SE459046B - Femtoamperemeter - Google Patents
FemtoamperemeterInfo
- Publication number
- SE459046B SE459046B SE8602030A SE8602030A SE459046B SE 459046 B SE459046 B SE 459046B SE 8602030 A SE8602030 A SE 8602030A SE 8602030 A SE8602030 A SE 8602030A SE 459046 B SE459046 B SE 459046B
- Authority
- SE
- Sweden
- Prior art keywords
- temperature
- heat sink
- amplifier
- output
- temperature sensor
- Prior art date
Links
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims 3
- 238000011084 recovery Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/257—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with comparison of different reference values with the value of voltage or current, e.g. using step-by-step method
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/729,455 US4628277A (en) | 1985-05-01 | 1985-05-01 | Femtoammeter |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8602030D0 SE8602030D0 (sv) | 1986-04-30 |
| SE8602030L SE8602030L (sv) | 1986-11-02 |
| SE459046B true SE459046B (sv) | 1989-05-29 |
Family
ID=24931112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8602030A SE459046B (sv) | 1985-05-01 | 1986-04-30 | Femtoamperemeter |
Country Status (7)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648779B2 (ja) * | 1985-07-18 | 1994-06-22 | 富士通株式会社 | フリップフロップ回路 |
| US4970456A (en) * | 1989-01-09 | 1990-11-13 | Motorola, Inc. | Temperature compensated power detector |
| US4940947A (en) * | 1989-02-28 | 1990-07-10 | Oneac Corporation | Line noise signal measurement system using analog signal compression with digital linearity correction |
| DE4410705C2 (de) * | 1994-03-28 | 2000-05-18 | Christof Kaufmann | Meßvorrichtung zum Messen einer physikalischen Größe |
| US7091412B2 (en) | 2002-03-04 | 2006-08-15 | Nanoset, Llc | Magnetically shielded assembly |
| US7162302B2 (en) | 2002-03-04 | 2007-01-09 | Nanoset Llc | Magnetically shielded assembly |
| DE102007030172A1 (de) * | 2007-06-27 | 2009-01-15 | Forschungszentrum Jülich GmbH | Strommessgerät mit hoher Dynamik und kleiner Zeitkonstante |
| US8730701B2 (en) * | 2009-02-12 | 2014-05-20 | Ecolab Usa Inc. | Driving circuit for powering a bi-directional load |
| US10581413B2 (en) * | 2017-11-17 | 2020-03-03 | Honeywell International Inc. | Compensation circuit |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1007874A (en) * | 1963-04-30 | 1965-10-22 | Cole E K Ltd | Improvements in or relating to d.c. amplifiers |
| DE1804389A1 (de) * | 1968-10-22 | 1970-07-16 | Messerschmitt Boelkow Blohm | Verstaerker mit veraenderlichem Verstaerkungsgrad |
| US3724954A (en) * | 1972-01-14 | 1973-04-03 | Photo Electronics Corp | Logarithmic circuit with automatic compensation for variations in conditions of operations |
| DE2630958B2 (de) * | 1976-07-07 | 1978-07-27 | Heliowatt Werke Elektrizitaets-Gesellschaft Mbh, 1000 Berlin | Fehlerkompensationsverfahren |
| US4270090A (en) * | 1978-04-24 | 1981-05-26 | Williams Bruce T | D.C. Electrostatic voltage follower having ion-coupled probe |
| US4408128A (en) * | 1979-03-08 | 1983-10-04 | Kett Electric Laboratory | Electric resistance type wide range moisture meter |
| US4349788A (en) * | 1980-02-25 | 1982-09-14 | Peavey Electronics Corp. | Transient intermodulation distortion limiting circuit for an amplifier system |
| US4370615A (en) * | 1980-10-14 | 1983-01-25 | The Perkin-Elmer Corporation | High speed temperature controlled electrometer |
| DD206176A3 (de) * | 1981-04-22 | 1984-01-18 | Verfahren und schaltungsanordnung zur temperaturmessung |
-
1985
- 1985-05-01 US US06/729,455 patent/US4628277A/en not_active Expired - Fee Related
-
1986
- 1986-04-24 ES ES554337A patent/ES8801039A1/es not_active Expired
- 1986-04-28 JP JP61097041A patent/JPH0675080B2/ja not_active Expired - Lifetime
- 1986-04-29 DE DE19863614529 patent/DE3614529A1/de active Granted
- 1986-04-30 IT IT20277/86A patent/IT1191771B/it active
- 1986-04-30 FR FR868606249A patent/FR2581458B1/fr not_active Expired
- 1986-04-30 SE SE8602030A patent/SE459046B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT8620277A0 (it) | 1986-04-30 |
| IT1191771B (it) | 1988-03-23 |
| DE3614529A1 (de) | 1986-11-06 |
| SE8602030L (sv) | 1986-11-02 |
| SE8602030D0 (sv) | 1986-04-30 |
| FR2581458B1 (fr) | 1989-09-08 |
| US4628277A (en) | 1986-12-09 |
| IT8620277A1 (it) | 1987-10-30 |
| JPH0675080B2 (ja) | 1994-09-21 |
| JPS62866A (ja) | 1987-01-06 |
| ES554337A0 (es) | 1987-12-01 |
| DE3614529C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-06-03 |
| FR2581458A1 (fr) | 1986-11-07 |
| ES8801039A1 (es) | 1987-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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