GB1233980A - - Google Patents
Info
- Publication number
- GB1233980A GB1233980A GB1233980DA GB1233980A GB 1233980 A GB1233980 A GB 1233980A GB 1233980D A GB1233980D A GB 1233980DA GB 1233980 A GB1233980 A GB 1233980A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- circuit
- june
- series
- variable impedance
- 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
- 238000004804 winding Methods 0.000 abstract 3
- 230000000295 complement effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/46—One-port networks
Landscapes
- Networks Using Active Elements (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681762493 DE1762493B2 (de) | 1968-06-27 | 1968-06-27 | Steuerbare widerstandsanordnung insbesondere fuer regel schaltungen mit grosser regelsteilheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1233980A true GB1233980A (enrdf_load_stackoverflow) | 1971-06-03 |
Family
ID=5697037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1233980D Expired GB1233980A (enrdf_load_stackoverflow) | 1968-06-27 | 1969-06-26 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4944066B1 (enrdf_load_stackoverflow) |
| DE (1) | DE1762493B2 (enrdf_load_stackoverflow) |
| GB (1) | GB1233980A (enrdf_load_stackoverflow) |
| NL (1) | NL147295B (enrdf_load_stackoverflow) |
| SE (1) | SE344397B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5357567U (enrdf_load_stackoverflow) * | 1976-10-15 | 1978-05-17 |
-
1968
- 1968-06-27 DE DE19681762493 patent/DE1762493B2/de not_active Withdrawn
-
1969
- 1969-06-16 NL NL6909168A patent/NL147295B/xx not_active IP Right Cessation
- 1969-06-26 GB GB1233980D patent/GB1233980A/en not_active Expired
- 1969-06-26 SE SE907869A patent/SE344397B/xx unknown
- 1969-06-27 JP JP5039269A patent/JPS4944066B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL6909168A (enrdf_load_stackoverflow) | 1969-12-30 |
| DE1762493A1 (de) | 1971-03-04 |
| DE1762493B2 (de) | 1972-01-20 |
| SE344397B (enrdf_load_stackoverflow) | 1972-04-10 |
| NL147295B (nl) | 1975-09-15 |
| JPS4944066B1 (enrdf_load_stackoverflow) | 1974-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |