This circuit was found in a 1980s documentation. It shows how to obtain a bistable with the 555 by directly driving two indicator LEDs.
This oscillator has its frequency controlled by crystal and its frequency can be between 100 kHz...
This circuit is from a 1978 operational amplifier manual. The power supply must be symmetrical, and the...
This useful benchtop power supply uses a single LM350 integrated circuit as a regulator. The...