This CMOS circuit for LED displays is from a Radio Electronics magazine from February 1989. The circuit has an enable pulse for storing the value shown on the display.
This 2005 circuit from a Linear Technology manual makes use of the LTC610HV and an optical coupler that...
This digital mixer uses CMOS integrated circuits. The circuit was published by us in a magazine...
This circuit was found in Motorola documentation from the 80's. The MOSFET admits equivalent...