Found in Motorola's 1968 documentation, this control appears elsewhere in this section. The bridge diodes must have current and voltage according to the motor used as load.
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...