Specifications - Comtech EF Data SDM-309B Installation And Operation Manual

Theory of Operation

5.3.2 Specifications

Demodulation Type
Frequency Range
Frequency Select Method
Frequency Step Size
Channel Spacing
Input Level Desired Carrier
Input Overload
Input Impedance
Input Return Loss
Filtering
Image Rejection
Symbol Rate Range
I/O Connector
5-5–16
QPSK
50 to 90 MHz or 100 to 180 MHz
Synthesized
2.5 KHz
.7 Times the Data Rate
Divided by the Encoding Rate.
-55 to -30 dBm
0 dBm max
75 W (50 Optional)
20 dB minimum
Nyquist, 8 pole, 1 of 4 selectable
40 dB minimum
9.1 to 3152 Kb/s
DIN - 96 pin
SDM-309B Satellite Modem
MN/U-SDM309B Rev. #