This DC motor control uses a power operational amplifier. We found it in December 1984 in the Radio Electronics magazine. The amplifier must be mounted on a heat sink and the maximum current is 1 A.
Found in documentation from the 1980s, this amplifier uses an integrated circuit from the time....
We obtained this circuit from a 1993 documentation. The circuit has 7 current ranges that are...
This circuit was found in an 80's General Electric documentation. The circuit uses uncommon...