JPS5239347A - Variable impedance circuit - Google Patents
Variable impedance circuitInfo
- Publication number
- JPS5239347A JPS5239347A JP11483175A JP11483175A JPS5239347A JP S5239347 A JPS5239347 A JP S5239347A JP 11483175 A JP11483175 A JP 11483175A JP 11483175 A JP11483175 A JP 11483175A JP S5239347 A JPS5239347 A JP S5239347A
- Authority
- JP
- Japan
- Prior art keywords
- variable impedance
- impedance circuit
- variation
- less
- operational amplifier
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
Landscapes
- Networks Using Active Elements (AREA)
Abstract
PURPOSE:To stably realize the variation of impedance over a wide range with the use of an ideal operational amplifier which has an amplification degree of less than 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11483175A JPS5239347A (en) | 1975-09-25 | 1975-09-25 | Variable impedance circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11483175A JPS5239347A (en) | 1975-09-25 | 1975-09-25 | Variable impedance circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5239347A true JPS5239347A (en) | 1977-03-26 |
Family
ID=14647773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11483175A Pending JPS5239347A (en) | 1975-09-25 | 1975-09-25 | Variable impedance circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5239347A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03145208A (en) * | 1989-10-31 | 1991-06-20 | Fujitsu Ltd | Variable impedance circuit |
-
1975
- 1975-09-25 JP JP11483175A patent/JPS5239347A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03145208A (en) * | 1989-10-31 | 1991-06-20 | Fujitsu Ltd | Variable impedance circuit |
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