JPS6146845U - ripple filter - Google Patents
ripple filterInfo
- 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
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
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)
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.
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) |
-
1984
- 1984-08-29 JP JP13098184U patent/JPS6146845U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0237240Y2 (en) | 1990-10-09 |
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