Steve --
On 2/21/2018 3:41 PM, Stephen Hicks, N5AC wrote:
If I understand correctly, the process will be for the fox to transmit
multiple carriers in the 300-900Hz range. If this is the case, have
there been any experiments run that verify that typical PA linearity
will be acceptable? If not, is there a need to for a more linear PA on
the fox side (thinking of IMD)?
Thanks,
Steve
Yes, we have made extensive tests of the multi-slot signals that can be
generated by Fox.
Have you read the FT8 DXpedition Mode User Guide? It's available here:
http://physics.princeton.edu/pulsar/k1jt/FT8_DXpedition_Mode.pdf
See especially the "Important Note for Fox Operators", starting at the
bottom of page 8.
Linearity typical of PAs used for SSB is perfectly adequate. As always,
proper adjustment of drive level is important.
-- 73, Joe, K1JT
Stephen Hicks, N5AC
VP Engineering
FlexRadio Systems™
4616 W Howard Ln Ste 1-150
Austin, TX 78728
Phone: 512-535-4713 x205
Email: st...@flexradio.com <mailto:st...@flexradio.com>
Web: www.flexradio.com <http://www.flexradio.com/>
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