An early use of transistors might be the base current output stage of the 575 transistor curve tracer, started in 1957. This base supply consists of 2 pnp Germanium power transistors, driven by the (t

Hello John, I would like to buy the main interface board - with the connectors to the plugins. I am in urgend need of the plastic covers for my 7704. Please answer me with details to ssans <at> freene

Hello Brad, I am in need of such a blue plugin connector, the one on my 1L5 plugin is broken. If you are willing to send it to Germany (I am ready to pay extra postage fee), please contact me directly