Description

amplify low frequency noise project

This circuit is designed to amplify low frequency noise (0.1Hz to 10Hz) to a level that is easily measured by and oscilloscope. It achieves this function with a 0.1Hz second order high pass filter and a to 10Hz forth order low pass filter. The 0.1Hz to 10Hz noise measurement is a common figure of merit given in amplifier data sheets. This design is intended to facilitate the measurement 0.1Hz to 10Hz noise for the commonly used different package styles.

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May 12,2023

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amplify low frequency noise project

2 Layers PCB 88.9 x 101.6 mm FR-4, 1.6 mm, 1, HASL with lead, Green Solder Mask, White silkscreen

0.1-10Hz Amplifier Noise Measurement Filter Reference Design https://www.ti.com/tool/TIPD122#design-products

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Published: May 12,2023

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