How to measure switching noise on a power supply properly, because Dave completely goofed it in the Riden RD6006 PSU review video.
http://s.click.aliexpress.com/e/DlHrJpFS
All about coaxial cable impedance matching and compensation.

Mysteries of x1 Oscilloscope Probes Revealed: https://www.youtube.com/watch?v=OiAmER1OJh4
PSU Ripple & Noise Measurement: https://www.youtube.com/watch?v=Edel3eduRj4

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