We found this circuit in a 1994 National Semiconductor technical documentation. The circuit can be adapted to operate with more modern equivalent operational amplifiers.
The output voltage is adjusted by the trimpot. The power transistor mist be mounted on a heatsink. The 3.9...
Found in an old Popular Electronics this circuit causes a bicolor LED to alternate the colors of...
In a voltage follower the gain is unitary. Input impedance is too high and output impedance too low....