JPS616774U - Three-value detection circuit - Google Patents
Three-value detection circuitInfo
- Publication number
- JPS616774U JPS616774U JP9172884U JP9172884U JPS616774U JP S616774 U JPS616774 U JP S616774U JP 9172884 U JP9172884 U JP 9172884U JP 9172884 U JP9172884 U JP 9172884U JP S616774 U JPS616774 U JP S616774U
- Authority
- JP
- Japan
- Prior art keywords
- inverter
- detection circuit
- value detection
- input terminal
- output
- 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
- Measurement Of Current Or Voltage (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の３値検出回路の特性を示す特性図、第２
図は本考案の実施例を示す回路図である。
１・・・入力端子、２・・・第１のインバーク、３・・
・第２のインバータ、４，５・・・抵抗。Figure 1 is a characteristic diagram showing the characteristics of a conventional three-value detection circuit;
The figure is a circuit diagram showing an embodiment of the present invention. 1... Input terminal, 2... First invert, 3...
-Second inverter, 4, 5...resistance.
Claims (1)
タと第２のインバータとが一つの入力端子子に接続され
、前記第１のインバータの出力、及び、第２のインバー
タの出力によって前記入力端子に印加された電圧レベル
を検出する３値検出回路に於いて、前記第１のインバー
タと第２のインバータの入力及び出力間に各々抵抗を接
続し、前記入力端子が開放されたとき入力端子の電圧を
前記異なるスレツショルド電圧の間に保持することを特
徴とする３値検出回路。A first inverter and a second inverter having different threshold voltages are connected to one input terminal, and an output of the first inverter and an output of the second inverter are applied to the input terminal. In the three-value detection circuit that detects the voltage level of the first inverter and the second inverter, a resistor is connected between the input and output of the first inverter and the second inverter, and when the input terminal is opened, the voltage of the input terminal is A three-value detection circuit characterized by holding between different threshold voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9172884U JPS616774U (en) | 1984-06-19 | 1984-06-19 | Three-value detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9172884U JPS616774U (en) | 1984-06-19 | 1984-06-19 | Three-value detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS616774U true JPS616774U (en) | 1986-01-16 |
Family
ID=30647872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9172884U Pending JPS616774U (en) | 1984-06-19 | 1984-06-19 | Three-value detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS616774U (en) |
-
1984
- 1984-06-19 JP JP9172884U patent/JPS616774U/en active Pending
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