FI213874A - - Google Patents
Info
- Publication number
- FI213874A FI213874A FI2138/74A FI213874A FI213874A FI 213874 A FI213874 A FI 213874A FI 2138/74 A FI2138/74 A FI 2138/74A FI 213874 A FI213874 A FI 213874A FI 213874 A FI213874 A FI 213874A
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/24—Frequency- independent attenuators
- H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
- H03H7/253—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode
-
- 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
- G05F3/22—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only
- G05F3/222—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the bipolar type only with compensation for device parameters, e.g. Early effect, gain, manufacturing process, or external variations, e.g. temperature, loading, supply voltage
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Amplifiers (AREA)
- Bipolar Transistors (AREA)
- Bipolar Integrated Circuits (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00381176A US3846696A (en) | 1973-07-20 | 1973-07-20 | Current attenuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI213874A true FI213874A (it) | 1975-01-21 |
Family
ID=23504004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2138/74A FI213874A (it) | 1973-07-20 | 1974-07-12 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3846696A (it) |
| JP (1) | JPS5043871A (it) |
| AR (1) | AR200937A1 (it) |
| BE (1) | BE817900A (it) |
| BR (1) | BR7405908D0 (it) |
| CA (1) | CA1021409A (it) |
| DE (1) | DE2434948B2 (it) |
| DK (1) | DK392174A (it) |
| ES (1) | ES428240A1 (it) |
| FI (1) | FI213874A (it) |
| FR (1) | FR2238185B1 (it) |
| GB (1) | GB1466959A (it) |
| IT (1) | IT1017193B (it) |
| NL (1) | NL7409508A (it) |
| SE (1) | SE393498B (it) |
| SU (1) | SU586858A3 (it) |
| ZA (1) | ZA744601B (it) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4123698A (en) * | 1976-07-06 | 1978-10-31 | Analog Devices, Incorporated | Integrated circuit two terminal temperature transducer |
| JPS5346253A (en) * | 1976-10-08 | 1978-04-25 | Toshiba Corp | Signal amplifier circuit |
| DE2654419C2 (de) * | 1976-12-01 | 1983-06-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung zur Spannungsbegrenzung |
| JPS5690008U (it) * | 1980-11-27 | 1981-07-18 | ||
| US4629910A (en) * | 1982-04-21 | 1986-12-16 | At&T Bell Laboratories | High input impedance circuit |
| US4460864A (en) * | 1983-03-17 | 1984-07-17 | Motorola, Inc. | Voltage reference circuit |
| US5089767A (en) * | 1990-04-09 | 1992-02-18 | Unitrode Corporation | Current sensor and limiter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3271660A (en) * | 1963-03-28 | 1966-09-06 | Fairchild Camera Instr Co | Reference voltage source |
| US3277385A (en) * | 1964-04-01 | 1966-10-04 | North American Aviation Inc | Floating to referenced output conversion |
| GB1158416A (en) * | 1965-12-13 | 1969-07-16 | Ibm | Transistor Amplifier |
| US3622897A (en) * | 1968-12-26 | 1971-11-23 | Nippon Electric Co | Bias circuit for a differential amplifier |
| US3740658A (en) * | 1970-03-03 | 1973-06-19 | Motorola Inc | Temperature compensated amplifying circuit |
| US3648153A (en) * | 1970-11-04 | 1972-03-07 | Rca Corp | Reference voltage source |
-
1973
- 1973-07-20 US US00381176A patent/US3846696A/en not_active Expired - Lifetime
-
1974
- 1974-07-02 CA CA203,784A patent/CA1021409A/en not_active Expired
- 1974-07-03 SE SE7408792A patent/SE393498B/xx unknown
- 1974-07-12 FI FI2138/74A patent/FI213874A/fi unknown
- 1974-07-13 ES ES428240A patent/ES428240A1/es not_active Expired
- 1974-07-15 NL NL7409508A patent/NL7409508A/xx not_active Application Discontinuation
- 1974-07-16 IT IT25221/74A patent/IT1017193B/it active
- 1974-07-16 FR FR7424643A patent/FR2238185B1/fr not_active Expired
- 1974-07-17 GB GB3158374A patent/GB1466959A/en not_active Expired
- 1974-07-17 BR BR5908/74A patent/BR7405908D0/pt unknown
- 1974-07-18 AR AR254787A patent/AR200937A1/es active
- 1974-07-18 ZA ZA00744601A patent/ZA744601B/xx unknown
- 1974-07-19 SU SU742059732A patent/SU586858A3/ru active
- 1974-07-19 DE DE19742434948 patent/DE2434948B2/de not_active Withdrawn
- 1974-07-19 BE BE146781A patent/BE817900A/xx unknown
- 1974-07-19 JP JP49083743A patent/JPS5043871A/ja active Pending
- 1974-07-19 DK DK392174A patent/DK392174A/da unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7405908D0 (pt) | 1975-05-13 |
| SE393498B (sv) | 1977-05-09 |
| NL7409508A (nl) | 1975-01-22 |
| SE7408792L (it) | 1975-01-21 |
| AR200937A1 (es) | 1974-12-27 |
| DE2434948A1 (de) | 1975-01-30 |
| US3846696A (en) | 1974-11-05 |
| BE817900A (fr) | 1974-11-18 |
| GB1466959A (en) | 1977-03-16 |
| AU7092374A (en) | 1976-01-08 |
| DK392174A (it) | 1975-03-10 |
| SU586858A3 (ru) | 1977-12-30 |
| IT1017193B (it) | 1977-07-20 |
| ZA744601B (en) | 1975-07-30 |
| CA1021409A (en) | 1977-11-22 |
| DE2434948B2 (de) | 1977-12-01 |
| JPS5043871A (it) | 1975-04-19 |
| ES428240A1 (es) | 1976-07-16 |
| FR2238185A1 (it) | 1975-02-14 |
| FR2238185B1 (it) | 1978-04-28 |