For the 1 MHz frequency, the pass band of this filter is only 120 Hz wide. The filter is suitable for telecom applications and its impedance is 600 ohms.
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...