Digital Eng Receivers; Models; If Input Specification; Net Input Data Rates - TANDBERG Alteia Instruction Manual

Technical Specification
B.3.6

Digital ENG Receivers

Models

This section applies to the M2/PTRE/94x[C][CVL] models.

IF Input Specification

Table B.22: Digital ENG Receiver IF Input Specifications: M2/PTRE/94x[C][CVL]
Item
Modulation types
Guard intervals
Inner code rates
FFT size
Number of transmitted carriers
Active data carriers in each OFDM symbol
Signal format
Input frequency
Input impedance
Return loss
Bit-rate
Input carrier power (P
Noise figure
Oscillator power at input connector
Adjacent Channel Interference

Net Input Data Rates

The Digital ENG Receiver operates with useful bit-rates (Mbit/s) for all
combinations of guard interval, constellation and code rate for
non-hierarchical systems, as shown in Table B.20.
B.3.7

Frame Sync Connector (Alteia plus Only)

Frame Sync is a purchasable option (M2/PRO/SYNC).
Table B.23: Frame Sync Connector (Alteia plus Only)
Item
Connector type
Connector designation
Connection
Impedance
NOTES...
1. Software versions 2.1 and 2.2: This connector is not used.
2. Alteia models – Connector used to provide an additional analogue video output.
Alteia plus models: Software version 2.3 and later – Connector used for Frame Sync input.
Page B-14
Specification
QPSK, 16QAM, 64QAM
1
1
2k
1705
1512
EN 300 744
70 MHz
75 W
< 15 dB
4.98 - 31.67 Mbit/s
): Depends on mode and channel.
in
E.g. 64QAM, rate
2.4 dB (typical)
<-65 dBm, 1 to 200 MHz
> 10 dB relative to wanted for sine wave at frequencies at least 4 MHz
away from 70 MHz.
Specification
BNC, Female
FRAME SYNC
Pin
Body Ground/Chassis
High
Instruction Manual: Alteia and Alteia plus Professional Receivers and Decoders
/ º 7ms, 1 / º 14ms, 1 / º 28ms,
32 16 8
/ , 2 / , 3 / , 5 / , 7 /
2 3 4 6 8
/ : minimum: -20 dBm (typical), maximum: 20 dBm
2
3
Analogue Black and Burst Input
1 / º 56ms
4
ST.TM.E9200.8