RW: "Digging Deeper Into Electret Microphone Circuitry"
Posted: Tue Feb 28, 2017 12:35 pm
"Digging Deeper Into Electret Microphone Circuitry," John Kean, Radio World, February 10, 2017.
https://www.radioworld.com/tech-and-gea ... -circuitryIn two articles thus far (RW Engineering Extra, Aug. 10 and Oct. 19, 2016), we’ve traced the origins of electret condenser microphones to their externally-polarized ancestor, patented in 1916. One hundred years later, modern materials and manufacturing have made electret condenser mikes cheap and plentiful — and with careful design electret audio performance can rival the best of their powered cousins. In this chapter, we’ll examine the anatomy of the circuitry following electrets and how they affect the sound output.