| ??? 08/05/03 11:01 Read: times |
#52130 - RE: 8880 can't drive the tel. line Responding to: ???'s previous message |
Kurina,
On page 3, Fig 4 in the datasheet, you can find a differential input configuration circuit. You might need to adjust the component values according to your PSTN. Open ends of C1 and C2 should be connected to telephone. PS. This circuit does not include any protection. |
| Topic | Author | Date |
| 8880 can't drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can't drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can\\\\\\\\\\\\\\\'t drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can\\\\\\\\\\\\\\\'t drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can\\\'t drive line | 01/01/70 00:00 | |
RE: 8880 can\\\'t drive line | 01/01/70 00:00 | |
| RE: 8880 can't drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can't drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can't drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can't drive the tel. line | 01/01/70 00:00 | |
| RE: 8880 can't drive the tel. line | 01/01/70 00:00 |