Newtec MDM9000 - Maximum S2 Ext MODCOD; External Converter

Newtec Proprietary
Confidentiality: Unrestricted
R3.2_v1.0
173/387
Feature Descriptions
MDM9000 Satellite Modem
16.1.15.2 Maximum S2 Ext MODCOD
Select the appropriate maximum S2 Ext MODCOD, to get an optimal configuration when non linear
predistortion is enabled in combination with ACM.
16.1.16 External Converter
MDM9000 >> Modulator >> External Convertor
» Select Enable On
When enabled, it is possible to configure the transmit frequency (RF Frequency) in function of the
LO Frequency of the BUC and the output frequency defined on the modulator.
In the following example the output frequency is set to:
Please check the specs of the external converter to determine LO (Local Oscillator)
Frequency.
The following calculations are valid:
Direct Spectrum
RF Frequency = LO Frequency + Output Frequency
Inverted Spectrum
RF Frequency = LO Frequency - Output Frequency