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We found this circuit in the November 1992 issue of Radio Electronics magazine. The 30V power supply must be symmetrical and preamplification stages are included.
This circuit was found in an old Radio Electronics, but can still be assembled as the components are...
This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used...
This circuit for incandescent lamps was found in an American documentation from the 80s. The...