CA1114510A - Integrated weighted current digital to analog converter - Google Patents
Integrated weighted current digital to analog converterInfo
- Publication number
- CA1114510A CA1114510A CA238,433A CA238433A CA1114510A CA 1114510 A CA1114510 A CA 1114510A CA 238433 A CA238433 A CA 238433A CA 1114510 A CA1114510 A CA 1114510A
- Authority
- CA
- Canada
- Prior art keywords
- current
- current sources
- resistor
- binary
- 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.)
- Expired
Links
- 238000012546 transfer Methods 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 208000003251 Pruritus Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Analogue/Digital Conversion (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52430274A | 1974-11-15 | 1974-11-15 | |
| US524,302 | 1974-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1114510A true CA1114510A (en) | 1981-12-15 |
Family
ID=24088631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA238,433A Expired CA1114510A (en) | 1974-11-15 | 1975-10-27 | Integrated weighted current digital to analog converter |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5639091B2 (enExample) |
| BR (1) | BR7507577A (enExample) |
| CA (1) | CA1114510A (enExample) |
| DE (1) | DE2536633A1 (enExample) |
| FR (1) | FR2291649A1 (enExample) |
| GB (1) | GB1517199A (enExample) |
| IT (1) | IT1043515B (enExample) |
| MX (1) | MX143429A (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2803099C3 (de) * | 1978-01-25 | 1986-07-10 | Hans-Ulrich 5810 Witten Post | Digital-Analog-Umsetzer in integrierter Schaltungstechnik |
| FR2454726A1 (fr) * | 1979-04-19 | 1980-11-14 | Laures Antoine | Convertisseur numerique-analogique ultra-rapide |
| US4352093A (en) | 1980-12-19 | 1982-09-28 | Antoine Laures | High-speed digital/analog converter |
| JPS57194625A (en) * | 1981-05-27 | 1982-11-30 | Nec Corp | Digital to analog converter |
| DE3169846D1 (en) * | 1981-09-10 | 1985-05-15 | Itt Ind Gmbh Deutsche | Monolithic integrated da convertor with bipolar transistors |
| JPS5954322A (ja) * | 1982-09-22 | 1984-03-29 | Hitachi Ltd | Ｄ／ａ変換器 |
| JPS61240716A (ja) * | 1985-04-17 | 1986-10-27 | Mitsubishi Electric Corp | ディジタルアナログコンバ−タ |
| JPH0779244B2 (ja) * | 1985-07-24 | 1995-08-23 | 株式会社日立マイコンシステム | 半導体集積回路装置 |
| US4769632A (en) * | 1986-02-10 | 1988-09-06 | Inmos Limited | Color graphics control system |
-
1975
- 1975-08-16 DE DE19752536633 patent/DE2536633A1/de not_active Ceased
- 1975-09-19 FR FR7529329A patent/FR2291649A1/fr active Granted
- 1975-10-07 GB GB40911/75A patent/GB1517199A/en not_active Expired
- 1975-10-21 IT IT28478/75A patent/IT1043515B/it active
- 1975-10-27 CA CA238,433A patent/CA1114510A/en not_active Expired
- 1975-10-29 JP JP12939575A patent/JPS5639091B2/ja not_active Expired
- 1975-11-10 MX MX161791A patent/MX143429A/es unknown
- 1975-11-14 BR BR7507577A patent/BR7507577A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5168763A (enExample) | 1976-06-14 |
| IT1043515B (it) | 1980-02-29 |
| DE2536633A1 (de) | 1976-05-20 |
| JPS5639091B2 (enExample) | 1981-09-10 |
| GB1517199A (en) | 1978-07-12 |
| FR2291649A1 (fr) | 1976-06-11 |
| BR7507577A (pt) | 1976-08-31 |
| MX143429A (es) | 1981-05-12 |
| FR2291649B1 (enExample) | 1978-04-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |