AT239859B - Schaltungsanordnung zum steuerbaren Abschwächen eines Signals - Google Patents
Schaltungsanordnung zum steuerbaren Abschwächen eines SignalsInfo
- Publication number
- AT239859B AT239859B AT39064A AT39064A AT239859B AT 239859 B AT239859 B AT 239859B AT 39064 A AT39064 A AT 39064A AT 39064 A AT39064 A AT 39064A AT 239859 B AT239859 B AT 239859B
- Authority
- AT
- Austria
- Prior art keywords
- signal
- circuit arrangement
- controllable attenuation
- attenuation
- controllable
- Prior art date
Links
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
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
-
- 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
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
-
- 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
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
-
- 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
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 |
|---|---|---|---|
| NL288054 | 1963-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT239859B true AT239859B (de) | 1965-04-26 |
Family
ID=19754369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT39064A AT239859B (de) | 1963-01-22 | 1964-01-20 | Schaltungsanordnung zum steuerbaren Abschwächen eines Signals |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT239859B (de) |
| DE (1) | DE1188665B (de) |
| DK (1) | DK109570C (de) |
| GB (1) | GB998437A (de) |
| SE (1) | SE307976B (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649760A (en) * | 1969-07-22 | 1972-03-14 | Roger C Glidden | Bandpass amplifier circuit |
| DE3114770C2 (de) * | 1981-04-11 | 1984-02-02 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Schaltungsanordnung zur Spitzenwertgleichrichtung |
| GB2289583B (en) * | 1994-05-04 | 1999-06-23 | Gilden Research Ltd | Adaptive audio system |
-
1964
- 1964-01-17 GB GB218164A patent/GB998437A/en not_active Expired
- 1964-01-18 DK DK26164A patent/DK109570C/da active
- 1964-01-18 DE DEN24316A patent/DE1188665B/de active Pending
- 1964-01-20 AT AT39064A patent/AT239859B/de active
- 1964-01-20 SE SE65764A patent/SE307976B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB998437A (en) | 1965-07-14 |
| SE307976B (de) | 1969-01-27 |
| DK109570C (da) | 1968-05-13 |
| DE1188665B (de) | 1965-03-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH435371A (de) | Ubertragungsanlage zum Übertragen von Impulssignalen in einem vorgeschriebenen Frequenzband | |
| CH426928A (de) | Ubertragungsanlage für Impulssignale | |
| AT239859B (de) | Schaltungsanordnung zum steuerbaren Abschwächen eines Signals | |
| BR6461686D0 (pt) | Circuito transmissor de sinais | |
| FR1350440A (fr) | Dispositif de reproduction de signaux | |
| CH432586A (de) | Uebertragungsschaltung zum Umkehren der Polarität eines Signals | |
| GB1004539A (en) | Self testing means for computer controlled signal attenuating devices | |
| CH456738A (de) | Regelanordnung zum Ansprechen auf frequenz- und zeitproportionale Signale | |
| AT244433B (de) | Signal-Übertragungssystem | |
| FR1446016A (fr) | Perfectionnements aux circuits suppresseurs de signaux | |
| CH421181A (de) | Einrichtung zur Unterdrückung von sich wiederholenden Hintergrund-Störsignalen | |
| CH393491A (de) | Schaltung zum Empfang von Fernsteuersignalen | |
| CH399247A (de) | Signalschiessgerät | |
| CH443155A (de) | Läutwerk für Zeitmessgeräte | |
| AT266224B (de) | Schaltungsanordnung zur Schutzsignalübertragung über Hochspannungsleitungen | |
| CH428254A (de) | Signal-Wiedergabevorrichtung | |
| FR1419162A (fr) | Conformateur de signaux | |
| FR1373794A (fr) | Circuit amplificateur de signaux | |
| CH410070A (fr) | Transmetteur-récepteur de signaux multifréquences | |
| FR1387408A (fr) | Générateur de signaux de caractère | |
| FR1378600A (fr) | Circuit pour séparer des signaux | |
| FR1324986A (fr) | Clignotant | |
| FR1385252A (fr) | Circuit pour amplifier des signaux électriques | |
| CA676385A (en) | Apparatus for measuring variable physical conditions employing a variable frequency signal | |
| CH408161A (de) | Elektromagnetischer Signalgeber |