The power supply for this circuit must be symmetrical at 12 + 12 V and the load must be 8 ohms. The circuit is from the 1982 SGS Linear Integrated Circuits Manual.
In the figure we have a simple signal tracer circuit to be coupled to the volume control of an AM...
This circuit was found in documentation from the 90s, using components from that time. The...
This circuit, obtained from old documentation, allows the recovery of sulfated batteries. The...