CA944020A - Microampere current source - Google Patents
Microampere current sourceInfo
- Publication number
- CA944020A CA944020A CA101,001A CA101001A CA944020A CA 944020 A CA944020 A CA 944020A CA 101001 A CA101001 A CA 101001A CA 944020 A CA944020 A CA 944020A
- Authority
- CA
- Canada
- Prior art keywords
- current source
- microampere current
- microampere
- source
- current
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/30—Regulators using the difference between the base-emitter voltages of two bipolar transistors operating at different current densities
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Bipolar Integrated Circuits (AREA)
- Bipolar Transistors (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6919466A NL6919466A (en) | 1969-12-25 | 1969-12-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA944020A true CA944020A (en) | 1974-03-19 |
Family
ID=19808721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA101,001A Expired CA944020A (en) | 1969-12-25 | 1970-12-18 | Microampere current source |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS509976B1 (en) |
CA (1) | CA944020A (en) |
DE (1) | DE2059756B2 (en) |
ES (1) | ES386770A1 (en) |
GB (1) | GB1339908A (en) |
HK (1) | HK57876A (en) |
NL (1) | NL6919466A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3329664A1 (en) * | 1983-08-17 | 1985-03-07 | Telefunken electronic GmbH, 7100 Heilbronn | CIRCUIT FOR CONVERTING SIGNAL SIGNALS |
DE4111584A1 (en) * | 1991-04-10 | 1992-10-15 | Thomson Brandt Gmbh | CIRCUIT FOR GENERATING VERY SMALL CURRENTS |
CN113884203B (en) * | 2021-08-30 | 2023-11-14 | 南通职业大学 | Semiconductor Vacuum Diode Temperature Sensor |
-
1969
- 1969-12-25 NL NL6919466A patent/NL6919466A/xx unknown
-
1970
- 1970-12-04 DE DE19702059756 patent/DE2059756B2/en not_active Withdrawn
- 1970-12-18 CA CA101,001A patent/CA944020A/en not_active Expired
- 1970-12-22 JP JP11556570A patent/JPS509976B1/ja active Pending
- 1970-12-22 GB GB6082570A patent/GB1339908A/en not_active Expired
- 1970-12-23 ES ES386770A patent/ES386770A1/en not_active Expired
-
1976
- 1976-09-23 HK HK57876A patent/HK57876A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2059756B2 (en) | 1976-06-10 |
ES386770A1 (en) | 1973-04-01 |
DE2059756A1 (en) | 1971-07-01 |
JPS509976B1 (en) | 1975-04-17 |
HK57876A (en) | 1976-10-01 |
NL6919466A (en) | 1971-06-29 |
GB1339908A (en) | 1973-12-05 |
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