CA1175505A - Circuit arrangement with electronically controllable transfer characteristic - Google Patents
Circuit arrangement with electronically controllable transfer characteristicInfo
- Publication number
- CA1175505A CA1175505A CA000387125A CA387125A CA1175505A CA 1175505 A CA1175505 A CA 1175505A CA 000387125 A CA000387125 A CA 000387125A CA 387125 A CA387125 A CA 387125A CA 1175505 A CA1175505 A CA 1175505A
- Authority
- CA
- Canada
- Prior art keywords
- circuit arrangement
- circuit
- output
- amplifier
- capacitor
- 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
- 239000003990 capacitor Substances 0.000 claims abstract description 39
- 230000007423 decrease Effects 0.000 claims description 11
- 230000001419 dependent effect Effects 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 12
- 230000009467 reduction Effects 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 238000012886 linear function Methods 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/001—Digital control of analog signals
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Amplifiers (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3037986 | 1980-10-08 | ||
| DEP3037986.3 | 1980-10-08 | ||
| DE19813132402 DE3132402A1 (de) | 1980-10-08 | 1981-08-17 | Schaltungsanordnung mit elektronisch steuerbarem uebertragungsverhalten |
| DEP3132402.9 | 1981-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1175505A true CA1175505A (en) | 1984-10-02 |
Family
ID=25788351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000387125A Expired CA1175505A (en) | 1980-10-08 | 1981-10-01 | Circuit arrangement with electronically controllable transfer characteristic |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA1175505A (enrdf_load_html_response) |
| DE (1) | DE3132402A1 (enrdf_load_html_response) |
| ES (1) | ES8301400A1 (enrdf_load_html_response) |
| FR (1) | FR2491696A1 (enrdf_load_html_response) |
| GB (1) | GB2085686B (enrdf_load_html_response) |
| IT (1) | IT1138934B (enrdf_load_html_response) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8201376A (nl) * | 1982-04-01 | 1983-11-01 | Philips Nv | Schakeling voor het versterken en/of verzwakken van een signaal. |
| US4490843A (en) * | 1982-06-14 | 1984-12-25 | Bose Corporation | Dynamic equalizing |
| DE3222607A1 (de) * | 1982-06-16 | 1983-12-22 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung mit mehreren, durch aktive schaltungen gebildeten signalpfaden |
| GB2217539B (en) * | 1988-04-14 | 1992-09-23 | Plessey Co Plc | Prescaler output filter |
| DE4015019A1 (de) * | 1990-05-10 | 1991-11-14 | Philips Patentverwaltung | Schaltungsanordnung mit elektronisch steuerbarem uebertragungsverhalten |
| DE4114364A1 (de) * | 1991-05-02 | 1992-11-12 | Sgs Thomson Microelectronics | Vorrichtung zur gehoerrichtigen lautstaerkesteuerung |
| DE4431481A1 (de) * | 1994-09-03 | 1996-03-07 | Philips Patentverwaltung | Schaltungsanordnung mit steuerbarem Übertragungsverhalten |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2262089C3 (de) * | 1972-12-19 | 1975-10-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller |
| DE2332211C3 (de) * | 1973-06-25 | 1978-12-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Gerät zum Auswerten von elektrischen Signalen |
| DE2629701A1 (de) * | 1976-07-02 | 1978-01-05 | Licentia Gmbh | Verstaerker mit steuerbarem uebertragungsmass und umschaltbarer steuerkennlinie |
| DE2647602A1 (de) * | 1976-10-21 | 1978-04-27 | Licentia Gmbh | Bandpass mit veraenderbarer durchlassdaempfung |
| JPS54114159A (en) * | 1978-02-27 | 1979-09-06 | Mitsubishi Electric Corp | Automatic gain control circuit |
| DE2847363C2 (de) * | 1978-10-31 | 1982-06-09 | Matth. Hohner Ag, 7218 Trossingen | Transistorverstärker |
| DE2920056A1 (de) * | 1979-05-18 | 1980-11-27 | Blaupunkt Werke Gmbh | Nf-verstaerker |
-
1981
- 1981-08-17 DE DE19813132402 patent/DE3132402A1/de active Granted
- 1981-10-01 CA CA000387125A patent/CA1175505A/en not_active Expired
- 1981-10-05 IT IT24315/81A patent/IT1138934B/it active
- 1981-10-05 GB GB8130003A patent/GB2085686B/en not_active Expired
- 1981-10-06 ES ES506051A patent/ES8301400A1/es not_active Expired
- 1981-10-07 FR FR8118876A patent/FR2491696A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2491696B1 (enrdf_load_html_response) | 1984-06-08 |
| DE3132402C2 (enrdf_load_html_response) | 1988-06-01 |
| DE3132402A1 (de) | 1982-05-27 |
| FR2491696A1 (fr) | 1982-04-09 |
| IT8124315A0 (it) | 1981-10-05 |
| GB2085686A (en) | 1982-04-28 |
| GB2085686B (en) | 1985-04-17 |
| ES506051A0 (es) | 1982-11-16 |
| IT1138934B (it) | 1986-09-17 |
| ES8301400A1 (es) | 1982-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |