This frequency divider by 10 uses discrete components only. Modern equivalent components can be used as the circuit is from an 80's documentation. Nearby frequencies can be used.
This is a simulation of a Relaxation Oscillator using a programmable unijunction transistor (PUT). The...
June 2017 - The new non-polarized SMT aluminum electrolytic capacitors from Wurth Electronics can...
This traditional signal injector from a 1970s publication uses germanium transistors. We can mount it...