The L1 coil is formed by 4 turns of wire 20 in the form of 0.5 to 0.6 cm without core. The circuit is from an 80's documentation. The range reaches a few tens of meters.
We obtained this circuit from a 1993 documentation. The circuit has 7 current ranges that are...
Although kinescopes are no longer used on monitors and televisions, the reader may need this...
Another of the many similar configurations we have in this section. This one is from a Radio...