We found this circuit in an EDN from the 90s. The circuit is a voltage quadruplicator using operating equipment of the time. The output current is low.
We found this circuit in a 1967 Electronics World. It analyzes a transistor by determining its...
This circuit monitors the output level of an amplifier. The circuit is set to R4 and can be...
Originally designed for an incandescent lamp, this flasher or pulser can be adapted to operate with...