JPS59104631U - Analog to digital converter - Google Patents

Analog to digital converter

Info

Publication number
JPS59104631U
JPS59104631U JP19952982U JP19952982U JPS59104631U JP S59104631 U JPS59104631 U JP S59104631U JP 19952982 U JP19952982 U JP 19952982U JP 19952982 U JP19952982 U JP 19952982U JP S59104631 U JPS59104631 U JP S59104631U
Authority
JP
Japan
Prior art keywords
analog
digital
input
analog signal
signal
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
JP19952982U
Other languages
Japanese (ja)
Inventor
山中　純一
西野　泰蔵
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP19952982U priority Critical patent/JPS59104631U/en
Publication of JPS59104631U publication Critical patent/JPS59104631U/en
Pending legal-status Critical Current

Links

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 drawings]

第１図はこの考案のアナログ・ディジタル変換器の一実
施例を示す回路図、第２図は同上アナログ・ディジタル
変換器における各アナログ・ディジタル変換回路の入力
アナログ信号対ディジタル変換出力特性を示す図、第３
図は第２図の入力アナログ信号対ディジタル変換出力特
性の別の例を　　　゛示す図、第４図は同上アナログ・
ディジタル変換器による変換出力をディジタルアナログ
変換器で復調したときの特性例を示す図である。 ２・・・第１増幅器、３・・・第２増幅器、４．５・・
・Ａ／Ｄ変換器、６・・・ディジタルコンパレータ、９
．−１０・・・ゲート、１０〜１９・・・出力ライン。Figure 1 is a circuit diagram showing one embodiment of the analog-to-digital converter of this invention, and Figure 2 is a diagram showing the input analog signal versus digital conversion output characteristics of each analog-to-digital conversion circuit in the analog-to-digital converter. , 3rd
The figure shows another example of the input analog signal vs. digital conversion output characteristics in Figure 2.
FIG. 7 is a diagram showing an example of characteristics when a conversion output from a digital converter is demodulated by a digital-to-analog converter. 2...first amplifier, 3...second amplifier, 4.5...
・A/D converter, 6...Digital comparator, 9
．． -10...Gate, 10-19...Output line.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　入力アナログ信号対ディジタル変換出力特性
の感度がそれぞれ異なる複数個のアナログ・ディジタル
変換回路で入力アナログ信号をディジタル信号に変換す
ることを特徴とするアナログ・ディジタル変換器。(1) An analog-to-digital converter characterized in that an input analog signal is converted to a digital signal using a plurality of analog-to-digital conversion circuits each having a different sensitivity of input analog signal to digital conversion output characteristics. （２）　　入力アナログ信号に対し最も分解能の高い動
作を行うアナログ・ディジタル変換回路がその変換動作
可能な入力信号領域外の入力アナログ信号印加時に入力
アナログ信号対ディジタル変換出力感度のよい低いアナ
ログ・ディジタル変換回路の出力を取り出すことを特徴
とする実用新案登録請求の範囲第１項記載のアナログ・
ディジタル変換器。 ゛（３）　　アナログ・ディジタル変換回路は入力アナ
ログ信号が低レベルのときの量子化ステップを入力アナ
ログ信号が高レベルのときより細くすることを特徴もす
る実用新案登録請求の範囲第１項記載のアナログ・ディ
ジタル変換器。(2) When an analog-to-digital conversion circuit that operates with the highest resolution for an input analog signal applies an input analog signal that is outside the input signal range in which it can convert, the input analog signal to digital conversion output has low sensitivity analog to digital. The analog converter according to claim 1 of the utility model registration claim, characterized in that the output of the conversion circuit is taken out.
Digital converter. (3) The analog-to-digital conversion circuit is characterized in that the quantization step when the input analog signal is at a low level is narrower than when the input analog signal is at a high level. Analog to digital converter.
JP19952982U 1982-12-28 1982-12-28 Analog to digital converter Pending JPS59104631U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19952982U JPS59104631U (en) 1982-12-28 1982-12-28 Analog to digital converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19952982U JPS59104631U (en) 1982-12-28 1982-12-28 Analog to digital converter

Publications (1)

Publication Number Publication Date
JPS59104631U true JPS59104631U (en) 1984-07-14

Family

ID=30425059

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19952982U Pending JPS59104631U (en) 1982-12-28 1982-12-28 Analog to digital converter

Country Status (1)

Country Link
JP (1) JPS59104631U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01196920A (en) * 1988-02-01 1989-08-08 Mitsubishi Electric Corp Analog/digital converter
JP2009296629A (en) * 2002-12-04 2009-12-17 Nxp Bv Non-linear distribution of voltage steps in flash-type a/d converters

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240952A (en) * 1975-09-26 1977-03-30 Mitsubishi Electric Corp Analog-digital converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240952A (en) * 1975-09-26 1977-03-30 Mitsubishi Electric Corp Analog-digital converter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01196920A (en) * 1988-02-01 1989-08-08 Mitsubishi Electric Corp Analog/digital converter
JP2009296629A (en) * 2002-12-04 2009-12-17 Nxp Bv Non-linear distribution of voltage steps in flash-type a/d converters

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