| ??? 05/30/06 12:26 Read: times |
#117263 - So you've chosen the wrong ADC? Responding to: ???'s previous message |
Jiya Siddiqui said:
i have facing tha problem is that, i am using ADC0808.
its a 8 bit adc so its total location is 255, but i masure phase to phase voltages its aproximate 380, so i want 450 location adc or any idea which its solve So, if you need 450 steps, why did you choose an ADC with only 256 steps? If you really do need 450 steps, then you need (at least) a 9-bit ADC (512 steps). But do you actually need 450 steps? Jiya Siddiqui said:
i masure phase to phase voltages its aproximate 380, so i want 450 location How do you deduce that you need 450 steps from the fact that the voltage is 380? Either there is something you've omitted to mention, or this is an invalid deduction! |
| Topic | Author | Date |
| problem | 01/01/70 00:00 | |
| What is the problem | 01/01/70 00:00 | |
| 1.consider 2.schedule 3. write software | 01/01/70 00:00 | |
| First steps | 01/01/70 00:00 | |
| Also.... | 01/01/70 00:00 | |
| thanks to reply | 01/01/70 00:00 | |
| Some Hints! | 01/01/70 00:00 | |
| actual problem is here | 01/01/70 00:00 | |
| So you've chosen the wrong ADC? | 01/01/70 00:00 | |
| two ways | 01/01/70 00:00 | |
Schematic? | 01/01/70 00:00 |