OV 75 M Dual QAM transmodulator
- Two module slots for front end modules
- Integrated stuffing unit for constant output data rate
- Transport Stream (SI, NIT) handling
- Output configuration loop/single switchable
- Channel A/B selectable
Input
refer to input modules
Output
Frequency range
45-862 MHz
Tuning steps
250 kHz
Bandwidth
depends on QAM symbol rate
Channel offset A to B
4-8 MHz
1 MHz
Output level
loop
16-128 QAM
64-74 dBµV
256 QAM
70-80 dBµV
single
74-84 dBµV
80-90 dBµV
Output level att.
10 dB
1 dB
Type of modulation
16-, 32-, 64-, 128-, 256-QAM
Symbol rate
1,0-7,499 MS/s
MER @256 QAM
typ. 42 dB
Filtering
Nyquist √ cos
Roll off
15 %
Interleaving
Conv; I=12
FEC outer code
Reed Solomon (204, 188,8)
General data
Connectors
RF input
F >
Operating temperature
-20°C...+50°C 20°C...+50°C>
Storage temperature
-25°C...+75°C 25°C...+75°C>
Max. humidity, non condensing
95% 5%>
EMC
CE, Class A
Packing unit
1 piece, 5.2 dm³, 2.1 kg
Order code
Dual QAM+NIT
XX21
Dual QAM without NIT
XX31
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