JPH0439738U - - Google Patents
Info
- Publication number
- JPH0439738U JPH0439738U JP8234090U JP8234090U JPH0439738U JP H0439738 U JPH0439738 U JP H0439738U JP 8234090 U JP8234090 U JP 8234090U JP 8234090 U JP8234090 U JP 8234090U JP H0439738 U JPH0439738 U JP H0439738U
- Authority
- JP
- Japan
- Prior art keywords
- hiss
- voltage
- comparator circuit
- voltage comparator
- hysteresis
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Manipulation Of Pulses (AREA)
Description
第１図はこの考案の一実施例によるヒスを有す
る電圧比較回路の回路図、第２図は第１図の回路
において、入力電圧に対する各部電流および出力
電圧の変化を示すグラフ、第３図はこの考案の他
の実施例を示すヒスを有する電圧比較回路の回路
図、第４図は従来のヒスを有する電圧比較回路の
回路図、第５図は第４図の回路における入出力タ
イミングチヤートである。
図中、１〜９はトランジスタ、１１は抵抗、１
８は非反転入力端子、１９は反転入力端子、２０
は出力端子、２１〜２３は定電流源、２４は差動
入力部、２５は差動出力部である。なお、図中、
同一符号は同一、又は、相当部分を示す。
FIG. 1 is a circuit diagram of a voltage comparator circuit with hysteresis according to an embodiment of the invention, FIG. 2 is a graph showing changes in current at each part and output voltage with respect to input voltage in the circuit of FIG. 1, and FIG. 4 is a circuit diagram of a voltage comparator circuit with hiss showing another embodiment of this invention. FIG. 4 is a circuit diagram of a conventional voltage comparator circuit with hiss. FIG. 5 is an input/output timing chart of the circuit of FIG. 4. be. In the figure, 1 to 9 are transistors, 11 is a resistor, 1
8 is a non-inverting input terminal, 19 is an inverting input terminal, 20
is an output terminal, 21 to 23 are constant current sources, 24 is a differential input section, and 25 is a differential output section. In addition, in the figure,
The same reference numerals indicate the same or corresponding parts.
Claims (1)
圧比較回路に於いて、ヒス幅生成の手段として、
差動増幅器の入力トランジスタの電流電圧特性を
利用し、任意の基準電圧に対しＴ比例のヒス幅を
持たせたことを特徴とするヒス付き電圧比較回路
。 In a voltage comparator circuit that compares two potential differences and has a hiss, as a means of generating a hiss width,
A voltage comparator circuit with hysteresis characterized in that it has a hysteresis width proportional to T with respect to an arbitrary reference voltage by utilizing the current-voltage characteristics of an input transistor of a differential amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8234090U JPH0439738U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8234090U JPH0439738U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439738U true JPH0439738U (en) | 1992-04-03 |
Family
ID=31629062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8234090U Pending JPH0439738U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439738U (en) |
-
1990
- 1990-07-31 JP JP8234090U patent/JPH0439738U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0714135B2 (en) | Filter circuit | |
| JPH0521445B2 (en) | ||
| JPH0770935B2 (en) | Differential current amplifier circuit | |
| JPH0439738U (en) | ||
| JPH01132127U (en) | ||
| JP2588164B2 (en) | Inverting amplifier | |
| JPS6454472U (en) | ||
| JPS632889Y2 (en) | ||
| JPS59181802A (en) | Current input type amplifier | |
| JPS62158933U (en) | ||
| JPH067379Y2 (en) | Reference voltage source circuit | |
| JPH03145309A (en) | Amplifier | |
| JPH0342580U (en) | ||
| JPS628718U (en) | ||
| JPH0433115U (en) | ||
| JPH02101615U (en) | ||
| JPS62152512U (en) | ||
| JPH0382915U (en) | ||
| JPS6413809U (en) | ||
| JPH07101826B2 (en) | Differential amplifier circuit | |
| JPH0386420U (en) | ||
| JPS6411015U (en) | ||
| JPH03119252U (en) | ||
| JPH0469924U (en) | ||
| JPH01111325U (en) |