Re: How to make a 500 series plug-in extender


Martin Hodge
 

Here's one I made from the connectors taken out of a trashed type 81 plugin adapter. Two long standoffs hold it rigid. Feeding a square wave of a precise amplitude, through a coupling capacitor, into the scope side of the resistor allows calibration of a scope's vertical gain. The resistor is bypassed when calibrating a plugin.

https://groups.io/g/TekScopes/photo/254285/0

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