Timeline for What JFETS are used in electret mics?
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| Nov 17, 2023 at 5:13 | comment | added | tobalt | Neither is it true that all JFET have 10 mA IDSS, nor would a lower IDSS of ~1 mA be required to make it work. You can always reduce the quiescent operating IDS below the value of IDSS, by adding a source resistor. The source resistor also makes the amplifier more linear. | |
| Sep 23, 2023 at 19:19 | answer | added | Spehro 'speff' Pefhany | timeline score: 0 | |
| Sep 23, 2023 at 19:01 | vote | accept | LEXOR AI | ||
| Sep 23, 2023 at 19:37 | |||||
| Sep 22, 2023 at 23:26 | answer | added | qrk | timeline score: 2 | |
| Sep 22, 2023 at 22:50 | comment | added | periblepsis | The ancient BF852 might be another option to consider. I haven't looked around to see if they still can be had, though. And I don't know what device is used in any particular electret. | |
| Sep 22, 2023 at 22:24 | comment | added | periblepsis | The JFE150 would be a good example. It will work quite well at \$500\:\mu\text{A}\$. | |
| Sep 22, 2023 at 22:24 | comment | added | Marcus Müller | just about any JFET made from silicon would do. | |
| Sep 22, 2023 at 21:54 | history | asked | LEXOR AI | CC BY-SA 4.0 |