a) Anyone have experience to modify his transceiver's final to Class A mode as
FT-1000MP MK V?
I think if we haven't good enough driver, the external Power amplifier cann't
be have good 3rd IMD
performance, especially for tetrode amplifier.
b)I'm planing to build an antenna muti-coupler for my 20 receivers.( similar
ROHDE/SCHWARTZ NV-14T(http://bama.edebris.com/manuals/rohdeschwarz/nv14t/,
MF-HF range)But
R/S's design seems unmodern. I want to know anyone knows about hybrid-model or
MMIC for this application?the antenna multi-couple only have 0db power gain
, but with very good reverse isolation and very large dynamic range/3rd IMD
performance.
I find out some models, for example MHW591/592, but these model's gain are too
more(more than 35db). Any guys knows more information about the appropriate
Hybrid model/MMIC?
Thanks in advance!
73!Hsu
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