IT7820494A0 - Dispositivo circuitale per il controllo dell'amplificazione. - Google Patents
Dispositivo circuitale per il controllo dell'amplificazione.Info
- Publication number
- IT7820494A0 IT7820494A0 IT7820494A IT2049478A IT7820494A0 IT 7820494 A0 IT7820494 A0 IT 7820494A0 IT 7820494 A IT7820494 A IT 7820494A IT 2049478 A IT2049478 A IT 2049478A IT 7820494 A0 IT7820494 A0 IT 7820494A0
- Authority
- IT
- Italy
- Prior art keywords
- amplifiation
- control
- circuit device
- circuit
- amplifiation control
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance
-
- 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
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
- Control Of Electrical Variables (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2707870A DE2707870C2 (de) | 1977-02-24 | 1977-02-24 | Schaltungsanordnung zur Verstärkungssteuerung |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7820494A0 true IT7820494A0 (it) | 1978-02-21 |
IT1094218B IT1094218B (it) | 1985-07-26 |
Family
ID=6001999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20494/78A IT1094218B (it) | 1977-02-24 | 1978-02-21 | Dispositivo circuitale per il controllo dell'amplificazione |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE864142A (it) |
DE (1) | DE2707870C2 (it) |
DK (1) | DK82278A (it) |
ES (1) | ES467264A1 (it) |
FR (1) | FR2382131A1 (it) |
IT (1) | IT1094218B (it) |
LU (1) | LU79109A1 (it) |
NL (1) | NL7802048A (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3002311A (en) * | 1960-03-09 | 1961-10-03 | James G Kyper | Fishing lure |
DE2946305A1 (de) * | 1979-11-16 | 1981-05-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Impedanzschaltung mit steuerbarem widerstandswert |
DE3116262A1 (de) * | 1981-04-24 | 1982-11-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "schaltungsanordnung zur erzeugung von steuergroessen aus dem schleifenstrom" |
EP0102945A1 (en) * | 1982-03-04 | 1984-03-21 | Standard Telephones And Cables Public Limited Company | Waveform clipping circuits |
DE3235686A1 (de) * | 1982-03-15 | 1983-09-22 | Wilfred E. Zürich Schönmann | Gegenstrom-waermetauscher mit kippbarem register |
DE3329665A1 (de) * | 1983-08-17 | 1985-03-07 | Telefunken electronic GmbH, 7100 Heilbronn | Schaltungsanordnung zur verstaerkung elektrischer signale |
GB8702730D0 (en) * | 1987-02-06 | 1987-03-11 | Shaffer A E | Weedless fish lure |
US5195268A (en) * | 1991-11-21 | 1993-03-23 | Ellis Gregory T | Weedless hook for lures |
US5218778A (en) * | 1992-05-28 | 1993-06-15 | Szantor Alfons J | Fishing lure |
DE102004004862B4 (de) * | 2004-01-30 | 2010-04-08 | Infineon Technologies Ag | Integrierte Halbleiterdiodenanordnung und integriertes Halbleiterbauteil |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1911547A1 (de) * | 1969-03-07 | 1970-09-24 | Blaupunkt Werke Gmbh | Regelbarer Wechselspannungsverstaerker |
DE2308835C3 (de) * | 1972-03-02 | 1986-03-27 | Sony Corp., Tokio/Tokyo | Regelbarer Verstärker für elektrische Signale |
US3873933A (en) * | 1973-11-08 | 1975-03-25 | Rca Corp | Circuit with adjustable gain current mirror amplifier |
DE2402801C2 (de) * | 1974-01-22 | 1982-08-05 | Robert Bosch Gmbh, 7000 Stuttgart | Transistor-Hörgeräteverstärker mit automatischer Verstärkungsregelung |
NL7414217A (nl) * | 1974-10-31 | 1976-05-04 | Philips Nv | Versterker met signaalniveauregeling. |
-
1977
- 1977-02-24 DE DE2707870A patent/DE2707870C2/de not_active Expired
-
1978
- 1978-02-21 BE BE185324A patent/BE864142A/xx not_active IP Right Cessation
- 1978-02-21 IT IT20494/78A patent/IT1094218B/it active
- 1978-02-22 LU LU79109A patent/LU79109A1/de unknown
- 1978-02-23 ES ES467264A patent/ES467264A1/es not_active Expired
- 1978-02-23 NL NL7802048A patent/NL7802048A/xx not_active Application Discontinuation
- 1978-02-23 DK DK82278A patent/DK82278A/da unknown
- 1978-02-24 FR FR7805437A patent/FR2382131A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2707870A1 (de) | 1978-08-31 |
IT1094218B (it) | 1985-07-26 |
ES467264A1 (es) | 1980-02-01 |
FR2382131A1 (fr) | 1978-09-22 |
DK82278A (da) | 1978-08-25 |
LU79109A1 (de) | 1978-06-27 |
DE2707870C2 (de) | 1983-04-28 |
BE864142A (fr) | 1978-06-16 |
NL7802048A (nl) | 1978-08-28 |
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