We found this touch control on a Popular Electronics from 1970. The circuit makes use of an integrated of the time. It can be adapted to use modern equivalent components.
This circuit was found in a 1977 documentation. The gain is 3 dB and instead of the original...
This DC-DC converter was found in old RCA documentation. The circuit operates at 15 kHz. The...
March 2017 - Texas Instruments is already making available through Mouser Electronics the LP5907 an...