We found this circuit in an old documentation. It can be elaborated based on modern components. The double transistor can be replaced by a matched pair.
This circuit is ideal for recovering vinyl media with a linear response from the RIAA curve of the...
This circuit that generates a special sound was found in a Popular Electronics from the 90s. The...
Based on Radio Shack 276-137, this circuit was found in the December 1995 issue of Electronics Now magazine....