JPS59194079U - IC tester power supply circuit - Google Patents

IC tester power supply circuit

Info

Publication number
JPS59194079U
JPS59194079U JP8779783U JP8779783U JPS59194079U JP S59194079 U JPS59194079 U JP S59194079U JP 8779783 U JP8779783 U JP 8779783U JP 8779783 U JP8779783 U JP 8779783U JP S59194079 U JPS59194079 U JP S59194079U
Authority
JP
Japan
Prior art keywords
power supply
supply circuit
tester
voltage
output
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
JP8779783U
Other languages
Japanese (ja)
Other versions
JPS6349728Y2 (en
Inventor
博之 河野
Original Assignee
日立電子エンジニアリング株式会社
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 日立電子エンジニアリング株式会社 filed Critical 日立電子エンジニアリング株式会社
Priority to JP8779783U priority Critical patent/JPS59194079U/en
Publication of JPS59194079U publication Critical patent/JPS59194079U/en
Application granted granted Critical
Publication of JPS6349728Y2 publication Critical patent/JPS6349728Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Testing Of Individual Semiconductor 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

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

第１図は本考案の一実施例図である。 １・・・電流増幅部、２・・・電流検出部、３・・・Ｆ
ＥＴスイッチ、４・・・ホトカプラ、４ａ・・・ＬＥＤ
、　４ｂ・・・ホトトランジスタ、５・・・本考案に係
る回路に対する作動指令の入力端子、６・・・出力電圧
が所定範囲外に逸脱したことを警告する手段への作動信
号の出力端子、７・・・本電源の出力端子。FIG. 1 is a diagram showing an embodiment of the present invention. 1... Current amplification section, 2... Current detection section, 3... F
ET switch, 4...photocoupler, 4a...LED
, 4b... Phototransistor, 5... Input terminal for an operation command to the circuit according to the present invention, 6... Output terminal for an operation signal to a means for warning that the output voltage has deviated from a predetermined range. 7...Output terminal of this power supply.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＩＣテスタの電源回路から出力される電圧が、規定値よ
り所定値以上高く、所定値以上高（なった場合は、該所
定値で導通、発光する発光ダイオードと、その出力光に
応じて導通ずる素子よりなるホトカプラが作動して、出
力電圧を所定範囲内に抑制し、かつ、出力電圧が所定範
囲外に逸脱したことを警告する手段を作動させるように
したことを特徴とするｌＣテスタの電源回路。The voltage output from the power supply circuit of the IC tester is higher than the specified value by a predetermined value or higher (if the voltage is higher than the predetermined value), the light emitting diode will conduct and emit light at the predetermined value, and the light emitting diode will conduct according to the output light. A power supply for an IC tester, characterized in that a photocoupler consisting of an element is activated to suppress the output voltage within a predetermined range, and to activate a means for warning that the output voltage has deviated from the predetermined range. circuit.
JP8779783U 1983-06-10 1983-06-10 IC tester power supply circuit Granted JPS59194079U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8779783U JPS59194079U (en) 1983-06-10 1983-06-10 IC tester power supply circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8779783U JPS59194079U (en) 1983-06-10 1983-06-10 IC tester power supply circuit

Publications (2)

Publication Number Publication Date
JPS59194079U true JPS59194079U (en) 1984-12-24
JPS6349728Y2 JPS6349728Y2 (en) 1988-12-21

Family

ID=30217711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8779783U Granted JPS59194079U (en) 1983-06-10 1983-06-10 IC tester power supply circuit

Country Status (1)

Country Link
JP (1) JPS59194079U (en)

Also Published As

Publication number Publication date
JPS6349728Y2 (en) 1988-12-21

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