JPS5857108U - Analog signal input circuit - Google Patents

Analog signal input circuit

Info

Publication number
JPS5857108U
JPS5857108U JP15253481U JP15253481U JPS5857108U JP S5857108 U JPS5857108 U JP S5857108U JP 15253481 U JP15253481 U JP 15253481U JP 15253481 U JP15253481 U JP 15253481U JP S5857108 U JPS5857108 U JP S5857108U
Authority
JP
Japan
Prior art keywords
input
transmission line
analog signal
input circuit
signal input
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
Application number
JP15253481U
Other languages
Japanese (ja)
Inventor
内池　久幸
Original Assignee
株式会社横河電機製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社横河電機製作所 filed Critical 株式会社横河電機製作所
Priority to JP15253481U priority Critical patent/JPS5857108U/en
Publication of JPS5857108U publication Critical patent/JPS5857108U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本考案実施例の概念的構成図、第２図および
第３図は、第１甲の等価回路図である。 Ｔｉ□、　Ｔｉ２（ｉ＝１ｙｎ）、Ｓｉ□、　５ｉ２−
・・スイッチ、Ａｓ５ｓ差動増幅器、Ｚｉ・・・インピ
ーダンス素子。FIG. 1 is a conceptual block diagram of an embodiment of the present invention, and FIGS. 2 and 3 are equivalent circuit diagrams of the first embodiment. Ti□, Ti2 (i=1yn), Si□, 5i2-
...Switch, As5s differential amplifier, Zi...impedance element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 差動増幅器、この差動増幅器にアナログ入力信号を導入
する二本の伝送線からなる入力チャネル、および、この
入力チャネルにおける一方の伝送線側を接地点に接続す
るインは−ダンス素子であっ□　　　て、その値が伝送
線の抵抗値よりも十分大きく伝□　　送線に絶縁形の入
力信号源が接続されるときのコモンモード・ノイズ源の
内部インピーダンスよりも十分小さいインピーダンス素
子を具備するアナログ信号入力回路。A differential amplifier, an input channel consisting of two transmission lines that introduce an analog input signal into this differential amplifier, and an input that connects one transmission line side of this input channel to a ground point are -dance elements. □ An analog signal with an impedance element whose value is sufficiently larger than the resistance value of the transmission line, and whose impedance element is sufficiently smaller than the internal impedance of the common mode noise source when an isolated input signal source is connected to the transmission line. input circuit.
JP15253481U 1981-10-14 1981-10-14 Analog signal input circuit Pending JPS5857108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15253481U JPS5857108U (en) 1981-10-14 1981-10-14 Analog signal input circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15253481U JPS5857108U (en) 1981-10-14 1981-10-14 Analog signal input circuit

Publications (1)

Publication Number Publication Date
JPS5857108U true JPS5857108U (en) 1983-04-18

Family

ID=29945176

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15253481U Pending JPS5857108U (en) 1981-10-14 1981-10-14 Analog signal input circuit

Country Status (1)

Country Link
JP (1) JPS5857108U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951428A (en) * 1972-09-22 1974-05-18

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4951428A (en) * 1972-09-22 1974-05-18

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