If outputs (e5740-if) – TANDBERG E5714 User Manual
Page 246
Technical Specification
Page B-10
Instruction Manual: evolution 5000 E57xx DSNG and DENG Voyager Encoder
ST.TM.E10076.3
Table B.13: IF Monitor Output Specification (1U, E5714)
Item
Specification
Safety status:
SELV
Connector designation:
IF OUT MONITOR
Connector type:
BNC, female 75
W
This connector is normally dedicated to output
the IF monitoring feed to the Receiver.
Output impedance:
75
W
Return loss:
>20 dB, 49.75 < f < 90.25 MHz
Output power:
–20 dB
±2 dB referenced to main IF output (IF OUT MAIN)
B.3.2
IF Outputs (E5740-IF)
Table B.14: IF OUT MAIN Specification (E5740-IF)
Item
Specification
Safety status:
SELV
Connector type:
BNC female 75
W
Connector designation:
IF OUT MAIN
Output impedance:
75
W
Output power:
-20 dBm to +5 dBm in 0.1 dB steps
Power level stability:
± 0.5 dB
Return loss:
>20 dB, 50-180 MHz
Modulation format:
QPSK as per EN 300 421 (DVB-S)
8PSK and 16QAM as per EN 301 210 (DVB-DSNG) (customer options)
FEC rate:
1/2, 2/3, 3/4, 5/6 and 7/8 with QPSK
2/3, 5/6 and 8/9 with 8PSK
3/4, and 7/8 with 16QAM
Symbol rate:
1 to 48 Msymbol/s
Spectrum roll-off factor:
20%, 25%, 30%, 35% selectable
Spectrum sense:
Normal / inverted
Transmission modes:
Modulation on/off
Carrier on/off
Carrier frequency:
50-180 MHz, tuneable in 1 kHz steps
Carrier frequency error:
<
±1 kHz (all causes over 10 years)
Carrier ON/OFF ratio:
>60 dB
Carrier suppression:
>40 dB
Phase noise:
<
-66 dBc/Hz at 100 Hz offset
<
-76 dBc/Hz at 1 kHz offset
<
-86 dBc/Hz at 10 kHz offset
<
-96 dBc/Hz at 100 kHz offset
<
-120 dBc/Hz at 1 MHz offset and above
Spurious outputs (modulated
carrier):
<
-60 dBc/4 kHz over the frequency range 0 to 500 MHz but excluding the frequency
range of the wanted output signal (equal to
±1.06 ´ Symbol Rate about the carrier
frequency, as defined by the spectrum mask Figure A.1 in EN 300 421)
Spurious outputs (unmodulated
carrier):
<
-55 dBc, each component
Noise floor (N
0
/C):
<
-120 dBc/Hz
Main / monitor output isolation
(both directions):
>30 dB, 50-180 MHz