Relation:
a+ (b x c) = a x (b + c)
a + b x c = (a +b) x (a + c)
We found this circuit in an American 1980s documentation. The transistors can be equivalent as BC548...
Figure 1 shows a hal-wave voltage doubler operating with the Power-supply voltage. Output current...
This preamplifier circuit for turntable cartridges was found in the March 1994 issue of...
