We found this circuit in the October 1978 issue of Radio Electronics magazine. The magazine article describes its assembly. The circuit is a 6-digit circuit using components from the time.
This two-phase stepper motor circuit was found in an old documentation using an operational amplifier...
This circuit is suggested by National Semiconductor and with two operational amplifiers an LM833...
This circuit is from the September 1985 issue of Radio Electronics magazine. The circuit has an...