We found this circuit in an 80's manual. The same configuration can be adapted to make use of modern operational amplifiers. The power supply is symmetrical.
In this circuit the output current is limited by R3. For a 300 mA current, R3 must have 12 Ω. For...
November 2016 - Bourns RLB1112V4 series radial inductors are available for immediate supply from...
This 10-step voltage indicator was obtained from a 1980s publication. The circuit is based on an...