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A Better Way

Another common and improved method is to remove the scope probe tip housing and tightly wrap a length of non-insulated wire around the probe. This approach reduces the VOUT to ground measurement loop, thereby significantly reducing the antenna effect and improving the measurement accuracy. Note the significant amount of VOUT ripple spike reduction compared to the 10X probe, from 70 mV peak-to-peak to 35 mV peak-to-peak. This is a quick way to reduce noise spikes.

PTM Published on: 2020-10-01