Based on the Linear Technology LTC2054, this -48 V circuit was found in a 2005 manual. The circuit is powered with 5 V and can be used as a shield.
This circuit was found in a 90s Popular Electronics. It can be used to control a triac from the...
Originally designed for an incandescent lamp, this flasher or pulser can be adapted to operate with...
This circuit found in Popular Electronics from July 1974 consists of an oscillator that sends its...