JPS6123740U - Digital/analog conversion circuit - Google Patents

Digital/analog conversion circuit

Info

Publication number
JPS6123740U
JPS6123740U JP10720684U JP10720684U JPS6123740U JP S6123740 U JPS6123740 U JP S6123740U JP 10720684 U JP10720684 U JP 10720684U JP 10720684 U JP10720684 U JP 10720684U JP S6123740 U JPS6123740 U JP S6123740U
Authority
JP
Japan
Prior art keywords
digital
conversion circuit
analog conversion
photocoupler
capacitor
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
JP10720684U
Other languages
Japanese (ja)
Inventor
憲和 西山
Original Assignee
株式会社明電舎
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 株式会社明電舎 filed Critical 株式会社明電舎
Priority to JP10720684U priority Critical patent/JPS6123740U/en
Publication of JPS6123740U publication Critical patent/JPS6123740U/en
Pending legal-status Critical Current

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  • Analogue/Digital Conversion (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) [Abstract] 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図は本考案の実施例を示す回路図、第２図Ａ， Ｂ
は夫々デイジタル回路の出力信号、アナログ回路の出力
信号を示す波形図である。 ＰＣ・・・・・・フォトカプラ、Ｔ・・・・・・放電用
トランジスタ、Ｃ・・・・・・コンデンサ、Ｒ５・・・
・・・制限抵抗。Figure 1 is a circuit diagram showing an embodiment of the present invention, Figure 2 A and B
are waveform diagrams showing output signals of a digital circuit and an output signal of an analog circuit, respectively. PC: Photocoupler, T: Discharge transistor, C: Capacitor, R5:
...limiting resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] デイジタル信号の入力により出力信号を発するフォトカ
プラと、このフォトカプラの出力側にベースが接続され
、当該フォトカプラの出力信号に−より作動する放電用
トランジスタと、この放電用トランジスタのエミツタ、
コレクタ間に接続されたコンデンサとを有し、前記コン
サに充電された電荷を前記放電用トランジスタの作動時
にこれを介して放電させることを特徴とするデイジタル
・アナログ変換回路。A photocoupler that emits an output signal in response to input of a digital signal, a discharging transistor whose base is connected to the output side of the photocoupler and is activated by the output signal of the photocoupler, and an emitter of the discharging transistor.
1. A digital-to-analog conversion circuit, comprising: a capacitor connected between collectors; the charge charged in the capacitor is discharged through the capacitor when the discharging transistor is activated.
JP10720684U 1984-07-16 1984-07-16 Digital/analog conversion circuit Pending JPS6123740U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10720684U JPS6123740U (en) 1984-07-16 1984-07-16 Digital/analog conversion circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10720684U JPS6123740U (en) 1984-07-16 1984-07-16 Digital/analog conversion circuit

Publications (1)

Publication Number Publication Date
JPS6123740U true JPS6123740U (en) 1986-02-12

Family

ID=30666463

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10720684U Pending JPS6123740U (en) 1984-07-16 1984-07-16 Digital/analog conversion circuit

Country Status (1)

Country Link
JP (1) JPS6123740U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50115462A (en) * 1974-02-20 1975-09-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50115462A (en) * 1974-02-20 1975-09-10

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