JPH0216073U - - Google Patents
Info
- Publication number
- JPH0216073U JPH0216073U JP9431788U JP9431788U JPH0216073U JP H0216073 U JPH0216073 U JP H0216073U JP 9431788 U JP9431788 U JP 9431788U JP 9431788 U JP9431788 U JP 9431788U JP H0216073 U JPH0216073 U JP H0216073U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- under test
- diode under
- turned
- detection resistor
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
Description
第１図はこの考案の一実施例を示す測定装置の
回路図、第２図は被測定ダイオードに印加する電
圧・電流特性曲線で、測定しようとする領域（区
間）を図示した説明図、第３図、第４図はこの考
案の他の実施例を示す部分回路図、第５図は従来
の測定装置の回路図である。
図において、１は被測定ダイオード、２ａ，２
ｂ，２ｃはダイオード、３は高周波トランス、４
は高周波電源、５は負荷装置、１１は駆動回路、
１２はスイツチ、１３は検出抵抗、２３，２４は
ダイオード、２０はバイアス電源、２１はバイア
ス抵抗、２２はサージ吸収用ゼナーダイオードを
示す。なお、図中、同一符号は同一、又は相当部
分を示す。
Fig. 1 is a circuit diagram of a measuring device showing an embodiment of this invention, Fig. 2 is an explanatory diagram showing the voltage/current characteristic curve applied to the diode to be measured, and the area (section) to be measured. 3 and 4 are partial circuit diagrams showing other embodiments of this invention, and FIG. 5 is a circuit diagram of a conventional measuring device. In the figure, 1 is the diode to be measured, 2a, 2
b, 2c are diodes, 3 is a high frequency transformer, 4
is a high frequency power supply, 5 is a load device, 11 is a drive circuit,
12 is a switch, 13 is a detection resistor, 23 and 24 are diodes, 20 is a bias power supply, 21 is a bias resistor, and 22 is a surge absorbing Zener diode. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
前記検出抵抗と並列にスイツチを挿入すると共に
、このスイツチの駆動を被測定ダイオードが順方
向通流時にはスイツチ・オンとし、逆電圧印加時
にはスイツチ・オフとして前記被測定ダイオード
の逆電流を検出するようにしたことを特徴とする
測定装置。 In the series circuit between the diode under test and the detection resistor,
A switch is inserted in parallel with the detection resistor, and the switch is driven so that the switch is turned on when the diode under test conducts forward current, and the switch is turned off when a reverse voltage is applied to detect the reverse current of the diode under test. A measuring device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9431788U JPH0216073U (en) | 1988-07-14 | 1988-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9431788U JPH0216073U (en) | 1988-07-14 | 1988-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0216073U true JPH0216073U (en) | 1990-02-01 |
Family
ID=31318825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9431788U Pending JPH0216073U (en) | 1988-07-14 | 1988-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216073U (en) |
-
1988
- 1988-07-14 JP JP9431788U patent/JPH0216073U/ja active Pending