This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of motors up to about 5 A. It must be equipped with a heat sink.
This circuit shows how to use the 4007 MOSFETs in an amplifier stage. We found it in an...
Standardized Software API and Flexible Device Control Methods Allow Customers to Focus on...
This source draws a fixed constant current of 1 mA using a Norton operational amplifier. Other...