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.
Line voltage compensation (CB8816E) This circuit for the alternating current line (AC line) was...
This circuit was obtained in a 1982 English magazine of 1982. This circuit has three external...
This circuit is based on the operational amplifier LM833 which is not a common component today. The...