The circuit presented was found in the Linear Applications Handbook of the National Semiconductor of 1994. It is based on a DAC1020 and operational not common today.
In the figure we have the way to use a shift register to divide the frequency of a signal by 9....
One of the application circuits that we gave at the beginning of this sequence was a bistable...
The maximum current of this circuit can reach 500 mA with BD136 and 1 A with TIP32. The circuit...