https://electronicscheme.net/dynamic-microphone-amplifier/?utm_source=rss&utm_medium=rss&utm_campaign=dynamic-microphone-amplifier Schematic Diagram & PCB Design Sat, 20 Sep 2014 01:17:33 +0000 hourly 1 https://electronicscheme.net/dynamic-microphone-amplifier/#comment-107359 Mon, 23 May 2011 09:23:20 +0000 http://electronicscheme.net/?p=283#comment-107359 I have designed and constructed a microphone amplifier circuit using LM301 with a line driver SSM2142 and a line receiver SSM2141.The circuit is supposed to pick up any voice/audio by the mic and send it via 100m Twisted Pair Cable to a PC for recording and analysis.I am using an omnidirectional Yodata Laptop Microphone,but i get nothing on the output.The circuit(amplification etc.) on its own is perfectly working but the audio/voice part is not,cracking my head.I have tried a ready-made Phillips microphone on my circuit and i works perfectly but the mic described for the job turns me down..Please help

]]>