A portable white noise generator is an essential tool for evaluating the performance of circuits or communication lines under simulated interference conditions. This helps ensure the device’s reliability in real-world, electrically noisy environments. The generator operates with minimal current consumption, allowing it to be powered by a compact 12V-23A battery. Its small form factor means you can easily design and 3D print a custom enclosure for the PCB, enhancing both its portability and durability. The schematic and PCB layout have been developed using Altium Designer 22, while the white noise output was verified with a Siglent SDS2102X Plus oscilloscope.
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Figure 1 below shows the schematic diagram, while Figure 2 illustrates the PCB layout and silkscreen design.
Figure 1
Schematic diagram of the portable white noise generator circuit
Figure 2
PCB layout and silkscreen of the portable white noise generator circuit
If you have any questions about PCB design or assembly, please don’t hesitate to contact us at info@wellcircuits.com.