GB777242A - Improvements in or relating to power supply circuits suitable for electronic discharge devices fed by rectified alternating current - Google Patents
Improvements in or relating to power supply circuits suitable for electronic discharge devices fed by rectified alternating currentInfo
- Publication number
- GB777242A GB777242A GB2979852A GB2979852A GB777242A GB 777242 A GB777242 A GB 777242A GB 2979852 A GB2979852 A GB 2979852A GB 2979852 A GB2979852 A GB 2979852A GB 777242 A GB777242 A GB 777242A
- Authority
- GB
- United Kingdom
- Prior art keywords
- load
- inductance
- ripple
- valve
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/005—Reducing noise, e.g. humm, from the supply
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Rectifiers (AREA)
- Ac-Ac Conversion (AREA)
Abstract
777,242. Automatic D.C. smoothing control systems. PERKINS, L. Jan. 4, 1954 [Nov. 25, 1952], No. 29798/52. Classes 38 (2) and 38 (4). A load 12, Fig. 6, is supplied in series with an inductance 11 from a rectified A.C. source connected to terminals 10 and ripple voltage across the load is reduced in negative feedback manner by applying it to an amplifier A, the output of which is applied to a valve 13 having load 12 in its cathode circuit. Further reduction of ripple is obtained by applying the ripple voltage across a secondary winding 17 of inductance 11 to the grid circuit of valve 13, the anode circuit or which is also coupled in negative feedback manner through a transformer 18 to load 12. A resistance-capacity network 15, 16 provides the necessary quadrature phase shift for utilization of the ripple voltage across the inductance. Modifications are described involving only one of the ripple reducing circuits of Fig. 6 in which direct coupling may replace transformers 17 and 18. Typical circuits involving a one or two valve amplifier A are shown with component valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2979852A GB777242A (en) | 1952-11-25 | 1952-11-25 | Improvements in or relating to power supply circuits suitable for electronic discharge devices fed by rectified alternating current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2979852A GB777242A (en) | 1952-11-25 | 1952-11-25 | Improvements in or relating to power supply circuits suitable for electronic discharge devices fed by rectified alternating current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB777242A true GB777242A (en) | 1957-06-19 |
Family
ID=10297323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2979852A Expired GB777242A (en) | 1952-11-25 | 1952-11-25 | Improvements in or relating to power supply circuits suitable for electronic discharge devices fed by rectified alternating current |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB777242A (en) |
-
1952
- 1952-11-25 GB GB2979852A patent/GB777242A/en not_active Expired
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