JPS605596U - Zero point current adjustment circuit for two-wire transmitter - Google Patents
Zero point current adjustment circuit for two-wire transmitterInfo
- Publication number
- JPS605596U JPS605596U JP9469783U JP9469783U JPS605596U JP S605596 U JPS605596 U JP S605596U JP 9469783 U JP9469783 U JP 9469783U JP 9469783 U JP9469783 U JP 9469783U JP S605596 U JPS605596 U JP S605596U
- Authority
- JP
- Japan
- Prior art keywords
- adjustment circuit
- current adjustment
- resistors
- zero point
- wire transmitter
- 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
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (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図は従来の二線式伝送路の回路構成を示す。
第２図は本考案を実施せる二線式伝送器の回路構成を例
示する。
１・・・直流増幅回路、■・・・電圧・電流変換回路、
Ｅ、・・・検出信号、Ｒ６・・・スパン調整用可変抵抗
、Ｒ７・・・ゼロ点電流調整用可変抵抗、Ｕ３・・・差
動直流増幅器、Ｕ２・・・電圧ホロア形緩・増幅器、Ｔ
、・・・電圧・電流変換用トランジスタ、ａ、 ｂ・
・・電源端子。
閲FIG. 1 shows the circuit configuration of a conventional two-wire transmission line. FIG. 2 illustrates the circuit configuration of a two-wire transmitter in which the present invention can be implemented. 1...DC amplifier circuit, ■...Voltage/current conversion circuit,
E... detection signal, R6... variable resistor for span adjustment, R7... variable resistor for zero point current adjustment, U3... differential DC amplifier, U2... voltage follower type slow amplifier, T
,...voltage/current conversion transistor, a, b...
...Power terminal. View
Claims (1)
に接続する２抵抗の直列回路における何れか一方の抵抗
を可変抵抗で構成し前記電源の一方の端子に対する前記
２抵抗の接続点につくられるシグナルコモン電圧を加減
してカ七点電流の調整を行う二線式伝送器のゼＯ，α電
流調整回路。 ＃ １[Claims for Utility Model Registration] In a series circuit of two resistors connected between two terminals of a constant voltage power supply applied to a voltage/current conversion circuit, one of the resistors is constituted by a variable resistor, and one of the resistors is connected to one terminal of the power supply. ZeO, α current adjustment circuit for a two-wire transmitter that adjusts the current at seven points by adjusting the signal common voltage created at the connection point of the two resistors. #1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9469783U JPS605596U (en) | 1983-06-20 | 1983-06-20 | Zero point current adjustment circuit for two-wire transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9469783U JPS605596U (en) | 1983-06-20 | 1983-06-20 | Zero point current adjustment circuit for two-wire transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS605596U true JPS605596U (en) | 1985-01-16 |
Family
ID=30226540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9469783U Pending JPS605596U (en) | 1983-06-20 | 1983-06-20 | Zero point current adjustment circuit for two-wire transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS605596U (en) |
-
1983
- 1983-06-20 JP JP9469783U patent/JPS605596U/en active Pending
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