This circuit was found in Motorola documentation from the 1980s. PUTs are not common components today and lamp power depends on the SCR.
This circuit with three transistors was suggested in a Radio Electronics magazine from February 1963....
This LC oscillator was found in English documentation from the 1990s. JFETs may be general-purpose...
What differentiates this circuit from the previous one is the need for a much smaller current to...