This PUT (Unijunction Programmable Transistor) configuration was found in an 80s ON Semiconductor manual. The circuit has its frequency determined by R1 and C1 and capacitor C4 must be chosen according to the lamp characteristics for switching.
This PUT (Unijunction Programmable Transistor) configuration was found in an 80s ON Semiconductor manual. The circuit has its frequency determined by R1 and C1 and capacitor C4 must be chosen according to the lamp characteristics for switching.