MillIamps to frequency is not a valid comparison or conversion.
The modern LNBF as we know and use is simply an electronic device which combines one or more receive antennas and a "mixer" which converts the received signals to a standard frequency range of 950-2150 Mhz. This is the frequency range which our modern satellite receivers will tune through to find the various signals. The LNBF accomplishes this by essentially reducing the frequency of the signals it receives by the LOF value (11700 MHz - 10750 MHz = 950 MHz). This is the action of the "mixer" part of the LNBF.
The receiver simply adds the LOF value you provide in the settings to the frequency it found a transponder at in order to display the actual transponder frequency on your screen. The LOF values of the LNBF are fixed values and cannot be changed by the receiver--you can't enter 10900MHz in your receiver and force the LNBF to use that as the LOF. If you do, the displayed transponder frequencies will be incorrect (11700-10750+10900=11850). The exception here is the universal Ku LNBFs: your receiver will the control the use of one of two fixed LOF values (10600MHzor 10750MHz) by the presence or absence of the 22KHz control signal sent from the sat receiver to the LNBF.
In short: Choose the LOF settings in the sat receiver which match those of the LNBF you are using.
I know I'm stating the obvious here for 95% of us
and that it's been discussed many times before in the forums over the years. Hopefully it will be of some use to any newcomers to FTA who happen by (perhaps by googling for RasPi projects).
Keep up the great work, Fred and guys! I've been watching this thread with great interest.
The modern LNBF as we know and use is simply an electronic device which combines one or more receive antennas and a "mixer" which converts the received signals to a standard frequency range of 950-2150 Mhz. This is the frequency range which our modern satellite receivers will tune through to find the various signals. The LNBF accomplishes this by essentially reducing the frequency of the signals it receives by the LOF value (11700 MHz - 10750 MHz = 950 MHz). This is the action of the "mixer" part of the LNBF.
The receiver simply adds the LOF value you provide in the settings to the frequency it found a transponder at in order to display the actual transponder frequency on your screen. The LOF values of the LNBF are fixed values and cannot be changed by the receiver--you can't enter 10900MHz in your receiver and force the LNBF to use that as the LOF. If you do, the displayed transponder frequencies will be incorrect (11700-10750+10900=11850). The exception here is the universal Ku LNBFs: your receiver will the control the use of one of two fixed LOF values (10600MHzor 10750MHz) by the presence or absence of the 22KHz control signal sent from the sat receiver to the LNBF.
In short: Choose the LOF settings in the sat receiver which match those of the LNBF you are using.
I know I'm stating the obvious here for 95% of us

Keep up the great work, Fred and guys! I've been watching this thread with great interest.