JPS57557A - Voltage comparator - Google Patents
Voltage comparatorInfo
- Publication number
- JPS57557A JPS57557A JP6993980A JP6993980A JPS57557A JP S57557 A JPS57557 A JP S57557A JP 6993980 A JP6993980 A JP 6993980A JP 6993980 A JP6993980 A JP 6993980A JP S57557 A JPS57557 A JP S57557A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- vcc
- resistances
- vce
- satisfactory
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/24—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude
- H03K5/2409—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors
- H03K5/2418—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being amplitude using bipolar transistors with at least one differential stage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/10—Measuring sum, difference or ratio
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Manipulation Of Pulses (AREA)
- Measurement Of Current Or Voltage (AREA)
- Logic Circuits (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6993980A JPS57557A (en) | 1980-05-26 | 1980-05-26 | Voltage comparator |
US06/265,236 US4418290A (en) | 1980-05-26 | 1981-05-19 | Voltage comparator |
DE3120979A DE3120979C2 (de) | 1980-05-26 | 1981-05-26 | Spannungsvergleicher |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6993980A JPS57557A (en) | 1980-05-26 | 1980-05-26 | Voltage comparator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57557A true JPS57557A (en) | 1982-01-05 |
JPH0332026B2 JPH0332026B2 (ja) | 1991-05-09 |
Family
ID=13417128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6993980A Granted JPS57557A (en) | 1980-05-26 | 1980-05-26 | Voltage comparator |
Country Status (3)
Country | Link |
---|---|
US (1) | US4418290A (ja) |
JP (1) | JPS57557A (ja) |
DE (1) | DE3120979C2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61202518A (ja) * | 1985-03-06 | 1986-09-08 | Fujitsu Ltd | コンパレ−タ回路 |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57173220A (en) * | 1981-04-17 | 1982-10-25 | Toshiba Corp | Comparator circuit |
JP2636829B2 (ja) * | 1981-12-17 | 1997-07-30 | 富士通株式会社 | 差動回路 |
EP0099956B1 (fr) * | 1982-07-28 | 1987-10-21 | International Business Machines Corporation | Récepteur de signaux et son utilisation dans un circuit de réception indiquant l'état de l'équipement connecté |
US4521697A (en) * | 1982-12-27 | 1985-06-04 | Motorola, Inc. | PNP comparator circuit having beta current error cancellation |
US4649298A (en) * | 1985-01-09 | 1987-03-10 | At&T Bell Laboratories | Non-saturating tri-state driver circuit |
US4654545A (en) * | 1986-02-28 | 1987-03-31 | Rca Corporation | Overvoltage comparator |
US4689500A (en) * | 1986-05-19 | 1987-08-25 | Motorola, Inc. | Comparator with substrate injection protection |
JPS6382119A (ja) * | 1986-09-26 | 1988-04-12 | Toshiba Corp | コンパレ−タ |
US4754169A (en) * | 1987-04-24 | 1988-06-28 | American Telephone And Telegraph Company, At&T Bell Laboratories | Differential circuit with controllable offset |
EP0312715A1 (de) * | 1987-09-18 | 1989-04-26 | Siemens Aktiengesellschaft | Schaltungsanordnung zur Bestimmung der Leistung eines frequenzbandbegrenzten periodischen Signals |
DE3826214A1 (de) * | 1988-08-02 | 1990-02-08 | Philips Patentverwaltung | Schaltungsanorndung zur detektion von spannungen aus mehreren spannungsbereichen |
EP0442001B1 (de) * | 1990-02-13 | 1995-09-27 | Siemens Aktiengesellschaft | Komparatorschaltung |
US5132559A (en) * | 1991-05-03 | 1992-07-21 | Motorola, Inc. | Circuit for trimming input offset voltage utilizing variable resistors |
DE4122029C1 (ja) * | 1991-07-03 | 1992-11-26 | Texas Instruments Deutschland Gmbh, 8050 Freising, De | |
DE19534825A1 (de) * | 1995-09-20 | 1997-03-27 | Teves Gmbh Alfred | Schaltungsanordnung zum Auswerten eines binären, durch Stromschwellenwerte definierten Signals |
US5973563A (en) * | 1997-12-10 | 1999-10-26 | National Semiconductor Corporation | High power output stage with temperature stable precisely controlled quiescent current and inherent short circuit protection |
KR100312941B1 (ko) * | 1998-12-15 | 2002-02-28 | 김영환 | 전류비교기 |
US6232801B1 (en) * | 1999-08-04 | 2001-05-15 | Vlsi Technology, Inc. | Comparators and comparison methods |
US6549072B1 (en) * | 2002-01-16 | 2003-04-15 | Medtronic, Inc. | Operational amplifier having improved input offset performance |
JP2005191821A (ja) * | 2003-12-25 | 2005-07-14 | Seiko Epson Corp | コンパレータ回路及び電源回路 |
CN101140301B (zh) * | 2006-09-08 | 2010-09-29 | 深圳赛意法微电子有限公司 | 零等待电流精确过电压比较器 |
RU2446555C2 (ru) * | 2010-05-07 | 2012-03-27 | Государственное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ГОУ ВПО "ЮРГУЭС") | Дифференциальный операционный усилитель |
RU2595536C1 (ru) * | 2015-03-23 | 2016-08-27 | Открытое акционерное общество "Рязанское конструкторское бюро "Глобус" | Гальванически изолированный компаратор напряжения с питанием от входного сигнала |
RU2618356C1 (ru) * | 2015-11-20 | 2017-05-03 | Открытое акционерное общество "Рязанское конструкторское бюро "Глобус" | Многоканальный компаратор напряжения с гальванически изолированными каналами |
CN112910224B (zh) * | 2021-01-16 | 2022-07-08 | 苏州浪潮智能科技有限公司 | 一种降压变换器的控制电路以及服务器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3649846A (en) * | 1971-01-07 | 1972-03-14 | Motorola Inc | Single supply comparison amplifier |
US3979686A (en) * | 1975-09-08 | 1976-09-07 | Hughes Aircraft Company | Optical frequency modulation demodulator |
US4147944A (en) * | 1977-10-25 | 1979-04-03 | National Semiconductor Corporation | Comparator with signal related adaptive bias |
-
1980
- 1980-05-26 JP JP6993980A patent/JPS57557A/ja active Granted
-
1981
- 1981-05-19 US US06/265,236 patent/US4418290A/en not_active Expired - Lifetime
- 1981-05-26 DE DE3120979A patent/DE3120979C2/de not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61202518A (ja) * | 1985-03-06 | 1986-09-08 | Fujitsu Ltd | コンパレ−タ回路 |
JPH0347012B2 (ja) * | 1985-03-06 | 1991-07-18 | Fujitsu Ltd |
Also Published As
Publication number | Publication date |
---|---|
DE3120979A1 (de) | 1982-02-04 |
JPH0332026B2 (ja) | 1991-05-09 |
DE3120979C2 (de) | 1985-06-05 |
US4418290A (en) | 1983-11-29 |
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