This inverter circuit for small 4 W fluorescent lamps was found in the December 1996 issue of Electronics Now magazine. The 110 x 6 V transformer is with 50 or 100 mA.
This is the circuit of a turntable from the 1970s. We found it in a repair article in the December...
This circuit divides the grid 60 Hz frequency to obtain 20 Hz to drive mechanical watches used at...
This small audio amplifier uses an uncommon integrated circuit today. The circuit is from a...