Comtech EF Data MDX420 SkyWire Manual - Manual (Page 99)

MDX420 SkyWire™ Satellite Network Gateway Technical Specifications
MN-MDX420 Revision 6 8–1
Chapter 8. Technical
Specifications
SkyWire™ MDX420 Performance
Acquisition
Modulation User Data Network Typical
Performance & TPC
FEC
Rate Range Threshold BER 1E-8
Enhanced QPSK .710 328k - 12.7m 2.9dB 3.5dB
Enhanced QPSK .793 366k - 14.2m 3.3dB 3.8dB
Standard QPSK .793 378k - 14.7m 3.4dB 4.4dB
Enhanced 8PSK .793 537k - 20.9m 6.5dB 7.6dB
Standard 8PSK .793 555k - 21.6m 7.8dB 9.0dB
Modulator
Modulation: QPSK (8PSK Optional)
L-Band Tuning Range: 950 to 1750 MHz in 1 Hz Steps
Impedance: 50 Ohm
Connector: N-Type (50 Ohm)
Return Loss: 10 dB Minimum
Output Power: 0 to -25 dBm
Output Accuracy: ±1.0 dB Over Frequency and Temperature
Spurious: -55 dBc In-Band
-45 dBc Out-of-Band
Harmonics: -45 dBc
On/Off Power Ratio: >60 dB
Symbol Rate Range .256 to 10 Msps in 1 sps steps
FEC: Turbo Product Code .710, .793
Internal Stability: ±280 ppB
±50 ppB (Optional)
Optional BUC Power: 3.3 Amps @ 24 V Maximum
2.8 Amps @ 48 V Maximum
BUC Reference: 10 MHz, +3 dBm ± 3 dB