JPS57185722A - Digital-to-analog converter - Google Patents
Digital-to-analog converterInfo
- Publication number
- JPS57185722A JPS57185722A JP6942881A JP6942881A JPS57185722A JP S57185722 A JPS57185722 A JP S57185722A JP 6942881 A JP6942881 A JP 6942881A JP 6942881 A JP6942881 A JP 6942881A JP S57185722 A JPS57185722 A JP S57185722A
- Authority
- JP
- Japan
- Prior art keywords
- outputs
- resistor
- inputted
- shift register
- digital
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/66—Digital/analogue converters
- H03M1/74—Simultaneous conversion
- H03M1/80—Simultaneous conversion using weighted impedances
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
PURPOSE:To decrease number of components, by connecting a weighted resistor to a parallel output terminal of a shift register to which a series digital signal is inputted, commonly connecting other ends and connecting the point to another resistor. CONSTITUTION:A digital input is inputted to a shift register 7 to be parallel outputs D1-D3. Weighted resistors R8-R10 are respectively connected to the outputs D1-D3 and other ends of the resistors R8-R10 are commonly connected. The common connecting point is taken as an output terminal Vout and grounded via a resistor R11. The resistance values are as R9=2R8 and R10=4R8 and an analog voltage in response to outputs D1-D3 can be obtained at the terminal Vout.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6942881A JPS57185722A (en) | 1981-05-11 | 1981-05-11 | Digital-to-analog converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6942881A JPS57185722A (en) | 1981-05-11 | 1981-05-11 | Digital-to-analog converter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57185722A true JPS57185722A (en) | 1982-11-16 |
Family
ID=13402337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6942881A Pending JPS57185722A (en) | 1981-05-11 | 1981-05-11 | Digital-to-analog converter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57185722A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61251327A (en) * | 1985-04-30 | 1986-11-08 | Fujitsu Ltd | Digital-analog converter |
-
1981
- 1981-05-11 JP JP6942881A patent/JPS57185722A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61251327A (en) * | 1985-04-30 | 1986-11-08 | Fujitsu Ltd | Digital-analog converter |
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