DE1071136B - - Google Patents
Info
- Publication number
- DE1071136B DE1071136B DENDAT1071136D DE1071136DA DE1071136B DE 1071136 B DE1071136 B DE 1071136B DE NDAT1071136 D DENDAT1071136 D DE NDAT1071136D DE 1071136D A DE1071136D A DE 1071136DA DE 1071136 B DE1071136 B DE 1071136B
- Authority
- DE
- Germany
- 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.)
- Pending
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
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/347—Negative-feedback-circuit arrangements with or without positive feedback using transformers
-
- 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
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3063—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver using at least one transistor as controlling device, the transistor being used as a variable impedance device
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1209160X | 1957-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1071136B true DE1071136B (US06623731-20030923-C00012.png) |
Family
ID=4563117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1071136D Pending DE1071136B (US06623731-20030923-C00012.png) | 1957-05-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE567879A (US06623731-20030923-C00012.png) |
| CH (1) | CH350993A (US06623731-20030923-C00012.png) |
| DE (1) | DE1071136B (US06623731-20030923-C00012.png) |
| FR (1) | FR1209160A (US06623731-20030923-C00012.png) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1132975B (de) * | 1960-11-23 | 1962-07-12 | Wolfgang Assmann G M B H | Regelschaltung fuer transistorisierte Verstaerker |
| DE1247405B (de) * | 1960-06-09 | 1967-08-17 | Telefunken Patent | In einem weiten Bereich regelbarer einstufiger Transistorverstaerker |
| DE1276737B (de) * | 1966-03-01 | 1968-09-05 | Graetz Kommanditgesellschaft | Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL234187A (US06623731-20030923-C00012.png) * | 1958-12-12 | |||
| US3412340A (en) * | 1966-03-03 | 1968-11-19 | Bendix Corp | Variable attenuation circuit |
-
0
- BE BE567879D patent/BE567879A/fr unknown
- DE DENDAT1071136D patent/DE1071136B/de active Pending
-
1957
- 1957-05-24 CH CH350993D patent/CH350993A/de unknown
-
1958
- 1958-05-23 FR FR1209160D patent/FR1209160A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1247405B (de) * | 1960-06-09 | 1967-08-17 | Telefunken Patent | In einem weiten Bereich regelbarer einstufiger Transistorverstaerker |
| DE1132975B (de) * | 1960-11-23 | 1962-07-12 | Wolfgang Assmann G M B H | Regelschaltung fuer transistorisierte Verstaerker |
| DE1276737B (de) * | 1966-03-01 | 1968-09-05 | Graetz Kommanditgesellschaft | Schaltungsanordnung zur Auf- und Abwaertsregelung eines zweistufigen Transistorverstaerkers |
Also Published As
| Publication number | Publication date |
|---|---|
| CH350993A (de) | 1960-12-31 |
| FR1209160A (fr) | 1960-02-29 |
| BE567879A (US06623731-20030923-C00012.png) |
