DE3307693A1 - Verfahren zur automatischen eingangsstrom-kompensation an einem serie-parallel gegengekoppelten messverstaerkerkreis, hoechstohmiges, eingangsstromkompensiertes verstaerkermodul sowie verwendung des verfahrens - Google Patents
Verfahren zur automatischen eingangsstrom-kompensation an einem serie-parallel gegengekoppelten messverstaerkerkreis, hoechstohmiges, eingangsstromkompensiertes verstaerkermodul sowie verwendung des verfahrensInfo
- Publication number
- DE3307693A1 DE3307693A1 DE19833307693 DE3307693A DE3307693A1 DE 3307693 A1 DE3307693 A1 DE 3307693A1 DE 19833307693 DE19833307693 DE 19833307693 DE 3307693 A DE3307693 A DE 3307693A DE 3307693 A1 DE3307693 A1 DE 3307693A1
- Authority
- DE
- Germany
- Prior art keywords
- input
- current
- amplifier
- circuit
- impedance
- 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
-
- 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
- G01R19/0023—Measuring currents or voltages from sources with high internal resistance by means of measuring circuits with high input impedance, e.g. OP-amplifiers
-
- 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
- G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
- G01R19/225—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC by means of thermocouples or other heat sensitive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
- G01R5/28—Electrostatic instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833307693 DE3307693A1 (de) | 1983-03-04 | 1983-03-04 | Verfahren zur automatischen eingangsstrom-kompensation an einem serie-parallel gegengekoppelten messverstaerkerkreis, hoechstohmiges, eingangsstromkompensiertes verstaerkermodul sowie verwendung des verfahrens |
EP84810102A EP0118396B1 (de) | 1983-03-04 | 1984-03-01 | Messverfahren für ein elektrisches Signal, serie-parallel-gegengekoppelter Messkreis sowie Verwendung des Verfahrens oder des Messkreises zur Messung von Spannungsquellen mit höchstohmigen Innenimpedanzen |
PCT/CH1984/000033 WO1984003565A1 (en) | 1983-03-04 | 1984-03-01 | Method for measuring an electric signal, series/parallel feed-back measuring circuit and application of said method or measuring circuit to measure voltage sources having a very high ohmic inner impedance |
AT84810102T ATE27066T1 (de) | 1983-03-04 | 1984-03-01 | Messverfahren fuer ein elektrisches signal, serie- parallel-gegengekoppelter messkreis sowie verwendung des verfahrens oder des messkreises zur messung von spannungsquellen mit hoechstohmigen innenimpedanzen. |
JP59500945A JPS60500683A (ja) | 1983-03-04 | 1984-03-01 | 電気信号に対する測定方法、直列−並列負帰還測定回路並びにその方法または極めて高いオ−ミツク内部インピ−ダンスを有する電圧源を測定するための測定回路の用途 |
DE8484810102T DE3463575D1 (en) | 1983-03-04 | 1984-03-01 | Measuring process for electric signals using a series-parallel feed-back circuit, and application of this process or circuit to the measuring of voltage sources with extremely high internal impedances |
US07/045,707 US4814695A (en) | 1983-03-04 | 1987-05-04 | Measurement method for an electrical signal, series-parallel negative-feedback measuring circuit, as well as use of the method of the measuring circuit for measuring voltage sources with very-high-ohmage internal impedances |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833307693 DE3307693A1 (de) | 1983-03-04 | 1983-03-04 | Verfahren zur automatischen eingangsstrom-kompensation an einem serie-parallel gegengekoppelten messverstaerkerkreis, hoechstohmiges, eingangsstromkompensiertes verstaerkermodul sowie verwendung des verfahrens |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3307693A1 true DE3307693A1 (de) | 1984-09-13 |
DE3307693C2 DE3307693C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-12 |
Family
ID=6192520
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833307693 Granted DE3307693A1 (de) | 1983-03-04 | 1983-03-04 | Verfahren zur automatischen eingangsstrom-kompensation an einem serie-parallel gegengekoppelten messverstaerkerkreis, hoechstohmiges, eingangsstromkompensiertes verstaerkermodul sowie verwendung des verfahrens |
DE8484810102T Expired DE3463575D1 (en) | 1983-03-04 | 1984-03-01 | Measuring process for electric signals using a series-parallel feed-back circuit, and application of this process or circuit to the measuring of voltage sources with extremely high internal impedances |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484810102T Expired DE3463575D1 (en) | 1983-03-04 | 1984-03-01 | Measuring process for electric signals using a series-parallel feed-back circuit, and application of this process or circuit to the measuring of voltage sources with extremely high internal impedances |
Country Status (6)
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4228150C2 (de) * | 1992-08-25 | 1996-05-02 | Telefunken Microelectron | Schaltungsanordnung mit einem Sensor |
PT1384002E (pt) * | 2001-04-20 | 2010-10-11 | Baw Gmbh | Processo para exploração de uma instalação de energia eólica |
US6611168B1 (en) * | 2001-12-19 | 2003-08-26 | Analog Devices, Inc. | Differential parametric amplifier with physically-coupled electrically-isolated micromachined structures |
US7506283B2 (en) | 2004-10-08 | 2009-03-17 | Spirent Communications Of Rockville, Inc. | System and method for accelerating circuit measurements |
US8437969B2 (en) * | 2009-03-31 | 2013-05-07 | Virginia Polytechnic Institute And State University | Accurate magnetic field sensor and method for wireless phasor measurement unit |
US10802072B2 (en) * | 2018-05-11 | 2020-10-13 | Fluke Corporation | Non-contact DC voltage measurement device with oscillating sensor |
CN111025034B (zh) * | 2019-11-27 | 2021-11-02 | 中国船舶重工集团有限公司第七一0研究所 | 一种水下电场信号主动检测电路及检测方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982002775A1 (en) * | 1981-02-05 | 1982-08-19 | Jacques J Troesch | Opposition series-parallel measuring circuit,use of that circuit and electrode for measuring the voltage on electrochemical cells |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2613236A (en) * | 1946-08-09 | 1952-10-07 | Palevsky Harry | Voltage measuring apparatus |
US2903523A (en) * | 1952-03-24 | 1959-09-08 | Beckman Instruments Inc | Bidirectional zero adjustment circuit |
US3014135A (en) * | 1957-03-04 | 1961-12-19 | Hewlett Packard Co | Direct current amplifier and modulator therefor |
US3404341A (en) * | 1964-04-03 | 1968-10-01 | Xerox Corp | Electrometer utilizing a dual purpose field-effect transistor |
US3424981A (en) * | 1964-11-12 | 1969-01-28 | Keithley Instruments | Low level d.c. voltage apparatus employing a balanced modulator and filter means to remove spurious signals |
US3441851A (en) * | 1966-06-14 | 1969-04-29 | Susquehanna Corp | Chopper stabilized electrical meter circuit with envelope detector and feedback means |
US3818336A (en) * | 1972-08-14 | 1974-06-18 | Itt | High voltage measuring apparatus |
US4255659A (en) * | 1978-03-27 | 1981-03-10 | The Regents Of The University Of California | Semiconductor radiation detector |
US4415237A (en) * | 1981-09-01 | 1983-11-15 | The United States Of America As Represented By The Department Of Energy | Radiation dosimeter |
US4580057A (en) * | 1983-04-29 | 1986-04-01 | Mobil Oil Corporation | Neutron detector amplifier circuit |
-
1983
- 1983-03-04 DE DE19833307693 patent/DE3307693A1/de active Granted
-
1984
- 1984-03-01 EP EP84810102A patent/EP0118396B1/de not_active Expired
- 1984-03-01 AT AT84810102T patent/ATE27066T1/de not_active IP Right Cessation
- 1984-03-01 JP JP59500945A patent/JPS60500683A/ja active Pending
- 1984-03-01 DE DE8484810102T patent/DE3463575D1/de not_active Expired
- 1984-03-01 WO PCT/CH1984/000033 patent/WO1984003565A1/de unknown
-
1987
- 1987-05-04 US US07/045,707 patent/US4814695A/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982002775A1 (en) * | 1981-02-05 | 1982-08-19 | Jacques J Troesch | Opposition series-parallel measuring circuit,use of that circuit and electrode for measuring the voltage on electrochemical cells |
Non-Patent Citations (3)
Title |
---|
Le Journal de Physique et le Radium, Bd.16, August-Sept. 1955, S.695-703 * |
PASCO,R.W. und FICALORA,P.J.: "Circuit for the measurement of surface potential changes by the static capacitor method", In: Rev.Sci. Instrum. 51(2), Feb.1980, S.246-249 * |
Valvo - Technische Informationen für die Industrie, T21 Juli 1962, S.1-6 * |
Also Published As
Publication number | Publication date |
---|---|
ATE27066T1 (de) | 1987-05-15 |
DE3307693C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-12 |
JPS60500683A (ja) | 1985-05-09 |
WO1984003565A1 (en) | 1984-09-13 |
EP0118396B1 (de) | 1987-05-06 |
DE3463575D1 (en) | 1987-06-11 |
US4814695A (en) | 1989-03-21 |
EP0118396A1 (de) | 1984-09-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8128 | New person/name/address of the agent |
Representative=s name: KOHLER, R., DIPL.-PHYS. SCHWINDLING, H., DIPL.-PHY |
|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |