BE538059A - - Google Patents
Info
- Publication number
- BE538059A BE538059A BE538059DA BE538059A BE 538059 A BE538059 A BE 538059A BE 538059D A BE538059D A BE 538059DA BE 538059 A BE538059 A BE 538059A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- 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
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/20—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers
- H03G9/24—Combinations of two or more types of control, e.g. gain control and tone control in frequency-selective amplifiers having semiconductor devices
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL331070X | 1954-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE538059A true BE538059A (xx) |
Family
ID=19784372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE538059D BE538059A (xx) | 1954-05-11 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE538059A (xx) |
| CH (1) | CH331070A (xx) |
| DE (1) | DE969352C (xx) |
| GB (1) | GB768987A (xx) |
| NL (2) | NL187486B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1145236B (de) * | 1958-12-15 | 1963-03-14 | Telefunken Patent | Schaltungsanordnung zur selbsttaetigen Verstaerkungsregelung von Hoch- oder Zwischenfrequenzverstaerkern mit Transistoren oberhalb eines Schwellenwertes |
| DE1267286B (de) * | 1959-03-05 | 1968-05-02 | Philips Nv | Empfangsschaltung mit Verstaerkungsregelung |
| DE1204286B (de) * | 1961-03-23 | 1965-11-04 | Telefunken Patent | Selektiver regelbarer Transistorverstaerker |
| DE2259675C2 (de) * | 1972-12-06 | 1982-03-04 | Robert Bosch Gmbh, 7000 Stuttgart | Hochfrequenzverstärker |
-
0
- NL NL85795D patent/NL85795C/xx active
- NL NLAANVRAGE8700830,A patent/NL187486B/xx unknown
- BE BE538059D patent/BE538059A/xx unknown
-
1955
- 1955-05-06 GB GB13191/55A patent/GB768987A/en not_active Expired
- 1955-05-08 DE DEN10618A patent/DE969352C/de not_active Expired
- 1955-05-09 CH CH331070D patent/CH331070A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL187486B (nl) | |
| CH331070A (de) | 1958-06-30 |
| DE969352C (de) | 1958-05-22 |
| NL85795C (xx) | |
| GB768987A (en) | 1957-02-27 |