In a September 1992 Radio Electronics article, we found this basic 555 circuit used to generate fixed times. Capacitor C1 and resistor R1 determine the time. The circuit drives an LED.
This VCO with a common operational amplifier was found in an old American documentation. The...
This circuit is from a Radio Electronics magazine from May 1989. The power supply must be...
August 2017 - Mouser Electronics is making STMicroelectronics' Analog and Digital MEMs available in a...