JPS4897575A - - Google Patents
Info
- Publication number
- JPS4897575A JPS4897575A JP2169373A JP2169373A JPS4897575A JP S4897575 A JPS4897575 A JP S4897575A JP 2169373 A JP2169373 A JP 2169373A JP 2169373 A JP2169373 A JP 2169373A JP S4897575 A JPS4897575 A JP S4897575A
- Authority
- JP
- Japan
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
- H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
-
- 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
- G01R19/12—Measuring rate of change
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/14—Arrangements for performing computing operations, e.g. operational amplifiers for addition or subtraction
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers for integration or differentiation; for forming integrals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Measurement Of Current Or Voltage (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB810272A GB1414985A (en) | 1972-02-22 | 1972-02-22 | Current measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4897575A true JPS4897575A (en]) | 1973-12-12 |
Family
ID=9845808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2169373A Pending JPS4897575A (en]) | 1972-02-22 | 1973-02-22 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4897575A (en]) |
| BE (1) | BE795784A (en]) |
| DE (1) | DE2308788A1 (en]) |
| FR (1) | FR2173207A1 (en]) |
| GB (1) | GB1414985A (en]) |
| NL (1) | NL7302437A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559332U (ja) * | 1992-01-17 | 1993-08-06 | 株式会社アドバンテスト | 微小電流測定器 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5235851A (en) * | 1975-09-16 | 1977-03-18 | Seiko Instr & Electronics Ltd | Power source voltage detection circuit |
| SI21892A (sl) | 2004-09-29 | 2006-04-30 | Vinko Kunc | Postopek in vezje za merjenje zelo nizke jakosti elektricnega toka |
| DE102009022135A1 (de) | 2009-05-20 | 2010-11-25 | Universität Osnabrück | Schaltungsanordnung zur Messung von elektrischem Strom |
| GB2564872A (en) * | 2017-07-25 | 2019-01-30 | Quepal Ltd | Measurement of instantaneous current |
| IT201900013065A1 (it) * | 2019-07-26 | 2021-01-26 | Eldor Corp Spa | Sistema di alimentazione con protezione da variazioni di corrente |
-
0
- BE BE795784D patent/BE795784A/xx unknown
-
1972
- 1972-02-22 GB GB810272A patent/GB1414985A/en not_active Expired
-
1973
- 1973-02-21 NL NL7302437A patent/NL7302437A/xx not_active Application Discontinuation
- 1973-02-22 FR FR7306353A patent/FR2173207A1/fr not_active Withdrawn
- 1973-02-22 JP JP2169373A patent/JPS4897575A/ja active Pending
- 1973-02-22 DE DE19732308788 patent/DE2308788A1/de active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559332U (ja) * | 1992-01-17 | 1993-08-06 | 株式会社アドバンテスト | 微小電流測定器 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2308788A1 (de) | 1973-08-30 |
| GB1414985A (en) | 1975-11-26 |
| BE795784A (fr) | 1973-06-18 |
| NL7302437A (en]) | 1973-08-24 |
| FR2173207A1 (en]) | 1973-10-05 |