JPS6281072U - - Google Patents
Info
- Publication number
- JPS6281072U JPS6281072U JP17278285U JP17278285U JPS6281072U JP S6281072 U JPS6281072 U JP S6281072U JP 17278285 U JP17278285 U JP 17278285U JP 17278285 U JP17278285 U JP 17278285U JP S6281072 U JPS6281072 U JP S6281072U
- Authority
- JP
- Japan
- Prior art keywords
- printed board
- input terminal
- voltage
- reference voltage
- input
- 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
Links
- 238000012360 testing method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Description
第１図は本考案の試験装置原理ブロツク図、第
２図は本考案の実施例図、第３図は従来の入力抵
抗試験方式図である。
第１図において、１は抵抗、２は基準電圧Ｖｓ
、３はコンパレータ、４は被験試ＩＣ、５は定電
圧、５Ａは試験用定電圧電源である。
FIG. 1 is a block diagram of the principle of the test device of the present invention, FIG. 2 is a diagram of an embodiment of the present invention, and FIG. 3 is a diagram of a conventional input resistance test method. In Fig. 1, 1 is a resistance, 2 is a reference voltage Vs
, 3 is a comparator, 4 is a test IC, 5 is a constant voltage, and 5A is a constant voltage power supply for testing.
Claims (1)
において、 プリント板に装着されている被試験ＩＣ４の入
力端子に抵抗１を直列接続した回路に定電圧Ｖｅ
５を印加して得られるＩＣ入力端子間電圧６と、 基準電圧Ｖｓ２とをコンパレータ３に入力し、 該ＩＣ入力端子間電圧６を基準電圧Ｖｓ２で比
較判定することを特徴とした入力抵抗試験装置。[Claim for Utility Model Registration] In an automatic testing device for a printed board mounted on the device, a constant voltage Ve is applied to a circuit in which a resistor 1 is connected in series to the input terminal of an IC under test 4 mounted on the printed board.
5 and a reference voltage Vs2 are input to a comparator 3, and the IC input terminal voltage 6 is compared and judged with the reference voltage Vs2. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17278285U JPS6281072U (en) | 1985-11-08 | 1985-11-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17278285U JPS6281072U (en) | 1985-11-08 | 1985-11-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6281072U true JPS6281072U (en) | 1987-05-23 |
Family
ID=31109631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17278285U Pending JPS6281072U (en) | 1985-11-08 | 1985-11-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281072U (en) |
-
1985
- 1985-11-08 JP JP17278285U patent/JPS6281072U/ja active Pending
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