By Hesam Moshiri, Anson Bao
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.
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Figure 1 shows the schematic diagram and figure 2 shows the PCB layout and silkscreen.
Figure 1
Schematic diagram of the portable white noise generator circuit
Figure 2
PCB Layout/Silkscreen of the portable white noise generator circuit
