JPH02141126U - - Google Patents
Info
- Publication number
- JPH02141126U JPH02141126U JP5138989U JP5138989U JPH02141126U JP H02141126 U JPH02141126 U JP H02141126U JP 5138989 U JP5138989 U JP 5138989U JP 5138989 U JP5138989 U JP 5138989U JP H02141126 U JPH02141126 U JP H02141126U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- outputs
- level shift
- signal
- level
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Manipulation Of Pulses (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は本実施例の動作を説明するための信号波形図
、第３図は従来の信号変換回路の一例を示す回路
図である。
１……入力端子、２……信号電圧レベルシフト
回路、３……信号、４……可変抵抗器、５……抵
抗、６……＋５Ｖ電源、７……ラインレシーバ回
路。
Figure 1 is a block diagram of one embodiment of the present invention;
The figure is a signal waveform diagram for explaining the operation of this embodiment, and FIG. 3 is a circuit diagram showing an example of a conventional signal conversion circuit. 1... Input terminal, 2... Signal voltage level shift circuit, 3... Signal, 4... Variable resistor, 5... Resistor, 6... +5V power supply, 7... Line receiver circuit.
Claims (1)
ルシフト回路と、このレベルシフト回路からの出
力と設定された直流のしきい値電圧とを比較し方
形波信号を出力するラインレシーバ回路とを有す
ることを特徴とする信号変換回路。 It has a level shift circuit that converts the DC level of an input signal and outputs it, and a line receiver circuit that compares the output from this level shift circuit with a set DC threshold voltage and outputs a square wave signal. A signal conversion circuit featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5138989U JPH02141126U (en) | 1989-04-27 | 1989-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5138989U JPH02141126U (en) | 1989-04-27 | 1989-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02141126U true JPH02141126U (en) | 1990-11-27 |
Family
ID=31570791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5138989U Pending JPH02141126U (en) | 1989-04-27 | 1989-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02141126U (en) |
-
1989
- 1989-04-27 JP JP5138989U patent/JPH02141126U/ja active Pending