This circuit is based on the TDA3810N. We found it in the March 1992 issue of Radio Electronics magazine. The circuit consists of an audio processor capable of working with two audio channels.
This circuit was found in a National Semiconductor manual that is now a Texas group company. The...
This switch or band selector for receivers was found in a Popular Electronics from the 1990s. The...
L1 is the secunday wound of a common power transformer with voltages between 6 and 12 V and...