JPS6065685U - Cathode ray tube maximum cathode current measurement circuit - Google Patents
Cathode ray tube maximum cathode current measurement circuitInfo
- Publication number
- JPS6065685U JPS6065685U JP15878683U JP15878683U JPS6065685U JP S6065685 U JPS6065685 U JP S6065685U JP 15878683 U JP15878683 U JP 15878683U JP 15878683 U JP15878683 U JP 15878683U JP S6065685 U JPS6065685 U JP S6065685U
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- cathode
- cathode ray
- current measurement
- measurement circuit
- 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
Landscapes
- Measurement Of Current Or Voltage (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図は従来の最大カソード電流測定回路図、第２図は
本考案−実施例の回路図である。
１・・・電流計及び第１グリツド電圧切換スイツチ、２
・・・第２グリツド、３・・・第１グリツド、４・・・
カソード、５・・・マイクロ・アンメータ、６・・・ミ
リ・アンメーター、７・・・最大カソード電流測定側接
点、８・・・カットオフ電圧測定側接点、９・・・第１
グリツド電圧、１０・・・第２グリツド電圧、１１・・
・カットオフ規格電流制御用可変抵抗、１２・・・カソ
ード電圧、１３・・・最大カソード電流制御用抵抗、１
４・・・カットオフ電圧記憶安定化用コンデンサ、１５
・・・ＭＯＳ−ＦＥＴ、１６・・・電圧増幅器、１７・
・・最大カソードオフ電圧切換スイッチ。FIG. 1 is a conventional maximum cathode current measuring circuit diagram, and FIG. 2 is a circuit diagram of an embodiment of the present invention. 1... Ammeter and first grid voltage selection switch, 2
...Second grid, 3...First grid, 4...
Cathode, 5... Micro ammeter, 6... Milli ammeter, 7... Maximum cathode current measuring side contact, 8... Cutoff voltage measuring side contact, 9... First
Grid voltage, 10...Second grid voltage, 11...
・Variable resistor for cut-off standard current control, 12... Cathode voltage, 13... Resistor for maximum cathode current control, 1
4... Cut-off voltage memory stabilization capacitor, 15
...MOS-FET, 16...Voltage amplifier, 17.
...Maximum cathode off voltage selection switch.
Claims (1)
並列接続し、ゲート電位による自動調整を行なう手段と
、そのドレイン、ゲート間にコンデンサを挿入しカット
オフ電圧を記憶保持する手段と、陰極線管カソードに抵
抗を直列接続してゲートにその端子電圧を印加する手段
と、第１グリツド電極に負電位又は零電位を印加する手
段とを含む陰極線管の最大カソード電流測定回路。A means for automatically adjusting the gate potential by connecting an FET in parallel to a power source applied to the second grid electrode of the cathode ray tube, a means for memorizing and holding a cutoff voltage by inserting a capacitor between the drain and the gate, and a cathode ray tube. A maximum cathode current measuring circuit for a cathode ray tube, comprising means for connecting a resistor in series with the cathode and applying a terminal voltage thereof to the gate, and means for applying a negative potential or zero potential to a first grid electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15878683U JPS6065685U (en) | 1983-10-14 | 1983-10-14 | Cathode ray tube maximum cathode current measurement circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15878683U JPS6065685U (en) | 1983-10-14 | 1983-10-14 | Cathode ray tube maximum cathode current measurement circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6065685U true JPS6065685U (en) | 1985-05-09 |
Family
ID=30349711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15878683U Pending JPS6065685U (en) | 1983-10-14 | 1983-10-14 | Cathode ray tube maximum cathode current measurement circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6065685U (en) |
-
1983
- 1983-10-14 JP JP15878683U patent/JPS6065685U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6065685U (en) | Cathode ray tube maximum cathode current measurement circuit | |
| JPS616775U (en) | Current-voltage conversion circuit | |
| JPS5925479U (en) | Contact resistance measurement circuit | |
| JPS5914071U (en) | Leakage current measurement circuit | |
| JPS60122861U (en) | Pinhole inspection device for plastic window material in radiation detector | |
| JPS59109965U (en) | Transistor leakage current measurement circuit | |
| JPS6163156U (en) | ||
| JPS5927612U (en) | AC amplifier | |
| JPS5984446U (en) | Vacuum measuring device | |
| JPS5857978U (en) | resistance measurement circuit | |
| JPS609198U (en) | Condenser X-ray device | |
| JPS5810115U (en) | Stabilized power supply circuit | |
| JPS60169800U (en) | Sample/hold circuit | |
| JPS60104747U (en) | penning vacuum gauge | |
| JPS587194U (en) | Envelope generation circuit | |
| JPS5823100U (en) | Long-term voltage holding sample and hold circuit | |
| JPS6020623U (en) | DC power supply | |
| JPS59161714U (en) | Electronic clock circuit | |
| JPS60175500U (en) | X-ray tube filament heating control circuit | |
| JPS60116726U (en) | electronic volume | |
| JPS59155613U (en) | constant current power supply | |
| JPS58136778U (en) | conductivity meter | |
| JPS5813718U (en) | variable gain amplifier circuit | |
| JPS5915972U (en) | High-speed microcurrent measuring device | |
| JPS58110848U (en) | Antistatic inspection device |