The #testtransistor from the previous #macromondays photo is quite interesting. The #collector potenrial is the shade in the middle of the #semiconductordie, with the rest on top being #teststructures. More info, as always, at #richislab via https://www.richis-lab.de/BipolarA68.htm #componentcloseup #componentscloseup #componentupclose #componentsupclose #transistorcircuits #transistoramplifier #tech #electronics