
AIMA-FT5S
Product User Manual
Pacific Broadband Networks
18 July 2014
Page 36 of 62
6.2.2 Sample RF load for 42 analog channels analog of RF load
Connect the RF load to the BC input of the FT5S transmitter. If the NC port is not used it is advised to
terminate the NC port with a 75
Ω terminator.
Option 1
Connect the RF load to the transmitter at a level of 17.8 dBmV (42 analog channels). See the example
calculation for a calculated RF input level (section 6.1.1: Example 2)
1.
Set the “
Input AGC Mode
” to “
ON
” and click “
Submit
” to apply all settings
2.
Set the “
Broadcast MGC
” field to 0 and click ”
Submit
” to apply all settings
Option 2
Connect the RF load to the transmitter at a level of 20 dBμV.
1.
Set the “
Input AGC Mode
” to “
OFF
” and click “
Submit
” to apply all settings
2.
Set the “
Broadcast MGC
” field to
-2.2
(17.8 dBμV – 20 dBμV) and click "
Submit
" to apply all
settings
6.2.3 Sample RF load of 50 analog channels + 13 QAM64 channels and 15
QAM256 channels
Connect RF to the BC input of the FT5S transmitter. If the BC port is not used it is advised to
terminate the NC port with a 75
Ω terminator.
Option 1
Connect the RF load to the transmitter at a level of 16.6 dBmV (50 analog channels + 13 QAM64
ch 15 QAM256 channels). See the sample calculation for a calculated RF input level (section
6.1.1: Example 3)
1.
Set the “
Input AGC Mode
” to “
OFF
” and click “
Submit
” to apply all settings
2.
Set the “
Broadcast MGC field
” to 0 and click ”
Submit
” to apply all settings
Option 2
Connect the RF load to t
he transmitter at a level of 15 dBμV.
1.
Set the “
Input AGC Mode
” to “
OFF
” and click “
Submit
” to apply all settings
2.
Set the “
Broadcast MGC
” field to 16.6 dBmV – 15 dBmV =
1.6
and click ”
Submit
” to
apply all settings