GB462247A - Improvements in or relating to valve amplifying circuits for television and like purposes - Google Patents
Improvements in or relating to valve amplifying circuits for television and like purposesInfo
- Publication number
- GB462247A GB462247A GB2465635A GB2465635A GB462247A GB 462247 A GB462247 A GB 462247A GB 2465635 A GB2465635 A GB 2465635A GB 2465635 A GB2465635 A GB 2465635A GB 462247 A GB462247 A GB 462247A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- amplifying circuits
- television
- variable
- relating
- 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
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/33—Modifications of amplifiers to reduce non-linear distortion in discharge-tube amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
462,247. Valve amplifying circuits. BROWN, A. J., and BAIRD TELEVISION, Ltd. Sept. 4, 1935, No. 24656. [Class 40 (v)] Distortion due to the characteristic of an associated circuit or device, e.g. the modulation characteristic of a cathode-ray tube in which the light intensity is generally not proportional to the modulating potential, is compensated by a parallel valve arrangement. One valve is a triode capable of handling large signals while the other is a variable-mu valve, the screen potential of which may be varied. The signals are preferably applied in the negative sense and means provided such as the potentiometer 3 to control the ratio of the signal applied to the two valves. The Figure shows an arrangement in which a resistance 5 is included in the triode output to prevent loss of the gain from the variable-mu valve 1, the output being taken from the common load resistance 4.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2465635A GB462247A (en) | 1935-09-04 | 1935-09-04 | Improvements in or relating to valve amplifying circuits for television and like purposes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2465635A GB462247A (en) | 1935-09-04 | 1935-09-04 | Improvements in or relating to valve amplifying circuits for television and like purposes |
Publications (1)
Publication Number | Publication Date |
---|---|
GB462247A true GB462247A (en) | 1937-03-04 |
Family
ID=10215156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2465635A Expired GB462247A (en) | 1935-09-04 | 1935-09-04 | Improvements in or relating to valve amplifying circuits for television and like purposes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB462247A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE887209C (en) * | 1937-06-19 | 1953-08-20 | Siemens Ag | Optical control device with light valve for telegraph receiver |
DE926968C (en) * | 1949-07-21 | 1955-04-28 | Emi Ltd | Arrangement for adjustable deformation of electrical signals, in particular for television purposes |
DE955779C (en) * | 1952-05-07 | 1957-01-10 | Philips Nv | Circuit arrangement for regulating the gradation of an image signal |
-
1935
- 1935-09-04 GB GB2465635A patent/GB462247A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE887209C (en) * | 1937-06-19 | 1953-08-20 | Siemens Ag | Optical control device with light valve for telegraph receiver |
DE926968C (en) * | 1949-07-21 | 1955-04-28 | Emi Ltd | Arrangement for adjustable deformation of electrical signals, in particular for television purposes |
DE955779C (en) * | 1952-05-07 | 1957-01-10 | Philips Nv | Circuit arrangement for regulating the gradation of an image signal |
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