R1 may be 10k and R2 100k. The transistor can be the BC548 and instead of the small lamp we can use a series LED with a 1k resistor. D1 is germanium and C1 is 10 nF. C2 can be 47 nF.
This circuit can control the speed of Motors up to 2 A and voltages in the range between 3 and 12...
Toshibas IC Brushless Motor Drivers Toshiba offers through Mouser Electronics a broad range of...
This operational filter configuration was obtained in a 1980s publication. The calculation is made by the...