JPH02118273U - - Google Patents
Info
- Publication number
- JPH02118273U JPH02118273U JP2583589U JP2583589U JPH02118273U JP H02118273 U JPH02118273 U JP H02118273U JP 2583589 U JP2583589 U JP 2583589U JP 2583589 U JP2583589 U JP 2583589U JP H02118273 U JPH02118273 U JP H02118273U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- power supply
- supply voltage
- stabilized power
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は聴感覚導通テスタの電気回路図、第２
図は第１図に示した聴感覚導通テスタの変形例を
示す聴感覚導通テスタの電気回路図である。
図中、３……非安定マルチバイブレータ、４…
…音出力回路、Ｔｒ１……第１トランジタ、Ｔｒ
２……第２トランジタ、Ｒ５……設定抵抗、Ｒｘ
……被検査物の有する抵抗。
Figure 1 is the electrical circuit diagram of the auditory continuity tester, Figure 2
This figure is an electrical circuit diagram of an auditory continuity tester showing a modification of the auditory continuity tester shown in FIG. 1. In the figure, 3...unstable multivibrator, 4...
...Sound output circuit, Tr1...First transistor, Tr
2...Second transistor, R5...Setting resistor, Rx
...Resistance of the object to be inspected.
Claims (1)
れるエミツタ接地の第１トランジスタ、および前
記安定化された電源電圧が被検査物の有する抵抗
を介してコレクタに印加されるエミツタ接地の第
２トランジタからなる非安定マルチバイブレータ
と、 (b) 前記非安定マルチバイブレータの出力を音
として取り出す音出力回路と からなり、 前記第１トランジスタおよび前記第２トランジ
スタの少なくともどちらか一方のトランジスタの
ベース・アース間に、前記非安定マルチバイブレ
ータの発振領域を設定する設定抵抗を接続した聴
感覚導通テスタ。[Claims for Utility Model Registration] (a) A first transistor with a grounded emitter to which a stabilized power supply voltage is applied to the collector, and the stabilized power supply voltage is applied to the collector through a resistor of the object to be inspected. (b) a sound output circuit that outputs the output of the astable multivibrator as sound, and at least one of the first transistor and the second transistor. An auditory continuity tester in which a setting resistor for setting the oscillation region of the unstable multivibrator is connected between the base and ground of one of the transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2583589U JPH02118273U (en) | 1989-03-07 | 1989-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2583589U JPH02118273U (en) | 1989-03-07 | 1989-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02118273U true JPH02118273U (en) | 1990-09-21 |
Family
ID=31246922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2583589U Pending JPH02118273U (en) | 1989-03-07 | 1989-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02118273U (en) |
-
1989
- 1989-03-07 JP JP2583589U patent/JPH02118273U/ja active Pending