This interesting circuit of the 50s uses a fluorescent lamp to obtain a stroboscope useful for the rotation of motors. The circuit uses a power valve to control the 10W fluorescent lamp.
The LM143 integrated circuit is a high voltage operational amplifier from National Semiconductor that is...
This power supply can provide 10 A currents. Its regulation is made by 7812 integrated circuit. The...
We found this circuit in the November 1992 Radio Electronics magazine. It works with both...