Tag Archives: HP 1402a

HP 1405A Plug-In Mystery: Which Is It?

I’m fixing up an HP 143A Wide-Screen Mainframe Oscilloscope, which has a very big selection of plug-ins to provide a variety of functions. The oscilloscope has symmetrical vertical and horizontal circuits, so it can be used as an X-Y amplifier … Continue reading

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Wanted: Vintage HP 1400-Series Vertical Amplifier Plug-Ins for Oscilloscope

I’m looking for plugins for my HP 143A Wide-Screen Mainframe Oscilloscope which I’m in the process of restoring. I’d love to run it as a 15″ high speed X-Y display, and to do so needs matched vertical amplifier plugins in … Continue reading

Posted in Electronics, Gadgets, Projects, Test Equipment, Vintage | Tagged , , , , , , , , , , , , | 4 Comments