Tektronix MTM400 Manual do Utilizador descarregar pdf (Página 153)

Interface Configuration and Interpretation

MTM400 MPEG Transport Stream Monitor User Manual 3-109

QPSK (L-Band)

The QPSK (L-Band) Interface option allows you to connect to QPSK equipment

operating in the L-Band (950 MHz to 2150 MHz). It will internally I-Q

demodulate the signal with its on-board AGC control, Viterbi decoder, and FEC

decoder.

The module will tune the full Satellite IF band, which is considerably wider than

the L-Band itself. As LNB support is included, this allows the module to be used

with a stand-alone TVRO dish.

The input to the interface card is looped through to the output connector, allowing

subsequent processing of the input signal.

The L-Band Interface allows you to monitor and/or record the transport streams

from within the L-Band signal.

Bit Error Rate (BER) values are available during operation.

Configuration - QPSK (L-Band)

Figure 3-38: Interface configuration - QPSK (L-Band)

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Tektronix MTM400 Manual do Utilizador Página 153