JPH0321988U - - Google Patents
Info
- Publication number
- JPH0321988U JPH0321988U JP8149589U JP8149589U JPH0321988U JP H0321988 U JPH0321988 U JP H0321988U JP 8149589 U JP8149589 U JP 8149589U JP 8149589 U JP8149589 U JP 8149589U JP H0321988 U JPH0321988 U JP H0321988U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- signal
- triangular wave
- switching element
- 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
- 238000009499 grossing Methods 0.000 claims 4
- 230000010356 wave oscillation Effects 0.000 claims 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Dc-Dc Converters (AREA)
- Power Conversion In General (AREA)
Description
第１図及び第４図はこの考案の一実施例による
直流電源装置のブロツク構成図、第２図は第１図
に示した実施例の動作を時間軸上で示した図、第
３図は第１図に示した実施例の動作を周波軸上で
示した図、第５図は従来の直流電源装置の一実施
例を示すブロツク構成図、第６図は第５図に示し
た実施例の動作を時間軸上で示した図で、２……
スイツチング素子、２ａ……第１のスイツチング
素子、２ｂ……第２のスイツチング素子、１１…
…疑似ランダム符号発生回路、１２……ＡＮＤ回
路である。なお、図中同一符号は同一又は相当部
分を示す。
1 and 4 are block configuration diagrams of a DC power supply according to an embodiment of this invention, FIG. 2 is a diagram showing the operation of the embodiment shown in FIG. 1 on a time axis, and FIG. 3 is a diagram showing the operation of the embodiment shown in FIG. Fig. 1 is a diagram showing the operation of the embodiment shown on the frequency axis, Fig. 5 is a block diagram showing an embodiment of the conventional DC power supply device, and Fig. 6 is the embodiment shown in Fig. 5. This is a diagram showing the operation of 2 on the time axis.
Switching element, 2a...first switching element, 2b...second switching element, 11...
. . . pseudorandom code generation circuit, 12 . . . AND circuit. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
１及び第２のスイツチング素子と、このスイツチ
ング素子の出力を整流する整流回路と、この整流
回路の出力を平滑する平滑回路と、この平滑回路
の出力を基準信号から減じる減算器と、この減算
器の出力をフイルタリングするループフイルタと
、三角波信号を発生する三角波発振回路と、この
三角波信号及び上記ループフイルタの出力を比較
し、上記第１のスイツチング素子を制御するコン
パレータと、疑似ランダム信号を発生して上記第
２のスイツチング素子を制御する疑似ランダム信
号発生回路とを備えたことを特徴とする直流電源
装置。 (2) １次電源から電力をスイツチングするスイ
ツチング素子と、このスイツチング素子の出力を
整流する整流回路と、この整流回路の出力を平滑
する平滑回路と、この平滑回路の出力を基準信号
から減じる減算器と、この減算器の出力をフイル
タリングするループフイルタと、三角波信号を発
生する三角波発振回路と、この三角波発振回路及
び上記ループフイルタの出力を比較するコンパレ
ータと、疑似ランダム信号を発生する疑似ランダ
ム信号発生回路と、この疑似ランダム信号及び上
記コンパレータの出力の論理積を演算するＡＮＤ
回路とを備え、このＡＮＤ回路の出力で上記スイ
ツチング素子を制御することを特徴とする直流電
源装置。[Claims for Utility Model Registration] (1) First and second switching elements that switch power from a primary power source, a rectifier circuit that rectifies the output of the switching elements, and a rectifier circuit that smoothes the output of the rectifier circuit. A smoothing circuit, a subtracter that subtracts the output of this smoothing circuit from a reference signal, a loop filter that filters the output of this subtracter, a triangular wave oscillation circuit that generates a triangular wave signal, and the output of this triangular wave signal and the loop filter. A DC power supply device comprising: a comparator that compares the switching elements and controls the first switching element; and a pseudo-random signal generation circuit that generates a pseudo-random signal to control the second switching element. (2) A switching element that switches power from the primary power supply, a rectifier circuit that rectifies the output of this switching element, a smoothing circuit that smoothes the output of this rectifier circuit, and a subtraction circuit that subtracts the output of this smoothing circuit from a reference signal. a loop filter that filters the output of this subtracter, a triangular wave oscillation circuit that generates a triangular wave signal, a comparator that compares the outputs of this triangular wave oscillation circuit and the loop filter, and a pseudorandom signal that generates a pseudorandom signal. AND for calculating the logical product of the signal generation circuit, this pseudo-random signal, and the output of the comparator.
What is claimed is: 1. A DC power supply device comprising: a circuit, wherein the switching element is controlled by the output of the AND circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8149589U JPH0321988U (en) | 1989-07-11 | 1989-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8149589U JPH0321988U (en) | 1989-07-11 | 1989-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321988U true JPH0321988U (en) | 1991-03-06 |
Family
ID=31627493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8149589U Pending JPH0321988U (en) | 1989-07-11 | 1989-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001157463A (en) * | 1999-09-27 | 2001-06-08 | Valeo Vision | Power source system and method for controlling it |
-
1989
- 1989-07-11 JP JP8149589U patent/JPH0321988U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001157463A (en) * | 1999-09-27 | 2001-06-08 | Valeo Vision | Power source system and method for controlling it |
| JP4542251B2 (en) * | 1999-09-27 | 2010-09-08 | ヴァレオ ビジョン | Power supply device and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0321988U (en) | ||
| JPH0361800U (en) | ||
| JPH0363079U (en) | ||
| JPH0270538U (en) | ||
| JPH035542U (en) | ||
| JPH01318547A (en) | Switching power source control system | |
| JPS63164381U (en) | ||
| JPH03120690U (en) | ||
| JPH02257744A (en) | Call signal generator for telephone set | |
| JPH0478572U (en) | ||
| JPS61129444U (en) | ||
| JPH01146250U (en) | ||
| JPH0186725U (en) | ||
| JPS62177144U (en) | ||
| JPS59177241U (en) | phase comparator | |
| JPH039525U (en) | ||
| JPH01165471U (en) | ||
| JPH03107812U (en) | ||
| JPH0277933U (en) | ||
| JPH0353035U (en) | ||
| JPS63106274U (en) | ||
| JPH0350252U (en) | ||
| JPH02143628U (en) | ||
| JPS6434838U (en) | ||
| JPS6435564U (en) |