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The last item to install is the T1 air wound transformer. We provide a #10-24 screw to act as a winding
form for the coil. It is mounted about a half inch above the surface of the pcb to allow some adjustment
of the winding distance between the secondary and primary. Make two as shown below.
[ ]
Wind the Primary, (1 1/2 turns) on the supplied screw into the grooves of the screw thread as
shown below, with the 22awg magnet wire.
[ ]
Wind the Secondary, (4 1/2 turns) on the supplied screw into the grooves of the screw thread as
shown below, with the 22awg magnet wire.
[ ]
Trim both primary and secondary to 9/16" length and tin 1/8" of the lead ends as shown below.
Page 4 of 7
airband_111719.pdf
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