The presented circuit makes use of a common operational amplifier that must be powered by a symmetrical source. R resistors from 10k to 1M determine the gain and compression of the signal.
This charger was found in an old Motorola manual using an SCR from this company, which, however, can...
This circuit visually indicates that a high voltage is present in an outlet or other point. The...
This simple circuit of effects is interspersed between the instrument and the amplifier. It is...