Newtec EL170 - Page 193

Appendix C – Technical
Specifications
User Manual for EL170/970/470 IP Satellite Modulator/
Demodulator/Modem
version 4.2
192
SHAPING THE FUTURE OF SATELLITE COMMUNICATIONS
Modulator Interface
L-band output (default):
• Connector SMA (F), 50 ohms;
• Return loss > 14 dB • Level -35/+5 dBm (+/- 2dB);
• Frequency 950 - 1750 MHz (50 Hz steps;
• Extended L-band output (optional);
• Connector SMA (F), 50 ohms;
• Return loss > 14 dB;
• Level -35/+5 dBm (+/- 2dB);
• Frequency 950 - 2150 MHz (50 Hz steps).
IF-band (optional):
• Connector BNC (F) - 75 ohms (intermateable with 50 ohms);
• Return loss:
- 50 ohms : > 14 dB;
- 75 ohms : > 20 dB;
• Level -30/+5 dBm (± 3 dB);
• Frequency 50 - 180 MHz (50 Hz steps).
Roll-off factor
• 20 % - 25 % - 35 %.
Modulator Interface
L-band output (default):
• Connector SMA (F), 50 ohms;
• Return loss > 14 dB • Level -35/+5 dBm (+/- 2dB);
• Frequency 950 - 1750 MHz (50 Hz steps.
Extended L-band output (optional)
• Connector SMA (F), 50 ohms;
• Return loss > 14 dB;
• Level -35/+5 dBm (+/- 2dB);
• Frequency 950 - 2150 MHz (50 Hz steps).
IF-band (optional):
• Connector BNC (F) - 75 ohms (intermateable with 50 ohms);
• Return loss
- 50 ohms : > 14 dB;
- 75 ohms : > 20 dB;
• Level -30/+5 dBm (± 3 dB);
• Frequency 50 - 180 MHz (50 Hz steps).