JPS62203524U - - Google Patents
Info
- Publication number
- JPS62203524U JPS62203524U JP9143386U JP9143386U JPS62203524U JP S62203524 U JPS62203524 U JP S62203524U JP 9143386 U JP9143386 U JP 9143386U JP 9143386 U JP9143386 U JP 9143386U JP S62203524 U JPS62203524 U JP S62203524U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- comparator
- diode
- resistor
- inverting input
- 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
- 239000003990 capacitor Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 7
Description
第１図はこの考案による電圧比較器の一例を示
す回路図、第２図はその入力電圧と、出力電圧と
しきい値との関係例を示す図、第３図は第１図の
電圧比較器の大振幅入力電圧に対する出力電圧及
びしきい値との関係例を示す図、第４図は従来の
しきい値固定形の電圧比較器を示す回路図、第５
図は第４図の電圧比較器の入力電圧、出力電圧、
しきい値の関係を示す図、第６図は従来のしきい
値追従形電圧比較器を示す回路図、第７図は第６
図の電圧比較器の入力電圧と出力電圧との関係を
示す図である。
Fig. 1 is a circuit diagram showing an example of a voltage comparator according to this invention, Fig. 2 is a diagram showing an example of the relationship between its input voltage, output voltage, and threshold value, and Fig. 3 is a circuit diagram of the voltage comparator of Fig. 1. FIG. 4 is a circuit diagram showing a conventional fixed threshold voltage comparator, and FIG.
The figure shows the input voltage, output voltage, and
Figure 6 is a circuit diagram showing a conventional threshold tracking type voltage comparator, and Figure 7 is a diagram showing the relationship between threshold values.
FIG. 3 is a diagram showing the relationship between the input voltage and output voltage of the voltage comparator shown in the figure.
Claims (1)
れ、 その入力端子はダイオード―コンデンサを通じ
て接地され、 そのダイオードは上記入力端子の入力電圧が基
準状態から所定値以上変化すると導通するように
その極性及びしきい値が選定され、 上記ダイオード及びコンデンサの接続点は第１
抵抗器を通じて上記比較器の非反転入力端に接続
され、 その非反転入力端は第２抵抗器を通じて基準定
電圧源に接続され、 上記比較器の出力端及び非反転入力端間に第３
抵抗器が接続され、 上記比較器の出力端は出力端子に接続されてい
る電圧比較器。[Claims for Utility Model Registration] An input terminal is connected to the inverting input terminal of a differential comparator, and the input terminal is grounded through a diode-capacitor, and the diode is connected to the input terminal that changes the input voltage of the input terminal from the reference state to a predetermined value. The polarity and threshold value are selected so that conduction occurs when the diode and capacitor change above, and the connection point of the diode and capacitor is the first
The non-inverting input terminal of the comparator is connected to the non-inverting input terminal of the comparator through a resistor, the non-inverting input terminal is connected to a reference constant voltage source through a second resistor, and a third
A resistor is connected to the voltage comparator, and the output end of the above comparator is connected to the output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9143386U JPS62203524U (en) | 1986-06-16 | 1986-06-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9143386U JPS62203524U (en) | 1986-06-16 | 1986-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62203524U true JPS62203524U (en) | 1987-12-25 |
Family
ID=30952212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9143386U Pending JPS62203524U (en) | 1986-06-16 | 1986-06-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62203524U (en) |
-
1986
- 1986-06-16 JP JP9143386U patent/JPS62203524U/ja active Pending
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