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Axis Series – RX User Guide
Software v2.0 and above
No
Name
1+6
Presets
2+7
LO Frequency
(MHz)
3+8
LO Side
4+9
BDC Power
5+10 BDC Voltage
Revision 2.5
February 2015
Options
Notes
Select Manual mode, means you will have
Manual mode
to type in the LO Frequency and LO Side in
the next two fields yourself.
Check the LO frequency on your down
converter to see which model you have.
1720 or any valid
All AXRX1 receiver units use down
down converter
converters to lower the frequency from
frequency.
microwave (L, S and C-Band) to an
Intermediate Frequency (IF) between 51
and 858 MHz that the on-board tuners in
the receivers can use.
The LO frequency of the BDC selected for
band use, is affixed on the BDC housing.
Low or High
We need to set which side (of the expected
incoming frequency) the LO frequency will
be.
In the example the incoming frequency to
receive is in S-Band, 2.0315 GHz to 2.492
GHz. A down converter (BDC) who's LO
Frequency is 1720MHz was selected. Now,
1720MHz is
LO side to be Low.
On or Off
The down converters up on the mast need
power. We send this up the IF line. We call
it BDC power and here is where you turn it
on.
BDC=Block Down Converter.
You may want to turn BDC power off if you
are using a third party down converter that
has its own power supply for example.
9V or 12V
BDC voltage is normally set to 12V
User Guide – Ver. 2.5
lower
than 2.25GHz, so set the
Page 6-65
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