Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a heat sink. The motor can be up to 3A.
This circuit is from Radio Electronics magazine from June 1958. The tuned range at the time was...
Decade counters, such as the 4017, can be cascaded as sourcing signals with the frequency divided...
This oscillator can produce 2 to 10 MHz signals depending on the coils used. The transistors can...