We found this circuit in a magazine 73 from the 90's. It is a circuit indicated for radio-amateur transmitters with the frequencies determined by the sets of coils.
This circuit was found in documentation from the 70s. The transistors are from that time, but the...
Epcos TDK TB2569 Film Capacitor EPCOS / TDK offers through Mouser Electronics are line of film...
A very interesting integrated circuit for step-down converter designs (voltage reducers) with an...