This circuit was found in a British documentation from 1969. It can be implemented with modern transistors. The pass band is 6 MHz.
The transistors of this circuit may be general purpose and the power supply comes from the TTL...
January 2017 - Through Mouser Electronics Texas Instruments is launching its new zero-drift...
This four-phase stepper motor control uses a ST6982H IC. The maximum output current avaiable is...