JPS59194079U - IC tester power supply circuit - Google Patents
IC tester power supply circuitInfo
- 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
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
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)
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.
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) |
-
1983
- 1983-06-10 JP JP8779783U patent/JPS59194079U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6349728Y2 (en) | 1988-12-21 |
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