The circuit presented is based on the National Semiconductor's LM3524, a component not common today. The circuit is from the 1994 Linear Applications Handbook.
We found this logical configuration in a documentation from the 1970s. It consists of a...
This circuit uses a dedicated Philips integrated, which consists of a stepper motor control from 3...
This circuit trips with negative pulses and the value of C depends on its intensity. C1 determines the...