JPS6035213U

JPS6035213U - linearization circuit

Info

Publication number: JPS6035213U
Application number: JP10453784U
Authority: JP
Inventors: ウイリアム・エル・トムプソン
Original assignee: ザ・バブコツク・アンド・ウイルコツクス・カンパニ−
Priority date: 1979-01-17
Filing date: 1984-07-12
Publication date: 1985-03-11
Also published as: JPH0119065Y2

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

[Brief explanation of the drawing]

第１図は本考案による直線化回路の回路図、第２図は抵
抗温度計デバイスの場合の典型的な電圧　　　　゛応答
曲線、抵抗温度計デバイスの二次電圧応答曲線および上
記２つの曲線を結合した場合に得られる電圧応答曲線を
示す特性図、第３図は熱電対の場合の典型的な電圧応答
曲線、熱電対の二次電圧応答曲線および上記２つの曲線
を結合した場合に得ることができる電圧応答曲線を示す
特性図である。２６．３６：演算増幅器、２８，３４，３６：電界効果
トランジスタ、３８：帰還ループ、４８：加算増幅器、
５０：トランジスタ。Figure 1 is a circuit diagram of a linearization circuit according to the present invention, Figure 2 is a typical voltage response curve for a resistance thermometer device, a secondary voltage response curve for a resistance thermometer device, and a combination of the above two curves. Figure 3 shows a typical voltage response curve for a thermocouple, a secondary voltage response curve for a thermocouple, and what can be obtained when the above two curves are combined. FIG. 3 is a characteristic diagram showing a possible voltage response curve. 26.36: operational amplifier, 28, 34, 36: field effect transistor, 38: feedback loop, 48: summing amplifier,
50: Transistor.

Claims

[Scope of utility model registration request]

(1) a nonlinear input voltage; a first voltage dividing means to which the input voltage is applied; and a voltage dividing means to which the input voltage is applied and connected to the first voltage dividing means; a voltage straight line comprising: second voltage dividing means for generating a proportional output voltage; and combining means for combining said input voltage and an output voltage proportional to the square of said input voltage to generate a substantially linear output signal. In the circuit, the first voltage dividing means includes a first amplifying means and a first switching means connected to an output terminal of the first amplifying means, and the first switching means the first amplifying means is also connected to an input of the first amplifying means so as to adjust the input voltages supplied to the input of the first amplifying means to be substantially equal, and the second voltage dividing means is and a second switching means connected to the input of the second amplification means, the second switching means also connected to the output of the second amplification means and the second switching means connected to the input of the second amplification means. the second amplifying means such that the input voltages supplied to the inputs of the second amplifying means are approximately equal;
adjusting the amplifying means, wherein the coupling means generates an approximately linear output signal by adding to or subtracting from the input voltage the output voltage which is proportional to the square of the input voltage. A voltage linearization circuit characterized by:

(2) The voltage linearization circuit according to claim 1, wherein the coupling means comprises a switching means and an amplification means electrically connected to the switching means.

(3) The voltage linearization circuit according to claim 1, which is provided with means for changing the magnitude of the output voltage that is proportional to the square value of the input voltage.