Timeline for Sharing clock pulse between different devices
Current License: CC BY-SA 4.0
3 events
| when toggle format | what | by | license | comment | |
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| Apr 25, 2023 at 4:46 | comment | added | Bruce Abbott | The input is pulling up to eg. 10V. The 5V regulator in your power supply doesn't pull down, so without a current sink the voltage can rise above 5V and the regulator can't stop it. One way to prevent it is put a 5V zener diode across the input. | |
| Apr 25, 2023 at 0:28 | comment | added | eaterbugs | Could you please explain what you mean by “ If for any reason current draw on the 5 V line drops below ~0.30 mA (total injected current of the two EXT inputs) the voltage could rise, possibly causing misoperation “ also how do i safeguard against it? | |
| Apr 24, 2023 at 6:50 | history | answered | Bruce Abbott | CC BY-SA 4.0 |