Electret Microphone High Gain at Linda Moulton blog

Electret Microphone High Gain. Maybe you're fine as is if you will be using a high enough resolution a/d so that the signal can only use part of the range. The noise falls to about 12nv/rthz at a gain of 200 (rgain = 1.1k between pins 1 and 14). 12nv/rthz is still noisy but probably what you could expect for such a low power device. While electret mics are often thought to be at the low end, they are now very common for the highest quality measurement mics, and are also common for nature recordings. With this gain, you need 50 mvpp from the mic, which sounds a bit high.

Electret Microphone Amplifier with Adjustable Gain Voltaat
from www.voltaat.com

While electret mics are often thought to be at the low end, they are now very common for the highest quality measurement mics, and are also common for nature recordings. 12nv/rthz is still noisy but probably what you could expect for such a low power device. Maybe you're fine as is if you will be using a high enough resolution a/d so that the signal can only use part of the range. The noise falls to about 12nv/rthz at a gain of 200 (rgain = 1.1k between pins 1 and 14). With this gain, you need 50 mvpp from the mic, which sounds a bit high.

Electret Microphone Amplifier with Adjustable Gain Voltaat

Electret Microphone High Gain 12nv/rthz is still noisy but probably what you could expect for such a low power device. While electret mics are often thought to be at the low end, they are now very common for the highest quality measurement mics, and are also common for nature recordings. Maybe you're fine as is if you will be using a high enough resolution a/d so that the signal can only use part of the range. 12nv/rthz is still noisy but probably what you could expect for such a low power device. With this gain, you need 50 mvpp from the mic, which sounds a bit high. The noise falls to about 12nv/rthz at a gain of 200 (rgain = 1.1k between pins 1 and 14).

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