| ??? 11/05/09 10:08 Read: times |
#170452 - use pulse method Responding to: ???'s previous message |
send a pulse down the line and read echoed signal in phase=open out of phase=shorted time lapse betwix pulse/2 =distance, 24mhz clocked '52 give shorted range lots of calibrations but worth fiddling with |
| Topic | Author | Date |
| How to measure cable length (RJ45) using 8051? | 01/01/70 00:00 | |
| Some motivating questions... | 01/01/70 00:00 | |
| Hints | 01/01/70 00:00 | |
| Look up TDR | 01/01/70 00:00 | |
| maybe | 01/01/70 00:00 | |
| Right now... | 01/01/70 00:00 | |
| Some Ideas | 01/01/70 00:00 | |
| not practical with a '51, but with a scope | 01/01/70 00:00 | |
| Great progress | 01/01/70 00:00 | |
| We'll see... | 01/01/70 00:00 | |
| End goal is important when selecting method | 01/01/70 00:00 | |
| use pulse method | 01/01/70 00:00 | |
yeah TDR? | 01/01/70 00:00 |