Found in a 1965 Motorola documentation, this circuit uses a neon lamp as a trigger element. The SCR admits equivalents and the lamp must be incandescent.
We find this circuit in a 1970 publication. Transistors can be replaced by current equivalents and LDR is...
This stage was used in old audio ampliiers and radios from the 1950s and 1960s. It uses one of the...
January 2017 - Texas Instruments' new TPS54200 integrated circuit for excitation of LEDs with a...