JPS6146845U - ripple filter - Google Patents

ripple filter

Info

Publication number
JPS6146845U
JPS6146845U JP13098184U JP13098184U JPS6146845U JP S6146845 U JPS6146845 U JP S6146845U JP 13098184 U JP13098184 U JP 13098184U JP 13098184 U JP13098184 U JP 13098184U JP S6146845 U JPS6146845 U JP S6146845U
Authority
JP
Japan
Prior art keywords
transistor
collector
ripple
diode
ripple filter
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.)
Granted
Application number
JP13098184U
Other languages
Japanese (ja)
Other versions
JPH0237240Y2 (en
Inventor
雅憲 藤沢
Original Assignee
三洋電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP13098184U priority Critical patent/JPS6146845U/en
Publication of JPS6146845U publication Critical patent/JPS6146845U/en
Application granted granted Critical
Publication of JPH0237240Y2 publication Critical patent/JPH0237240Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Networks Using Active Elements (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は、本考案の一実施例を示す回路図、第2図及び
第3図は従来のリップルフイルクを示す回路図、第4図
は本考案の説明に供する為の特性図である。 主な図番の説明、5・・・コンデンサ、9・・・第1ト
ランジスタ、10・・・第2トランジスタ、11・・・
第3トランジスタ、12・・・第4トランジスタ。
Fig. 1 is a circuit diagram showing an embodiment of the present invention, Figs. 2 and 3 are circuit diagrams showing a conventional ripple flux, and Fig. 4 is a characteristic diagram for explaining the present invention. . Explanation of main figure numbers, 5... Capacitor, 9... First transistor, 10... Second transistor, 11...
3rd transistor, 12...4th transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ベースにリツプル除去用のコンデンサが接続された第1
トランジスタと、該第1トランジスタに差動接続された
ダイオード接続型の第2トランジスタと、ベースが前記
第1トランジスタのコレクタに、コレクタが前記第2ト
ランジスタのコレクタにそれぞれ接続された第3トラン
ジスタとを備え、該第3トランジスタのコレクタからリ
ツプルが除去された出力電圧を発生する様にしたリップ
ルフィルタにおいて、前記第1及び第2トランジスタの
ベース間にダイオードもしくはダイオード接続型の第4
トランジスタを挿入し、電源投入直後における出力電圧
を前記第1トランジスタのベース電圧に追随するように
したことを特徴とするリップルフィルタ。
The first one has a ripple removal capacitor connected to its base.
a diode-connected second transistor differentially connected to the first transistor; and a third transistor whose base is connected to the collector of the first transistor and whose collector is connected to the collector of the second transistor. and a ripple filter configured to generate an output voltage from which ripple is removed from the collector of the third transistor, wherein a diode or a diode-connected fourth transistor is connected between the bases of the first and second transistors.
A ripple filter characterized in that a transistor is inserted so that the output voltage immediately after power is turned on follows the base voltage of the first transistor.
JP13098184U 1984-08-29 1984-08-29 ripple filter Granted JPS6146845U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13098184U JPS6146845U (en) 1984-08-29 1984-08-29 ripple filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13098184U JPS6146845U (en) 1984-08-29 1984-08-29 ripple filter

Publications (2)

Publication Number Publication Date
JPS6146845U true JPS6146845U (en) 1986-03-28
JPH0237240Y2 JPH0237240Y2 (en) 1990-10-09

Family

ID=30689573

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13098184U Granted JPS6146845U (en) 1984-08-29 1984-08-29 ripple filter

Country Status (1)

Country Link
JP (1) JPS6146845U (en)

Also Published As

Publication number Publication date
JPH0237240Y2 (en) 1990-10-09

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