Comments on: Microphone powering ideas https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/ All about electronics and circuit design Wed, 29 Apr 2026 21:35:38 +0000 hourly 1 http://wordpress.org/?v=3.9.14 By: Tomi Engdahl https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/comment-page-1/#comment-1769018 Wed, 18 May 2022 19:57:55 +0000 http://www.epanorama.net/blog/?p=930#comment-1769018 https://sagittronics.wordpress.com/2019/07/04/simple-phantom-power-preamp-alex-rice-piezo-amplifier/

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/comment-page-1/#comment-1769017 Wed, 18 May 2022 19:57:03 +0000 http://www.epanorama.net/blog/?p=930#comment-1769017 ESP Project 50 Microphone Circuit Test Oscillator
http://wiki.diyrecordingequipment.com/projects/elliott-sound-products-microphone-circuit-test-oscillator/

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/comment-page-1/#comment-1769016 Wed, 18 May 2022 19:56:45 +0000 http://www.epanorama.net/blog/?p=930#comment-1769016 An RF-Circuit for Condenser Microphone Capsules
https://www.beis.de/Elektronik/HF-Mic/HF-Mic.html

This RF-circuit is operating at 7.68 MHz and 48 V phantom power supplied. It is tested with a large diaphragm cardioid capsule from Ralf Falk, who himself is designing a LF tube microphone and with a small diaphragm capsule from a Sennheiser MKH415. (Do not mix up: “RF” stands for “Radio-Frequency”, not for “Ralf Falk”!)

Lots of experiments, gathered experiences and improvements during the development – with quite satisfactory results, to my point of view.

DIY RF Condenser Microphone
Schematic
https://www.amx.jp137.com/index-scheme.html

The schematic shows the current version of the circuitry employed in the creation of this simple amplitude modulated RF oscillator based microphone.

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/comment-page-1/#comment-1769015 Wed, 18 May 2022 19:55:50 +0000 http://www.epanorama.net/blog/?p=930#comment-1769015 Mic Circuits From Simple to Professional
https://audioimprov.com/AudioImprov/Mics/Entries/2021/2/5_Circuits_-_Simple_to_Professional.html

Phantom powered FET preamp cable with output buffer
http://www.next.gr/circuits/Phantom-powered-FET-preamp-cable-with-output-buffer-l53389.html

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/comment-page-1/#comment-1769014 Wed, 18 May 2022 19:54:36 +0000 http://www.epanorama.net/blog/?p=930#comment-1769014 Phantom Power – What It Is And How It Works
https://sound-au.com/articles/p-48.htm

Phantom power voltage drop???
https://groupdiy.com/threads/phantom-power-voltage-drop.67092/

]]> By: Tomi Engdahl https://www.epanorama.net/blog/2010/01/21/microphone-powering-ideas/comment-page-1/#comment-1769013 Wed, 18 May 2022 19:53:40 +0000 http://www.epanorama.net/blog/?p=930#comment-1769013 Microphone Circuit Test Oscillator
https://sound-au.com/project50.htm

Sallen-Key Oscillator
http://williamsonic.com/ToneGen/index.html

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