JPS59129347U - Power circuit - Google Patents
Power circuitInfo
- Publication number
- JPS59129347U JPS59129347U JP1984004502U JP450284U JPS59129347U JP S59129347 U JPS59129347 U JP S59129347U JP 1984004502 U JP1984004502 U JP 1984004502U JP 450284 U JP450284 U JP 450284U JP S59129347 U JPS59129347 U JP S59129347U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power supply
- field effect
- resistor
- collector
- 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
- Electronic Switches (AREA)
- Protection Of Static Devices (AREA)
- Continuous-Control Power Sources That Use Transistors (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
図は本考案電源回路の一実施例を示す接続図である。
1は電池、2及び9は夫々トランジスタ、3は出力端子
、4はコンデンサ、5は切換スイッチ、6、 8. 1
0及び11は夫々抵抗器、7は電界効果トランジスタで
ある。The figure is a connection diagram showing one embodiment of the power supply circuit of the present invention. 1 is a battery, 2 and 9 are transistors, 3 is an output terminal, 4 is a capacitor, 5 is a changeover switch, 6, 8. 1
0 and 11 are resistors, respectively, and 7 is a field effect transistor.
Claims (1)
のエミッターコレクタ通路を介して出力端子に接続し、
前記切換スイッチ及び前記第1のトランジスタの接続点
を時定数回路を構成するコンデンサ及び第1の抵抗器の
直列回路を介して前記直流電源の他端に接続し、前記コ
ンデンサ及び第1の抵抗器の接続点を電界効果トランジ
スタのゲートに接続し、前記電界効果トランジスタのド
レインを第2の抵抗器を、介して前記第1のトランジス
タのコレクタに接続すると共に第2のトランジスタのベ
ースに接続し、該第2のトランジスタのエミッタ及び前
記電界効果トランジスタのソースを夫々前記直流電源の
他端に接続し、前記第2のトランジスタのコレクタを第
3の抵抗器を介して前記第1のトランジスタのベースに
接続し、前記第1のトランジスタのエミッターコレクタ
間に起動回路を設けたことを特徴とする電源回路。one end of the DC power source is connected to the output terminal via the selector switch and the emitter-collector path of the first transistor;
A connection point between the changeover switch and the first transistor is connected to the other end of the DC power supply via a series circuit of a capacitor and a first resistor forming a time constant circuit, and the capacitor and the first resistor are connected to the other end of the DC power supply. connecting the connection point of the field effect transistor to the gate of the field effect transistor, and connecting the drain of the field effect transistor to the collector of the first transistor and the base of the second transistor through a second resistor, The emitter of the second transistor and the source of the field effect transistor are each connected to the other end of the DC power supply, and the collector of the second transistor is connected to the base of the first transistor via a third resistor. 1. A power supply circuit, further comprising: a starting circuit connected between the emitter and the collector of the first transistor.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978119498U JPS6138290Y2 (en) | 1978-08-31 | 1978-08-31 | |
JP1984004502U JPS59129347U (en) | 1978-08-31 | 1984-01-17 | Power circuit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1978119498U JPS6138290Y2 (en) | 1978-08-31 | 1978-08-31 | |
JP1984004502U JPS59129347U (en) | 1978-08-31 | 1984-01-17 | Power circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59129347U true JPS59129347U (en) | 1984-08-30 |
JPH019243Y2 JPH019243Y2 (en) | 1989-03-14 |
Family
ID=54325105
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1978119498U Expired JPS6138290Y2 (en) | 1978-08-31 | 1978-08-31 | |
JP1984004502U Granted JPS59129347U (en) | 1978-08-31 | 1984-01-17 | Power circuit |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1978119498U Expired JPS6138290Y2 (en) | 1978-08-31 | 1978-08-31 |
Country Status (1)
Country | Link |
---|---|
JP (2) | JPS6138290Y2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5014351U (en) * | 1973-06-09 | 1975-02-14 |
-
1978
- 1978-08-31 JP JP1978119498U patent/JPS6138290Y2/ja not_active Expired
-
1984
- 1984-01-17 JP JP1984004502U patent/JPS59129347U/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5014351U (en) * | 1973-06-09 | 1975-02-14 |
Also Published As
Publication number | Publication date |
---|---|
JPH019243Y2 (en) | 1989-03-14 |
JPS5535690U (en) | 1980-03-07 |
JPS6138290Y2 (en) | 1986-11-05 |
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