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![Activity S1: Electret microphone preamplifier [Analog Devices Wiki]](https://wiki.analog.com/_media/university/courses/alm1k/alm-lab-s1_f2.png?w=600&tok=ae194f "Activity S1: Electret microphone preamplifier [Analog Devices Wiki]")
Activity S1: Electret microphone preamplifier [Analog Devices Wiki]
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