This circuit was suggested by National Semiconductor in one of its manuals. The LM108 integrated circuit, uncommon nowadays, can be replaced by an equivalent. The power supply must be symmetrical.
This circuit uses old components, some of which can still be found easily. The circuit is from an...
In short wave receivers or in the recovery of signals from scratched discs this circuit can be...
The operating voltage of this circuit is 18 V, and the source current is 3.5 A. The circuit is...