When you’re testing or debugging some mains-powered gear, plugging it directly into the outlet can often be an exciting ...
Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. A Variac looks like a sci-fi laboratory prop. For some reason, I ...
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