GB2095954A - Compander system - Google Patents
Compander system Download PDFInfo
- Publication number
- GB2095954A GB2095954A GB8134666A GB8134666A GB2095954A GB 2095954 A GB2095954 A GB 2095954A GB 8134666 A GB8134666 A GB 8134666A GB 8134666 A GB8134666 A GB 8134666A GB 2095954 A GB2095954 A GB 2095954A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transistor
- signal
- current
- log
- input
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 230000003071 parasitic effect Effects 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims 19
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000003139 buffering effect Effects 0.000 claims 1
- 238000006880 cross-coupling reaction Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 10
- 238000012546 transfer Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000001419 dependent effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24783081A | 1981-03-26 | 1981-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2095954A true GB2095954A (en) | 1982-10-06 |
Family
ID=22936557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8134666A Withdrawn GB2095954A (en) | 1981-03-26 | 1981-11-18 | Compander system |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS57162813A (enrdf_load_html_response) |
AU (1) | AU8068882A (enrdf_load_html_response) |
CA (1) | CA1164350A (enrdf_load_html_response) |
DE (1) | DE3210662A1 (enrdf_load_html_response) |
GB (1) | GB2095954A (enrdf_load_html_response) |
NL (1) | NL8200892A (enrdf_load_html_response) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6084974A (en) * | 1993-05-18 | 2000-07-04 | Yamaha Corporation | Digital signal processing device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62105460A (ja) * | 1985-11-01 | 1987-05-15 | Rohm Co Ltd | 集積回路 |
-
1981
- 1981-05-12 JP JP56071265A patent/JPS57162813A/ja active Granted
- 1981-11-18 CA CA000390368A patent/CA1164350A/en not_active Expired
- 1981-11-18 GB GB8134666A patent/GB2095954A/en not_active Withdrawn
-
1982
- 1982-02-22 AU AU80688/82A patent/AU8068882A/en not_active Abandoned
- 1982-03-04 NL NL8200892A patent/NL8200892A/nl not_active Application Discontinuation
- 1982-03-23 DE DE19823210662 patent/DE3210662A1/de not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6084974A (en) * | 1993-05-18 | 2000-07-04 | Yamaha Corporation | Digital signal processing device |
Also Published As
Publication number | Publication date |
---|---|
AU8068882A (en) | 1982-09-30 |
DE3210662A1 (de) | 1982-10-14 |
CA1164350A (en) | 1984-03-27 |
JPS6248927B2 (enrdf_load_html_response) | 1987-10-16 |
JPS57162813A (en) | 1982-10-06 |
NL8200892A (nl) | 1982-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5570055A (en) | Demodulating logarithmic amplifier | |
EP0004099B1 (en) | Electrically variable impedance circuit | |
US3453554A (en) | High performance circuit instrumentation amplifier with high common mode rejection | |
US4409500A (en) | Operational rectifier and bias generator | |
US4403199A (en) | Gain control systems | |
EP0196906B1 (en) | Automatic gain control detection circuit | |
GB2068190A (en) | Class "b" type amplifier | |
CA1198178A (en) | All npn vca | |
GB2066601A (en) | Electrically variable impedance circuit with feedback comppensation | |
US4377792A (en) | Compander system | |
HK35497A (en) | Input circuit for a high-frequency amplifier | |
US4260956A (en) | Temperature compensating bias circuit | |
US5012139A (en) | Full wave rectifier/averaging circuit | |
US4473793A (en) | Bias generator | |
JP3404209B2 (ja) | トランスインピーダンス増幅器回路 | |
US4329598A (en) | Bias generator | |
US5327099A (en) | Differential stage that provides minimal offset between inputs | |
US4050029A (en) | Electronic apparatus comprising an audio amplifier providing shunt voltage regulation | |
HK1002240B (en) | Full wave rectifier/averaging circuit | |
GB2095954A (en) | Compander system | |
JPS5924561B2 (ja) | 電子制御可能な増幅要素または減衰要素の伝送量を制御する制御量発生回路 | |
US4500798A (en) | Diode simulator circuit | |
US3427560A (en) | Direct current amplifier | |
US4758797A (en) | Amplifier with compressor and expander function for ground symmetrical electrical signals | |
US5506536A (en) | Differential amplifier with exponential gain characteristic |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |