JPS5915226U - power circuit - Google Patents

power circuit

Info

Publication number
JPS5915226U
JPS5915226U JP10982382U JP10982382U JPS5915226U JP S5915226 U JPS5915226 U JP S5915226U JP 10982382 U JP10982382 U JP 10982382U JP 10982382 U JP10982382 U JP 10982382U JP S5915226 U JPS5915226 U JP S5915226U
Authority
JP
Japan
Prior art keywords
smoothing
power supply
transistor
connect
emitter
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
Application number
JP10982382U
Other languages
Japanese (ja)
Inventor
洋 野田
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP10982382U priority Critical patent/JPS5915226U/en
Publication of JPS5915226U publication Critical patent/JPS5915226U/en
Pending legal-status Critical Current

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  • Supply And Distribution Of Alternating Current (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 drawings]

第１図は従来の電源回路、第２図は本考案の一実施例で
ある。第３図は本考案の他の一実施例である。 １は交流電源、２．　６．　９はダイオード、５は直流
電源、７は機器、８は平滑用コンデンサ、１０は平滑用
トランジスタ、１１．１２はコンデンサ、１３はツェナ
ーダイオードである。FIG. 1 shows a conventional power supply circuit, and FIG. 2 shows an embodiment of the present invention. FIG. 3 shows another embodiment of the present invention. 1 is an AC power supply; 2. 6. 9 is a diode, 5 is a DC power supply, 7 is a device, 8 is a smoothing capacitor, 10 is a smoothing transistor, 11.12 is a capacitor, and 13 is a Zener diode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 交流電源を整流する整流器と、整流された電流を平滑す
る平滑用トランジスタと、平滑用トラレジスタのベース
に平滑用コンデンサを接続し、平滑電圧を一定レベルに
保持するベースバイアス抵抗回路と、直流電源より電流
を供給する電源回路に逆流防止用のダイオードを平滑用
トランジスタのエミッタに接続するとともに直流電源と
平滑用トランジスタのベースにダイオードで接続し、平
滑用トランジスタのエミッタにコンデンサを接続し、直
流電源側から見たコンデンサの充電時定数をベース側、
エミッタ側で略々等しく成し、平滑用トランジスタを保
護することを特徴とする電源回路。A rectifier that rectifies the AC power supply, a smoothing transistor that smoothes the rectified current, a base bias resistor circuit that connects a smoothing capacitor to the base of the smoothing resistor to maintain the smoothed voltage at a constant level, and a DC power supply. In the power supply circuit that supplies more current, connect a diode for backflow prevention to the emitter of the smoothing transistor, connect a diode to the DC power supply and the base of the smoothing transistor, connect a capacitor to the emitter of the smoothing transistor, and connect the DC power supply to the emitter of the smoothing transistor. The charging time constant of the capacitor viewed from the base side,
A power supply circuit characterized in that the emitter side is substantially equal to each other and protects a smoothing transistor.
JP10982382U 1982-07-19 1982-07-19 power circuit Pending JPS5915226U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10982382U JPS5915226U (en) 1982-07-19 1982-07-19 power circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10982382U JPS5915226U (en) 1982-07-19 1982-07-19 power circuit

Publications (1)

Publication Number Publication Date
JPS5915226U true JPS5915226U (en) 1984-01-30

Family

ID=30255674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10982382U Pending JPS5915226U (en) 1982-07-19 1982-07-19 power circuit

Country Status (1)

Country Link
JP (1) JPS5915226U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63171121A (en) * 1987-01-09 1988-07-14 日本電気株式会社 Surge protecting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63171121A (en) * 1987-01-09 1988-07-14 日本電気株式会社 Surge protecting circuit

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