Posted by dapj20 on Feb 12, 2016 in Interface-Computer, Digital-Schematics, Discrete-Circuits
This circuit is a small representation of a very low cost printer sharer. It has no Active Devices only diodes. Pot the product in epoxy with a black dye, they serve the purpose. Output impedance of this circuit is high, sink is 220K source is 3.9K+ so… more »