Newtec Proprietary
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R3.2_v1.0
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Feature Descriptions
MDM9000 Satellite Modem
16.6.16.1 Direct Spectrum
Input Frequency = RF Frequency - LO Frequency
For example:
Note, the data used in this example is taken from a standard LNB.
• When using a Ku-band LNB with LO = 10 GHz and a receive band of 10.95 to 11.80 GHz, the
resulting L-band frequency (noted as the demod's "Input Frequency") will be in the range of 11.8
GHz - 10.0 GHz = 1800 MHz and 10.95 - 10.0 GHz = 950 MHz
In this case the Input Frequency = RF Frequency - LO Frequency and the spectrum will be direct
(because the LO is lower in frequency as the received frequency).
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