This circuit is part of an integrated circuit tester published in an article in Radio Electronics magazine in September 1985. The circuit is powered by a 9 to 12 V source.
This circuit uses a symmetrical power supply, and the motor is for the voltage indicated in the...
We found this circuit in an old documentation, but it is still current. General purpose...
The circuit exemplified in figure 8 is suggested by National Semiconductor and is based on an...