JPH0481025U - - Google Patents
Info
- Publication number
- JPH0481025U JPH0481025U JP12416590U JP12416590U JPH0481025U JP H0481025 U JPH0481025 U JP H0481025U JP 12416590 U JP12416590 U JP 12416590U JP 12416590 U JP12416590 U JP 12416590U JP H0481025 U JPH0481025 U JP H0481025U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- pressure transducer
- magnitude
- changing
- voltage
- 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
- 238000010586 diagram Methods 0.000 description 5
- 230000005669 field effect Effects 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は本考案の第１実施例に係る増幅器付圧
力変換器の構成図、第２図は本考案の第２実施例
に係る増幅器付圧力変換器の構成図、第３図は同
実施例の動作を説明するための利得・零点の変化
状態を示す図、第４図は従来の増幅器付圧力変換
器の構成図である。
１１，１１Ａ……増幅器付圧力変換器、１２…
…受感部、１３……演算増幅器、１４……電界効
果トランジスタ、１５……出力増幅器、１６……
信号出力線、１７……電源入力線、１８……アー
ス線、１９……利得可変電圧入力線、２０……零
点可変電圧入力線、２１……中間増幅器、２２…
…可変利得増幅器、２３……第１の緩衝増幅器、
２４……第２の緩衝増幅器。
Fig. 1 is a block diagram of a pressure transducer with an amplifier according to a first embodiment of the present invention, Fig. 2 is a block diagram of a pressure transducer with an amplifier according to a second embodiment of the present invention, and Fig. 3 is a diagram showing the same implementation. FIG. 4 is a diagram showing changes in gain and zero point for explaining the operation of the example, and is a configuration diagram of a conventional pressure transducer with an amplifier. 11, 11A...Pressure transducer with amplifier, 12...
... Sensing section, 13 ... Operational amplifier, 14 ... Field effect transistor, 15 ... Output amplifier, 16 ...
Signal output line, 17...Power supply input line, 18...Ground wire, 19...Variable gain voltage input line, 20...Zero point variable voltage input line, 21...Intermediate amplifier, 22...
... variable gain amplifier, 23 ... first buffer amplifier,
24...Second buffer amplifier.
Claims (1)
いて、外部から与える電圧あるいは電流の大きさ
により利得を変化させる機能を持つた増幅器を内
蔵したことを特徴とする増幅器付圧力変換器。 (2) 圧力を電気信号に変換する圧力変換器にお
いて、外部から与える電圧あるいは電流の大きさ
により利得を変化させる機能を持つた増幅器、及
び外部から与える電圧あるいは電流の大きさによ
り零点を変化させる機能を持つた増幅器を内蔵し
たことを特徴とする増幅器付圧力変換器。[Claims for Utility Model Registration] (1) A pressure transducer that converts pressure into an electrical signal, characterized by having a built-in amplifier that has the function of changing the gain depending on the magnitude of externally applied voltage or current. Pressure transducer with amplifier. (2) In a pressure transducer that converts pressure into an electrical signal, an amplifier that has the function of changing the gain depending on the magnitude of the voltage or current applied from the outside, and changing the zero point depending on the magnitude of the voltage or current applied from the outside. A pressure transducer with an amplifier, which is characterized by having a built-in amplifier with functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12416590U JPH0481025U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12416590U JPH0481025U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481025U true JPH0481025U (en) | 1992-07-15 |
Family
ID=31871827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12416590U Pending JPH0481025U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481025U (en) |
-
1990
- 1990-11-28 JP JP12416590U patent/JPH0481025U/ja active Pending