SE140501C1 - - Google Patents
Info
- Publication number
- SE140501C1 SE140501C1 SE81451A SE81451A SE140501C1 SE 140501 C1 SE140501 C1 SE 140501C1 SE 81451 A SE81451 A SE 81451A SE 81451 A SE81451 A SE 81451A SE 140501 C1 SE140501 C1 SE 140501C1
- Authority
- SE
- Sweden
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE715970X | 1951-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE140501C1 true SE140501C1 (xx) | 1953-05-26 |
Family
ID=20315842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE81451A SE140501C1 (xx) | 1951-01-31 | 1951-01-30 |
Country Status (4)
| Country | Link |
|---|---|
| FR (1) | FR1049966A (xx) |
| GB (1) | GB715970A (xx) |
| NL (1) | NL167001B (xx) |
| SE (1) | SE140501C1 (xx) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2848564A (en) * | 1954-07-27 | 1958-08-19 | Gen Electric | Temperature stabilized transistor amplifier |
| US2863955A (en) * | 1953-03-09 | 1958-12-09 | Gen Electric | Direct-coupled amplifiers |
| US2887540A (en) * | 1954-09-20 | 1959-05-19 | Rca Corp | Temperature-compensated transistor biasing circuits |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1069195B (de) * | 1959-11-19 | Siernens-Schuckertwerke Aktiengesellschaft, Berlin und Erlangen | Transistorstufe in Emitterschaltung mit Maßnahmen zur Kompensation temperaturbedingter Änderungen ihrer Ubertragungseigenschaften | |
| DE1032788B (de) * | 1954-11-25 | 1958-06-26 | Philips Nv | Transistorverstaerker mit Arbeitspunktstabilisierung |
| US3028531A (en) * | 1957-07-29 | 1962-04-03 | Danly Mach Specialties Inc | Automatic shut height motor control circuit |
-
0
- NL NL7005155.A patent/NL167001B/xx unknown
-
1951
- 1951-01-30 SE SE81451A patent/SE140501C1/xx unknown
-
1952
- 1952-01-28 GB GB2310/52A patent/GB715970A/en not_active Expired
- 1952-01-29 FR FR1049966D patent/FR1049966A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863955A (en) * | 1953-03-09 | 1958-12-09 | Gen Electric | Direct-coupled amplifiers |
| US2848564A (en) * | 1954-07-27 | 1958-08-19 | Gen Electric | Temperature stabilized transistor amplifier |
| US2887540A (en) * | 1954-09-20 | 1959-05-19 | Rca Corp | Temperature-compensated transistor biasing circuits |
Also Published As
| Publication number | Publication date |
|---|---|
| GB715970A (en) | 1954-09-22 |
| FR1049966A (fr) | 1954-01-04 |
| NL167001B (nl) |