JPH0236225U - - Google Patents
Info
- Publication number
- JPH0236225U JPH0236225U JP11446488U JP11446488U JPH0236225U JP H0236225 U JPH0236225 U JP H0236225U JP 11446488 U JP11446488 U JP 11446488U JP 11446488 U JP11446488 U JP 11446488U JP H0236225 U JPH0236225 U JP H0236225U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- input terminal
- resistance element
- resistive
- field effect
- 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
- 230000005669 field effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Manipulation Of Pulses (AREA)
Description
第1図aおよびbは本考案の第1および第2の
実施例をそれぞれ示す回路図、第2図はこれら実
施例のヒステリシス特性を示す図、第3図は従来
のヒステリシスを有するコンパレータの回路図で
ある。
1……電界効果トランジスタ(FET)、2…
…演算増幅器、V1,V′1……入力電圧、V0
,V′0……出力電圧、+Vcc,−Vcc……
電源電圧、−VTH,+VTH……スレツシヨル
ド電圧。
1A and 1B are circuit diagrams showing the first and second embodiments of the present invention, FIG. 2 is a diagram showing the hysteresis characteristics of these embodiments, and FIG. 3 is a conventional circuit of a comparator with hysteresis. It is a diagram. 1... Field effect transistor (FET), 2...
...Operation amplifier, V 1 , V' 1 ...Input voltage, V 0
, V' 0 ... Output voltage, +Vcc, -Vcc...
Power supply voltage, -VTH, +VTH...Threshold voltage.
Claims (1)
および第2の抵抗要素と、 第1の入力端子に信号電圧を受け、第2の入力
端子が前記第1および第2の抵抗要素の接続点に
接続されている演算増幅器と、 ソースおよびドレインが第3の抵抗要素を介し
て前記第1または第2の抵抗要素の両端間に接続
され、ゲートが前記演算増幅器の出力端子に接続
されている電界効果トランジスタとからなるコン
パレータ。[Claims for Utility Model Registration] A first battery connected in series between two power supply voltages
and a second resistive element; an operational amplifier having a first input terminal receiving a signal voltage and having a second input terminal connected to a connection point of the first and second resistive elements; a field effect transistor connected across the first or second resistance element via a third resistance element and having a gate connected to the output terminal of the operational amplifier.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11446488U JPH0236225U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11446488U JPH0236225U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0236225U true JPH0236225U (en) | 1990-03-08 |
Family
ID=31355238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11446488U Pending JPH0236225U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0236225U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07124298A (en) * | 1993-11-04 | 1995-05-16 | Yamashita Seisakusho:Kk | Lamp mounting structure |
JP2006279765A (en) * | 2005-03-30 | 2006-10-12 | Toshiba Microelectronics Corp | Hysteresis comparator |
JP2011124931A (en) * | 2009-12-14 | 2011-06-23 | Samsung Electronics Co Ltd | Comparator, and semiconductor device |
JP2012049750A (en) * | 2010-08-26 | 2012-03-08 | Toshiba Corp | Hysteresis comparator |
-
1988
- 1988-08-31 JP JP11446488U patent/JPH0236225U/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07124298A (en) * | 1993-11-04 | 1995-05-16 | Yamashita Seisakusho:Kk | Lamp mounting structure |
JP2006279765A (en) * | 2005-03-30 | 2006-10-12 | Toshiba Microelectronics Corp | Hysteresis comparator |
JP2011124931A (en) * | 2009-12-14 | 2011-06-23 | Samsung Electronics Co Ltd | Comparator, and semiconductor device |
JP2012049750A (en) * | 2010-08-26 | 2012-03-08 | Toshiba Corp | Hysteresis comparator |
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