JPS5925478U - Impedance measuring device - Google Patents
Impedance measuring deviceInfo
- Publication number
- JPS5925478U JPS5925478U JP11963682U JP11963682U JPS5925478U JP S5925478 U JPS5925478 U JP S5925478U JP 11963682 U JP11963682 U JP 11963682U JP 11963682 U JP11963682 U JP 11963682U JP S5925478 U JPS5925478 U JP S5925478U
- Authority
- JP
- Japan
- Prior art keywords
- sample
- signal
- current
- signal current
- impedance measuring
- 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
- Measurement Of Resistance Or Impedance (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は４端子対法を使用した従来のインピーダンス測
定器の回路図。第２図は４端子対法を使用した従来のイ
ンピーダンス測定器の原理図。第３図、第４図、第５図
は本考案のインピーダンス測定器の回路図。第６図は一
般的な演算増幅器の出力部および電源部の回路図。
「ｒ口
％３関
ＤＬｊＴ
第４目FIG. 1 is a circuit diagram of a conventional impedance measuring instrument using the four-terminal pair method. Fig. 2 is a diagram showing the principle of a conventional impedance measuring instrument using the four-terminal pair method. 3, 4, and 5 are circuit diagrams of the impedance measuring device of the present invention. FIG. 6 is a circuit diagram of the output section and power supply section of a general operational amplifier. "r mouth%3 Seki DLjT 4th
Claims (1)
ために設けられ、内部導体に信号電流が流れる一対の同
軸線と、前記試料の両端電圧および前記信号電流を測定
するための測定手段と、前記試料の一端を略接地電位に
保持し、前記信号電流が流入若しくは流出する出力部を
有し、前記試料の一端を略接地電位に保持する演算増幅
器と、前記信号電流と略同−値の帰還電流を流すための
帰還電流手段とから成り、前記帰還電流は前記一対の同
軸線の外部導体を前記信号電流と反対方向に流れること
を特徴とするインピーダンス測定器。a signal source, a pair of coaxial lines provided for supplying a signal current from the signal source to a sample, through which the signal current flows through an internal conductor, and a measuring means for measuring the voltage across the sample and the signal current. an operational amplifier that maintains one end of the sample at approximately ground potential and has an output section through which the signal current flows in or out, and holds one end of the sample at approximately ground potential; feedback current means for flowing a feedback current of a value, the feedback current flowing through the outer conductor of the pair of coaxial lines in a direction opposite to the signal current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11963682U JPS5925478U (en) | 1982-08-06 | 1982-08-06 | Impedance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11963682U JPS5925478U (en) | 1982-08-06 | 1982-08-06 | Impedance measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5925478U true JPS5925478U (en) | 1984-02-17 |
| JPH0328389Y2 JPH0328389Y2 (en) | 1991-06-18 |
Family
ID=30274486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11963682U Granted JPS5925478U (en) | 1982-08-06 | 1982-08-06 | Impedance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5925478U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165572U (en) * | 1986-04-10 | 1987-10-21 | ||
| JP2010002199A (en) * | 2008-06-18 | 2010-01-07 | Hioki Ee Corp | Resistance measuring device and circuit board inspecting device |
-
1982
- 1982-08-06 JP JP11963682U patent/JPS5925478U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62165572U (en) * | 1986-04-10 | 1987-10-21 | ||
| JP2010002199A (en) * | 2008-06-18 | 2010-01-07 | Hioki Ee Corp | Resistance measuring device and circuit board inspecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0328389Y2 (en) | 1991-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5925478U (en) | Impedance measuring device | |
| JPS59166129U (en) | electromagnetic flow meter | |
| DE3369039D1 (en) | Integrated amplifier circuit | |
| JPS60131099U (en) | 2 wire transmitter | |
| JPS58103380U (en) | resistance measuring device | |
| JPS59109926U (en) | electromagnetic flow meter | |
| JPS5925479U (en) | Contact resistance measurement circuit | |
| JPS58196544U (en) | A circuit for supplying DC power for operation between devices that exchange signals. | |
| JPS5982861U (en) | AC power measurement device | |
| JPS58142956U (en) | Power monitor circuit for laser equipment | |
| JPS58104010U (en) | buffer circuit | |
| JPS58112971U (en) | Measurement signal supply circuit for circuit element measuring instruments | |
| JPS59174710U (en) | amplifier | |
| JPS59118388U (en) | microphone device | |
| JPS59177213U (en) | electrical signal amplification device | |
| JPS59108218U (en) | electromagnetic flow meter | |
| JPS58112972U (en) | Measurement signal supply circuit for circuit element measuring instruments | |
| JPS58187776U (en) | Current transformer excitation characteristic measuring device | |
| JPS5992866U (en) | Differential transformer circuit inspection equipment | |
| JPS59127130U (en) | electromagnetic flow meter | |
| JPS5920166U (en) | Current-voltage conversion circuit of circuit constant measuring instrument | |
| JPS5892677U (en) | Voltage discrimination circuit | |
| JPS58121045U (en) | Noise suppression circuit in electrophotographic equipment | |
| JPS58120971U (en) | Resistance deviation measuring device | |
| JPS60169800U (en) | Sample/hold circuit |