Bird Technologies Group 6138X Manual De Usuario
TX RX Systems Inc. Manual 7-9485-1.9.1 10/26/17 Page 18
Filter specifics are selected from a drop down list
that includes Custom, 12.5 KHz, 25 KHz, 12.5 KHz
Low Delay, and XML File. Four parameters are
customer adjustable including Occupied Band-
width, Adjacent Channel Offset, Passband Ripple,
and Adjacent Channel Rejection. Delay time is cal-
culated by the software. The four adjustable
parameters are setup using the Design Filter tool,
see the following section of this manual for details.
that includes Custom, 12.5 KHz, 25 KHz, 12.5 KHz
Low Delay, and XML File. Four parameters are
customer adjustable including Occupied Band-
width, Adjacent Channel Offset, Passband Ripple,
and Adjacent Channel Rejection. Delay time is cal-
culated by the software. The four adjustable
parameters are setup using the Design Filter tool,
see the following section of this manual for details.
If a filter passband is selected that
exceeds the Class A limit of 75 KHz
and Class B operation is not selected
(see discussion in System tab section
of this manual) then a warning mes-
sage will appear as shown in Figure
11. You must set the booster to the
Class B mode of operation if you have
any filter with a passband greater than
75 KHz.
exceeds the Class A limit of 75 KHz
and Class B operation is not selected
(see discussion in System tab section
of this manual) then a warning mes-
sage will appear as shown in Figure
11. You must set the booster to the
Class B mode of operation if you have
any filter with a passband greater than
75 KHz.
Design Button
When the Design Filter button is pressed a custom
design template will be displayed as shown in Fig-
ure 12. Boxes for the four required filter parameters
mentioned earlier are shown along with a graphical
representation of the filter’s response curve. Enter
into the four boxes the parameters you want. Click
on the Estimate button at the bottom of the screen
design template will be displayed as shown in Fig-
ure 12. Boxes for the four required filter parameters
mentioned earlier are shown along with a graphical
representation of the filter’s response curve. Enter
into the four boxes the parameters you want. Click
on the Estimate button at the bottom of the screen
and the software will calculate the Delay time for
you. Press the Design button to design the filter.
The rejection scale of the display can be changed
by making a selection from the “maximum plot
rejection” drop down list. Choices include -10, -50,
and -100 dB scale. When the display is to your sat-
isfaction and does not violate any parameter
ranges press the Save and Close button to exit
back to the filter detail screen then load the design
into the selected filter by pressing the Submit but-
ton on the filter detail page.
you. Press the Design button to design the filter.
The rejection scale of the display can be changed
by making a selection from the “maximum plot
rejection” drop down list. Choices include -10, -50,
and -100 dB scale. When the display is to your sat-
isfaction and does not violate any parameter
ranges press the Save and Close button to exit
back to the filter detail screen then load the design
into the selected filter by pressing the Submit but-
ton on the filter detail page.
Status Area
The status area of the Filter Detail page uses sta-
tus indicators to let the user know whether the
channel is enabled, if the test signal is on, and if
the carrier squelch is on. When the status indicator
tus indicators to let the user know whether the
channel is enabled, if the test signal is on, and if
the carrier squelch is on. When the status indicator
NOTE
Figure 10: Filter Detail Tab.
Figure 11: Invalid filter settings warning message.