Timeline for What's the difference between using 3.7v and 9v as phantom for electret mic?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 10, 2021 at 1:07 | comment | added | D.A.S. | Any CMOS Op Amp with that Vdd rating | |
| Jan 10, 2021 at 0:15 | comment | added | Loo | Thanks @Tony. I used TL072 or LM358 for op-amp stages with 9v batteries. I see that the LM321 works with 3.7v but I never used it. Would you have any suggestion for the low current op-amp? | |
| Jan 10, 2021 at 0:02 | vote | accept | Loo | ||
| Jan 9, 2021 at 20:58 | history | answered | D.A.S. | CC BY-SA 4.0 |