Appendix C – Technical
Specifications
User Manual for AZ110 Broadcast Satellite Modulator with ASI interface
version 3.2
103
SHAPING THE FUTURE SATELLITE OF COMMUNICATIONS
Frame Length
•
DVB-S/DSNG 188 bytes;
•
DVB-S2 Short Frames 16200 bits;
•
DVB-S2 Normal Frames 64800.
Roll-of factor
•
20 % - 25 % - 35 %.
Output interfaces
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);
•
Spurious: better than -65 dBc/4 kHz @ +5 dBm level and > 256 kbaud.
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);
•
Spurious: better than -65 dBc/4 kHz @ -10 dBm level and > 256 kbaud.
IF-band (optional):
•
Connector:
-
BNC (F) - 75 ohms
•
Return loss:
-
50 ohms : > 14 dB;
-
75 ohms : > 20 dB.
•
Level -30/+5 dBm (± 3 dB);
•
Frequency 50 - 180 MHz (50 Hz steps);
•
Spurious: better than -65 dBc/4 kHz @ -10 dBm level and > 256 kbaud.
L-band+IF (optional)
•
L-band: -30/00dBm (+/-3dB) output level;
•
IF: fixed 70 or 140 MHz frequency:
-
-34/+1 dBm (+/- 3 dB) output level.
