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73 Amateur Radio - Free and Open Source Software
73 Amateur Radio - Free and Open Source Software
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to the PA, giving different power outputs. A<br />
IkO preset in se ries with a 4700 fixed resislor<br />
will g ive a variable output fro m about 200<br />
mW to about 1.5 Watts . This is useful for<br />
points in co ntest operating .<br />
Fit a 5(X) rnA fuse in the 12 volt supply<br />
lead, especially if you want to use a car battery-cand<br />
a diode to prevent reverse polarity<br />
accidents.<br />
Su~~es ted Coil Windings<br />
These notes are based on another 80 meier<br />
rig Jhave built, using some ofthe information<br />
in the J. Young article. A grid d ip oscillator<br />
(GOO) is useful for tuning the coils 10 reso<br />
1U0C
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