Motorola DSR-4530, Руководство оператора, Страница: 69 / 92

DSR-4530 63
5
Downlink/L-band Frequency
Conversion Tables
Note: A distributor or programmer can provide the latest C-band and Ku-band frequency plans at
purchase time.
If desired, the following formulas have been provided to help the user perform calculations for
both C-band and Ku-band transponders or a new satellite, as required.
Table 5-1: Calculation for C-Band Transponders
Formula for C-band Frequency
Example calculation if downlink
frequency is 3,740 MHz
5,150 MHz <minus> Frequency Downlink (DL) <equals>
Frequency (C-band)
5,150 MHz
-3,740 MHz
1,410 MHz
Table 5-2: Calculation for Ku-Band Transponders
Formula for Ku-band Frequency
Example calculation if downlink
frequency is 12,019 MHz
Frequency Downlink (DL) <minus> 10,750 MHz <equals>
Frequency (Ku-band) 12,019 MHz
-10,750 MHz
1,269 MHz