This VCO with discrete components was found documentation from the 1980s. The central frequency with the indicated components is 8 kHz. A BC548 can be used for Q1.
This circuit can be used in traffic alarm systems. The relay trips when the light falling on the...
This filter was found in documentation from the 90s. The cutoff frequency is 2900 Hz. Changes can be...
June 2017 - New Honeywell MT MICROSWITCH Series can be ordered from Mouser Electronics for...