163028U (en) | 1988-10-25 |
| JPH0727695Y2 JPH0727695Y2 (en) | 1995-06-21 |
Family
ID=30881796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987054628U Expired - Lifetime JPH0727695Y2 (en) | 1987-04-10 | 1987-04-10 | Edge detection circuit for signal waveform |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0727695Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015231135A (en) * | 2014-06-05 | 2015-12-21 | ローム株式会社 | Clock transfer circuit, semiconductor integrated circuit and data delivery method |
| WO2021199955A1 (en) * | 2020-03-31 | 2021-10-07 | 株式会社デンソー | Pulse edge detection circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57124928A (en) * | 1981-01-26 | 1982-08-04 | Victor Co Of Japan Ltd | Edge detection circuit |
| JPS5815320A (en) * | 1981-07-21 | 1983-01-28 | Tamura Electric Works Ltd | Edge detection circuit for signal |
-
1987
- 1987-04-10 JP JP1987054628U patent/JPH0727695Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57124928A (en) * | 1981-01-26 | 1982-08-04 | Victor Co Of Japan Ltd | Edge detection circuit |
| JPS5815320A (en) * | 1981-07-21 | 1983-01-28 | Tamura Electric Works Ltd | Edge detection circuit for signal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015231135A (en) * | 2014-06-05 | 2015-12-21 | ローム株式会社 | Clock transfer circuit, semiconductor integrated circuit and data delivery method |
| WO2021199955A1 (en) * | 2020-03-31 | 2021-10-07 | 株式会社デンソー | Pulse edge detection circuit |
| JP2021164037A (en) * | 2020-03-31 | 2021-10-11 | 株式会社デンソー | Pulse edge detection circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0727695Y2 (en) | 1995-06-21 |
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