micro
HAM ©
2016
All rights reserved
•
Attributes
This list,
Generate names
and
Generate LEDs
boxes have no function for this Single Antenna RF box
as well as whole
Switching
and
Buttons
tabs. They will be described for
Vertical Array
antenna.
Rules
Rules tab specifies frequency range of
the antenna's R port along with two
another settings.
IMPORTANT:
You should enter the correct
frequency ranges of the antenna when
the antenna is added to the list. Much of
the internal processing is based on
frequency; an incorrect or too broad
frequency range can reduce the number
of available options for each band.
Frequency ranges can
be quite complex,
including separate
frequency ranges for TX and RX Only. When a frequency range is specified with
TX
allowed
box checked, the range is considered as valid for both RX and TX antenna
path. If TX allowed is not checked, range is automatically considered as RX only and
antenna path will not be offered among others TX antenna paths in this range. The
picture above shows the frequency definition for 40/20/15/10m multiband antenna
with wider, “RX Only” segments around WARC bands. TX ranges are set exactly.
Include to selection
is enabled by default for all antennas. When is enabled, an antenna is automatically
added as a final antenna selection for other processing and as one of the antenna choices available for manual
selection with the antenna selection buttons on SMD.
Fit mask
is an advanced parameter, which will be described later.
Show frequency constraints
box automatically expands the frequency ranges for all R ports when checked.
When they are collapsed, ranges can be individually expanded by tree
+
control.
Additional Control Boxes
Optional control boxes can be added to any Single Antenna RF box (switch) using the
Add Control
button.
These additional controls can be of any type, DATA, FRQ, MAN or SEQ and they can be assigned to any single
R port using local I/O ports (local serial port or local relay units) or I/O ports located at uLINK module. Typical use
of additional control boxes could be:
SEQ
type controls relay outputs according to T-R sequence and allows bypassing preamplifier located at the
antenna during transmission.
FRQ
type controls relay outputs based on frequency and allows switching the matching/tuning networks of an
antenna. A typical example is to switch between CW/SSB segments on 80m antennas.
MAN
type controls relay outputs by manual action through PATH properties button. This type of control can be
used to change the state of an output (on/off) without effecting other parameters of the antenna path.
DATA
(serial) type controls an R port according to a specific protocol. This allows interfacing an external
antenna controller with SMD and would typically be used with frequency agile antennas like those by SteppIR or
UltraBeam.
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