home studios equipment staff/friends booking/rates for sale forum contact

Need help about noise cancelling Microphones

All your geeky questions about electronics, microphones, tape machines, etc.

Moderators: kerble, Electrical-Staff

Need help about noise cancelling Microphones

Postby RaseelJ on Tue Jul 18, 2017 6:11 am

I have assembled a noise canceling Microphone using EK-28522-C25 single supply yet ( for an example https://www.icrfq.com/part/351-EK_28522_C25.html )
I am experiencing issues understanding the noise canceling Circuit IC.

It contains the EK-28522-C25, (Frequency-100Hz ~ 6kHz - -54dB ±3dB @ 74dB SPL) with 1.3v.

Sensitivity W/M 54db±3dB-74dB SPL between 65db±5dB-85dB
Air pumping Capacity 7mm³ and fo 480Hz
Frequency Range 450-8000Hz
Maximum Sine Power 10mW
SPL 110dB max sine power

Can anyone please help me the detailed of noise canceling frequency?
Posts: 1
Joined: Tue Jul 18, 2017 5:32 am

Return to Tech Room

Who is online

Users browsing this forum: Dr Tony Balls, ErikG, tallchris and 10 guests