Tektronix MTM400A, Technical Reference

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Specifications
1- 10
MTM400A Specifications and Performance Verification
Table 1- 18: COFDM interface card characteristics
Characteristic Description
Input Frequency Range 50 MHz to 858 MHz (to include low VHF)
Input Signal Amplitude Range The receiver delivers QEF (Quasi Error Free) operation over the following signal
power ranges:
QPSK (4QAM): --85 dBm to --10 dBm (24 dBuV to 99 dBuV)
16QAM: --80 dBm to --10 dBm (29 dBuV to 99 dBuV)
64QAM: --72 dBm to --15 dBm (37 dBuV to 94 dBuV)
≥
--60dBm to ensure compliance to EN 55103-2 immunity
Compliance COFDM (DVB-T) receptions and demodulation, compliant with ETSI EN300-744,
2 K and 8 K transmission modes
Tuning Resolution 166.7 kHz or smaller increments
Tuning Accuracy Better than 50 ppm
Channel Bandwidth 7 MHz and 8 MHz (software selectable)
Connector Style F-style
Input Termination Impedance 75
Ω
nominal
Input Return Loss 7 dB minimum, 50 MHz to 858 MHz; typical
Modulation Schemes Supported QPSK (4QAM), 16QAM, and 64QAM modulation
Transmission Modes 2 K carriers and 8 K carriers
Hierarchical modulation All hierarchies will be supported, to include no hierarchy, and alpha = 1, 2 and 4.
Viterbi puncture rates 1/2, 2/3, 3/4, 5/6, 7/8
Guard Intervals 1/32, 1/16, 1/8, 1/4
Spectrum Polarity The receiver will operate with both inverted and normal spectral polarity.
Ultimate Modulation Error Ratio, with Equalizer
≥
37 dB with equalizer; typical