This circuit is from a 1980s Signetics documentation. The circuit separates the modulation signal from a carrier. The used components are not common today.
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...