Now downloading free:HP HP-Bench-Briefs-1987-10-12
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| File name: | HP-Bench-Briefs-1987-10-12.pdf [preview HP-Bench-Briefs-1987-10-12] |
| Size: | 19362 kB |
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| MD5: | 3b8c07090ae732ff8a48f9fd9bae379a |
| Mfg: | HP |
| Model: | HP-Bench-Briefs-1987-10-12 🔎 |
| Original: | HP-Bench-Briefs-1987-10-12 🔎 |
| Descr: | HP Publikacje HP-Bench-Briefs-1987-10-12.pdf |
| Group: | Electronics > Other > |
| Uploaded: | 16-03-2020 |
| User: | Anonymous |
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| Extracted files: | 1 | |
| File name | Text | |
| HP-Bench-Briefs-1987-10-12.pdf | SERVICE INFORMATION FROM HEWLETT-PACKARD 4th Quarter 1987 When a number is expressed in bi- REF nary or binary-coded decimal and an analog voltage is to be produced to represent the number, the most prac- tical way to perform this conversion is to add the currents having values proportional to the weights of the G binary bits. Figure 1 represents a simplified binary weighted D/A con- verter. Switches S1 to SN represent the binary bits and connect either to ground or a reference voltage. Figure 1 shows switch S1 connecting R to the reference voltage and all other switches connected to ground; but since point A is a virtual ground, there is no current through 2R, 4R, up to 2N-1R. The amplifier has, therefore, a gain of = -0.5 If | |
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