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Input
1. SAT-IF input “SAT IF
e
”:
Signal type
: DVB-S QPSK signal
(source: LNB), acc. to EN300421
Impedance
: 50 ohm
Frequency range
: 950 ... 2150 MHz
Tuning increment
: 0.1 MHz
Level
1 ... 4 MSym/s
: -60 ... -25 dBm
4 ... 45 MSym/s
: -65 ... -25 dBm
Return loss
:
≥
8 dB
Decoding
: acc. to DVB Standard ETS 300421
Output symbol rate
: 1 ... 45 MSym/s (Device stauts
≥
G2)
: 4 ... 45 MSym/s (Device status G1)
Smallest adjustment step
: 0.1 kSym/s
AFC capture range
1 MSym/s
≤
Symbol rate < 2 MSym/s:
± 0,5 MHz
2 MSym/s
≤
Symbol rate < 4 MSym/s:
± 1,0 MHz
4 MSym/s
≤
Symbol rate < 8 MSym/s:
±
2,0 MHz
8 MSym/s
≤
Symbol rate < 16 MSym/s:
± 4,0 MHz
16 MSym/s
≤
Symbol rate:
± 8,0 MHz
AFC lock in
: ± 8 MHz
Oszillator interference level
:
≤
-63 dBm
Remote supply voltage LNC
vertical
: 12,5 ... 14,0 V / max. 500 mA
horizontal
: 17,2 ... 18,8 V / max. 500 mA
22kHz control
: f = 20 ... 24 kHz; Zi 15 Ohm;
Upp = 500 ... 800 mV
Reference frequency input “Reference frequency
e
“
Frequency
: 10 MHz
Signal level
: 1 ... 5 Vpp
Impedance
: 50 Ohm
Output
Data outputs “ETI 1
a
”, “ETI 2
a
”
Standard
: CCITT-G.703
Impedance
: 75 ohm unbalanced
Data rate
: 2,048 Mbit/s +/- 50 ppm
Amplitude
: 2,37 Vpp
Line code
: HDB3
Appendix
QPE 8600
QPSK-receiver
6 - 3