This circuit was obtained from an American documentation from the 1980s. The T1 triggering transformer must provide 250 V pulses for the lamp to trigger.
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...