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ParcGwyn · 11th Oct 2017, 1:07 pm

I built two nearly identical curve tracers in the 1980'2, one from pnp transistors and one from npn transistors. I think it was a Elecktor design. They both worked, I needed the two as the pnp version only tested pnp and the npn version only tested npn. I played wit them for about a week and then put them away for future use, I think they are still in the shed.

Dave

GW7ONS

11th Oct 2017, 1:07 pm	#42
ParcGwyn Hexode Join Date: Jun 2005 Location: Aberystwyth, Wales, UK. Posts: 358	Re: The perils of homebrewing equipment I built two nearly identical curve tracers in the 1980'2, one from pnp transistors and one from npn transistors. I think it was a Elecktor design. They both worked, I needed the two as the pnp version only tested pnp and the npn version only tested npn. I played wit them for about a week and then put them away for future use, I think they are still in the shed. Dave GW7ONS