Environmental -4, Physical -4, 9 options -4 – Comtech EF Data DD240XR Rev Е User Manual
Page 110: 10 ber performance (dvb-s) -4
Technical Specifications
DD240XR High-Speed Digital Demodulator
7-4
MN-DD240XR – Rev. E
7.7 Environmental
Prime Power
100 to 240 VAC, 50 to 60 Hz, 65 Watts Maximum
Operating Temperature:
0 to 50
o
C
Operating Humidity:
Up to 95%, Non-condensing
Storage Temperature:
-20 to 70
o
C.
Storage Humidity:
Up to 99%, Non-condensing
7.8 Physical
Weight:
7 lb. (3.2 Kg)
Size:
19” W x 17” D x 1.75" H
(48.3 x 43.2 x 4.45 cm)
7.9 Options
50
Ω IF Output (on 70/140 MHz IF)
48 VDC Operation
7.10 BER Performance (DVB-S)
Specified IF back-to-back Eb/No Performance:
QPSK
8PSK
16QAM
BER
1/2
2/3
3/4
5/6
7/8
2/3
5/6
8/9
3/4
7/8
1.00 x 10
-07
(< 20 MSPS)
3.9
4.4
4.9
5.4
5.8
6.3
8.3
8.8
8.4
10.1
1.00 x 10
-07
(> 20 MSPS)
3.9
4.5
5.1
5.8
6.4
6.5
8.8
9.8
8.6
11.1
1.00 x 10
-10
(< 20 MSPS)
4.5
5.0
5.5
6.0
6.4
6.9
8.9
9.4
9.0
10.7
1.00 x 10
-10
(> 20 MSPS)
4.5
5.1
5.7
6.4
7.0
7.1
9.4
10.4
9.2
11.7
Typical IF back-to back Eb/No Performance
QPSK
8PSK
16QAM
BER
1/2
2/3
3/4
5/6
7/8
2/3
5/6
8/9
3/4
7/8
1.00 x 10
-07
(< 20 MSPS)
3.1
3.8
4.2
4.6
5.1
5.7
7.5
8.4
7.7
8.7
1.00 x 10
-07
(> 20 MSPS)
3.1
4.0
4.3
5.0
5.3
5.7
7.6
9.0
8.0
9.0