JPS56169967A - Flyback electric power supply circuit - Google Patents
Flyback electric power supply circuitInfo
- Publication number
- JPS56169967A JPS56169967A JP7481380A JP7481380A JPS56169967A JP S56169967 A JPS56169967 A JP S56169967A JP 7481380 A JP7481380 A JP 7481380A JP 7481380 A JP7481380 A JP 7481380A JP S56169967 A JPS56169967 A JP S56169967A
- Authority
- JP
- Japan
- Prior art keywords
- load
- power supply
- circuit
- diode
- constitution
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 abstract 3
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000009499 grossing Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/18—Generation of supply voltages, in combination with electron beam deflecting
- H04N3/185—Maintaining dc voltage constant
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Rectifiers (AREA)
- Details Of Television Scanning (AREA)
Abstract
PURPOSE:To obtain an electric power supply generating circuit of FBT system which can accomplish the output stability the same as a DC-DC converter system, with a simple circuit constitution, by cancelling the fluctuation of pulse width due to the load variation at the secondary winding side of a flyback transformer. CONSTITUTION:One end of a primary winding 6 of a flyback transformer 5 is connected with a power supply applied terminal 4, and a pulse width set circuit consisting of a switching circuit 1, damper diode 2 and resonance capacitor 3 is connected to another end. A plurality of tap terminals are provided for two windings 7 of the transformer 5, and rectifying diodes 8, 11, 15, 18 and smoothing capacitors 9, 12, 16, 19 and loads 10, 13, 17, 20 are connected to the tap terminals. A reactance element 14 is connected between a diode 15 to a load 17 accompanying the load variance of a flyback power supply circuit and the diode 18 of the load 20, allowing to prevent the change in an equivalent distributed capacitance due to load change, and stable output is accomplished with a simple circuit constitution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7481380A JPS56169967A (en) | 1980-06-02 | 1980-06-02 | Flyback electric power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7481380A JPS56169967A (en) | 1980-06-02 | 1980-06-02 | Flyback electric power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56169967A true JPS56169967A (en) | 1981-12-26 |
Family
ID=13558120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7481380A Pending JPS56169967A (en) | 1980-06-02 | 1980-06-02 | Flyback electric power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56169967A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0163235A2 (en) * | 1984-05-30 | 1985-12-04 | Nokia Unterhaltungselektronik (Deutschland) GmbH | Switched power supply |
-
1980
- 1980-06-02 JP JP7481380A patent/JPS56169967A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0163235A2 (en) * | 1984-05-30 | 1985-12-04 | Nokia Unterhaltungselektronik (Deutschland) GmbH | Switched power supply |
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