GB412678A - Improvements in and relating to thermionic amplifiers - Google Patents
Improvements in and relating to thermionic amplifiersInfo
- Publication number
- GB412678A GB412678A GB416633A GB416633A GB412678A GB 412678 A GB412678 A GB 412678A GB 416633 A GB416633 A GB 416633A GB 416633 A GB416633 A GB 416633A GB 412678 A GB412678 A GB 412678A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resistances
- tappings
- grids
- transformer
- valves
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/26—Push-pull amplifiers; Phase-splitters therefor
- H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
412,678. Valve amplifying-circuits. STANDARD RADIO RELAY SERVICES, Ltd., Bush House, Aldwych, and ADORJAN, P., 21, Wetherby Gardens, Earl's Court, both in London. Feb. 10,1933.No.4166. [Class 40 (v).] Two valves 1, 2, Fig. 1, operating in push-pull and at the bottom bend of their characteristics, have the input voltage divided between them proportionally to the inverse of the ratio of their mutual conductances, as by tappings from the grids to resistances 4, 5. In another embodiment, the lead from the grid bias battery 6, Fig. 3, is variably tapped onto a resistance 10 across the input, or the secondary of the transformer 3 may be tapped for connection to the battery 6, Fig. 4 (not shown). In a further embodiment, the secondary of the transformer 3, Fig. 2, is in two halves, each shunted by resistances 4, 5 to which the grids of valves 1, 2 are connected by tappings, while adjacent ends of the secondaries are variably connected to the grid bias source 6. The resistances 4, 5 may be dispensed with by tapping each half of the secondary winding, Fig. 5 (not shown).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB416633A GB412678A (en) | 1933-02-10 | 1933-02-10 | Improvements in and relating to thermionic amplifiers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB416633A GB412678A (en) | 1933-02-10 | 1933-02-10 | Improvements in and relating to thermionic amplifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB412678A true GB412678A (en) | 1934-07-05 |
Family
ID=9771950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB416633A Expired GB412678A (en) | 1933-02-10 | 1933-02-10 | Improvements in and relating to thermionic amplifiers |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB412678A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1182302B (en) * | 1958-01-07 | 1964-11-26 | Maihak Ag | Single stage transistor push-pull amplifier |
| EP1787388A2 (en) * | 2004-07-19 | 2007-05-23 | Peavey Electronics Corporation | Methods and apparatus for variable harmonic distortion |
-
1933
- 1933-02-10 GB GB416633A patent/GB412678A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1182302B (en) * | 1958-01-07 | 1964-11-26 | Maihak Ag | Single stage transistor push-pull amplifier |
| EP1787388A2 (en) * | 2004-07-19 | 2007-05-23 | Peavey Electronics Corporation | Methods and apparatus for variable harmonic distortion |
| EP1787388A4 (en) * | 2004-07-19 | 2010-12-15 | Peavey Electronics Corp | Methods and apparatus for variable harmonic distortion |
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