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.
This is a higher current version of the previous circuit, obtained in recent English...
This analog tachometer can be used in cars with platinum or in robotic and automation applications to...
Found in American documentation, this amplifier stage has unit gain and a high input impedance. It...