PL122911B1 - Circuit for automatic control of level of signals in acoustic devices - Google Patents
Circuit for automatic control of level of signals in acoustic devices Download PDFInfo
- Publication number
- PL122911B1 PL122911B1 PL19822777A PL19822777A PL122911B1 PL 122911 B1 PL122911 B1 PL 122911B1 PL 19822777 A PL19822777 A PL 19822777A PL 19822777 A PL19822777 A PL 19822777A PL 122911 B1 PL122911 B1 PL 122911B1
- Authority
- PL
- Poland
- Prior art keywords
- amplifier
- input
- output
- resistor
- transistor
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000003321 amplification Effects 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU76BU803A HU173964B (hu) | 1976-05-21 | 1976-05-21 | Ehlektroskhema dlja avtomaticheskogo izmenenija postojannoj vremeni obratnogo regulirovanija zvukochastotnykh ustrojstv s avtomaticheskim regulirovaniem urovnja |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL122911B1 true PL122911B1 (en) | 1982-09-30 |
Family
ID=10993996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19822777A PL122911B1 (en) | 1976-05-21 | 1977-05-19 | Circuit for automatic control of level of signals in acoustic devices |
Country Status (7)
| Country | Link |
|---|---|
| BG (1) | BG30779A3 (ro) |
| CS (1) | CS198257B2 (ro) |
| DD (1) | DD130896A5 (ro) |
| DE (1) | DE2719184A1 (ro) |
| HU (1) | HU173964B (ro) |
| PL (1) | PL122911B1 (ro) |
| RO (1) | RO72922A (ro) |
-
1976
- 1976-05-21 HU HU76BU803A patent/HU173964B/hu not_active IP Right Cessation
-
1977
- 1977-04-29 DE DE19772719184 patent/DE2719184A1/de active Pending
- 1977-05-17 BG BG036334A patent/BG30779A3/xx unknown
- 1977-05-18 CS CS326277A patent/CS198257B2/cs unknown
- 1977-05-18 DD DD19898477A patent/DD130896A5/xx not_active IP Right Cessation
- 1977-05-19 RO RO7790400A patent/RO72922A/ro unknown
- 1977-05-19 PL PL19822777A patent/PL122911B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DD130896A5 (de) | 1978-05-10 |
| RO72922A (ro) | 1982-10-11 |
| BG30779A3 (en) | 1981-08-14 |
| HU173964B (hu) | 1979-10-28 |
| CS198257B2 (en) | 1980-05-30 |
| DE2719184A1 (de) | 1977-11-24 |
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