TANDBERG Alteia Instruction Manual page 112

Professional receivers and decoders
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Technical Specification
B.3.3
Satellite Receivers QPSK/BPSK
This table applies to all M2/PSR/9xx models
Table B.15: PSR Satellite Receiver Input Specification: QPSK/BPSK
Parameter
Safety status
Number of inputs
Isolation between inputs
Connector type
Input impedance
Return loss
Signal type
Tuning range
Frequency capture range
Tuning step
Receive spectrum sense
Input carrier power level
Total L-band input power
3
order intercept point
rd
Convolutional FEC rates
Symbol rate range
Symbol rate step
Symbol rate lock range
Oscillator power at the L-band input
Image rejection ratio
Surge protection
7
Only the active input is powered.
8
Where high isolation between L-band inputs to the receiver is required, inputs 1-3, 2-3, 1-4 and 2-4 should be used.
9
This specification relates to, a - the isolation across inputs (loop-through isolation) and, b – isolation from the
non-selected to the selected input measured at the demodulator input.
10
Applies to the selected input. Non-selected inputs may be reflective.
11
EN 300 421: Framing structure, channel coding and modulation for 11/12 GHz satellite services.
12
The displayed frequency is either L-band or SHF dependent on the LNB frequency and the SHF carrier frequency set
in the satellite receiver input menu.
Page B-10
Value
SELV
2 or 4 (See Chapter 2, Section 2.6)
7
#1 - #2, #3 - #4: 25 dB typical
8
#1 - #3, #2 - #3, #1 - #4, #2 - #4: 80 dB min
(where inputs fitted)
F-type, female 75 W
75 W
> 7 dB, 950 < f < 2,150 MHz (active input)
11
QPSK per EN 300 421
12
950 to 2,150 MHz
Programmable up to ± 5 MHz
100 kHz
Normal and inverted (automatic selection)
-25 to –72 dBm (1.0 £ Rs < 5.0 MSymbol/s)
–25 to –65 dBm (5.0 £ Rs < 30.0 MSymbol/s)
–25 to –65 + 0.34 (Rs – 30.0) dBm (30.0 £ Rs < 44.5 MSymbol/s)
< -10 dBm
+5 dBm typical at wanted carrier input power levels –25 dBm
(Wideband – for signals outside ± 200 MHz of wanted carrier)
1/2, 2/3, 3/4, 5/6, 7/8
1.0 to 44.5 MSymbol/s
100 Symbol/s
± 120 ppm min
< -55 dBm, 40 < f < 2,150 MHz
(active input)
27 dB min for a carrier power level of -25 dBm
30 dB min for a carrier power level of -65 dBm
(f
4.5 kV typical
Instruction Manual: Alteia and Alteia plus Professional Receivers and Decoders
9
+ 959 MHz (nominal))
c
10
ST.TM.E9200.8

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