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EEVblog #611 - Electret Microphone Design

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Part 5 - Doug Ford explains the design of Electret Microphone circuits, and all the associated traps: Transconductance, correct biasing, and temperature effects, leaky JFETS, non-linear clipping & headroom, current noise and voltage noise, and pseudo bias resistors. Also, the non-intuitive concept of higher resistance = less noise, and how this applies to electret biasing. And what is a soggy circuit board and why is it important? Forum: All the microphone series videos are here: EEVblog Main Web Site: EEVblog Amazon Store: Donations: Projects: Electronics Info Wiki: Теги: Electret Microphone (Invention),electret microphone,circuit,design,how it works,resistance,jfet,transconductance,biasing,microphone,temperature,graph,frequency response,bias resistor,current noise,voltage noise,tutorial

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