A Portable White Noise Generator Circuit

Other Hardware Science and Measurement
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A portable white noise generator is a handy tool that can be used to examine the circuit or a communication line under some random noises to make sure about the reliability of the device in harsh environments. The current consumption of the device is low, so you can power the circuit using a small 12V-23A battery. The PCB is compact, so if you have access to a 3D printer, you can build a nice enclosure for the board. The schematic and PCB have been designed using Altium Designer 22. The white noise output has been tested using the Siglent SDS2102X Plus oscilloscope.

YouTube: https://www.youtube.com/watch?v=C-8A7VEylq0

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Please post the schematic, rather than unhelpful images of the PCB and silk screen.

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