Found in an Electronics World of 1968, this circuit is indicated for applications in photography making the control of a camera aperture. The components are from the time.
Found in Elektor Electronics from the 90s, this circuit produces the tone of 1 750 Hz for calling VHF...
Maxim MAX20056B 6 Channel High Brightness LED Controller Maxim Integrated makes available through...
This 20W amplifier was found in 283 circuits from the 90s. The MOSFET admits equivalents. The...