FR2273407A1 - Variable two-terminal impedance - has two impedance elements, one containing at least one fixed impedance - Google Patents
Variable two-terminal impedance - has two impedance elements, one containing at least one fixed impedanceInfo
- Publication number
- FR2273407A1 FR2273407A1 FR7502566A FR7502566A FR2273407A1 FR 2273407 A1 FR2273407 A1 FR 2273407A1 FR 7502566 A FR7502566 A FR 7502566A FR 7502566 A FR7502566 A FR 7502566A FR 2273407 A1 FR2273407 A1 FR 2273407A1
- Authority
- FR
- France
- Prior art keywords
- impedance
- terminal
- variable
- elements
- fixed
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
- H03H11/48—One-port networks simulating reactances
- H03H11/485—Simulating inductances using operational amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
- H03H11/48—One-port networks simulating reactances
Landscapes
- Networks Using Active Elements (AREA)
Abstract
The second impedance element is a three-terminal impedance network whose effective conductance between and the first and the second terminal, and between the first and third terminal is so variable, that when the effective conductance between the first and third terminal increases from zero to a specified value, the conductance between the first and second terminal decreases from the specified value. It comprises a first null or with a first nullator so connected, that it maintains the second and a further terminal at the same potential, and a first norator connected to the second terminal. One of the two impedance elements is a load, and the other a current divider which directs through the load a part of the total current in the variable two-terminal impedance.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB410674 | 1974-01-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2273407A1 true FR2273407A1 (en) | 1975-12-26 |
FR2273407B3 FR2273407B3 (en) | 1977-10-21 |
Family
ID=9770902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7502566A Granted FR2273407A1 (en) | 1974-01-29 | 1975-01-28 | Variable two-terminal impedance - has two impedance elements, one containing at least one fixed impedance |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2503008A1 (en) |
FR (1) | FR2273407A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10109833A1 (en) * | 2001-03-01 | 2002-09-05 | Power One Ag Uster | Device for low-power current detection |
-
1975
- 1975-01-25 DE DE19752503008 patent/DE2503008A1/en active Pending
- 1975-01-28 FR FR7502566A patent/FR2273407A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2273407B3 (en) | 1977-10-21 |
DE2503008A1 (en) | 1975-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |