| ??? 01/06/06 01:00 Modified: 01/06/06 01:03 Read: times |
#106667 - Need Amp Responding to: ???'s previous message |
You need to use an op-amp for the output stage - the o/p is a CURRENT not a voltage. And the DAC NEEDS a -ve supply rail too.
MInimum code to drive sawtooth would be something like CLR A loop: MOV P2,A DJNZ A,Loop |
| Topic | Author | Date |
| Assembly Help | 01/01/70 00:00 | |
| Details | 01/01/70 00:00 | |
| Triangle output from EPROM function site | 01/01/70 00:00 | |
| Here is the circuit | 01/01/70 00:00 | |
| nothing there | 01/01/70 00:00 | |
| help | 01/01/70 00:00 | |
| Now really here :) | 01/01/70 00:00 | |
| To see picture | 01/01/70 00:00 | |
| circuit | 01/01/70 00:00 | |
| DAC ? | 01/01/70 00:00 | |
| connections | 01/01/70 00:00 | |
Need Amp | 01/01/70 00:00 |