JPH01117118U - - Google Patents
Info
- Publication number
- JPH01117118U JPH01117118U JP1315888U JP1315888U JPH01117118U JP H01117118 U JPH01117118 U JP H01117118U JP 1315888 U JP1315888 U JP 1315888U JP 1315888 U JP1315888 U JP 1315888U JP H01117118 U JPH01117118 U JP H01117118U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- level
- power supply
- constant current
- current power
- 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 2
Landscapes
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例の比較回路１の電気
回路図、第２図は従来技術による比較回路の電気
回路図である。
１…比較回路、２…定電流電源、３…差動増幅
器、ａ…信号入力端子、ｂ…基準レベル入力端子
、ｃ…出力端子、Ｑ１１〜Ｑ１８…トランジスタ
、Ｒ１１，Ｒ１４〜Ｒ１８…抵抗、Ｖｉ…入力信
号、Ｖｒｅｆ…基準レベル信号、Ｖｏ…出力信号
。
FIG. 1 is an electrical circuit diagram of a comparison circuit 1 according to an embodiment of the present invention, and FIG. 2 is an electrical circuit diagram of a comparison circuit according to the prior art. DESCRIPTION OF SYMBOLS 1... Comparison circuit, 2... Constant current power supply, 3... Differential amplifier, a... Signal input terminal, b... Reference level input terminal, c... Output terminal, Q11-Q18... Transistor, R11, R14-R18... Resistor, Vi ...Input signal, Vref...Reference level signal, Vo...Output signal.
Claims (1)
出力端子とを備える比較回路において、 入力信号のレベルが予め定められたレベルの一
方側にあるとき導通し、他方側にあるとき遮断さ
れるスイツチング手段と、 上記スイツチング手段によつて能動または非能
動に駆動される定電流電源と、 定電流電源により駆動され、入力信号と基準レ
ベルとのレベル差を判定する判定手段とを含み、 上記判定手段の出力によつて前記信号出力端子
への出力を制御することを特徴とする比較回路。[Claims for Utility Model Registration] In a comparator circuit comprising a reference level input terminal, a signal input terminal, and a signal output terminal, conduction occurs when the level of the input signal is on one side of a predetermined level, and conduction occurs on the other side. a constant current power supply that is driven actively or inactive by the switching means; and a determination means that is driven by the constant current power supply and determines a level difference between an input signal and a reference level. A comparison circuit comprising: controlling an output to the signal output terminal based on the output of the determination means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1315888U JPH01117118U (en) | 1988-02-02 | 1988-02-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1315888U JPH01117118U (en) | 1988-02-02 | 1988-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117118U true JPH01117118U (en) | 1989-08-08 |
Family
ID=31223239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1315888U Pending JPH01117118U (en) | 1988-02-02 | 1988-02-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117118U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0358034U (en) * | 1989-10-12 | 1991-06-05 |
-
1988
- 1988-02-02 JP JP1315888U patent/JPH01117118U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0358034U (en) * | 1989-10-12 | 1991-06-05 |