Tektronix MTM400A, Техническое описание

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Specifications
MTM400A Specifications and Performance Verification
1- 7
Table 1- 13: 8PSK/QPSK interface card characteristics with 8PSK input
Characteristic Description
Input Frequency Range 950 MHz to 2150 MHz with 1 MHz step size
Input Signal Amplitude Range --60 dBm to --30 dBm for a CBER of <1e
--6
Modulation Format QPSK in accordance with ETSI EN 300 421
Modulated Baud Rate 1 MBaud min, 30 MBaud max
Turbo Viterbi Values Supported 2/3, 3/4 (2.05), 3/4 (2.1), 5/6, 8/9
Turbo FEC Turbo code
Connector Style F-style
Input Termination Impedance 75
Ω
nominal
Input Return Loss 4 dB min, 950 MHz to 2050 MHz typical
LNB Supply Voltage Selectable; 13.0 V 1.5 V or 18.0 V 1.5 V, with 100
Ω
, 5 watt resistor load
LNB Supply Maximum Current 200 mA maximum
LNB 22 kHz Signaling Frequency 17.6 kHz min, 26.4 kHz max (22 kHz 20%)
LNB 22 kHz Signaling Amplitude 600 mV p-p with 100
Ω
load
Ultimate Modulation Error Ratio (with equalizer) 26 dB with equalizer
Table 1- 14: 8PSK/QPSK interface card characteristics with QPSK input
Characteristic Description
Input Frequency Range 950 MHz to 2150 MHz with 1 MHz step size
Input Signal Amplitude Range --60 dBm to --30 dBm for a CBER of <1e
--6
Modulation Format QPSK in accordance with ETSI EN 300 421
Modulated Baud Rate 1 MBaud min, 30 MBaud max
Viterbi Values Supported 1/2, 2/3, 3/4, 5/6, 6/7, 7/8
FEC In accordance with ETSI EN 300 421
Turbo Viterbi Values Supported 1/2, 2/3, 3/4, 5/6, 7/8
Turbo FEC Turbo code
Connector Style F-style
Input Termination Impedance 75
Ω
nominal
Input Return Loss 4 dB min, 950 MHz to 2050 MHz typical
LNB Supply Voltage Selectable; 13.0 V 1.5 V or 18.0 V 1.5 V, with 100
Ω
, 5 watt resistor load
LNB Supply Maximum Current 200 mA maximum
LNB 22 kHz Signaling Frequency 17.6 kHz min, 26.4 kHz max (22 kHz 20%)
LNB 22 kHz Signaling Amplitude 600 mV p-p with 100
Ω
load
Ultimate Modulation Error Ratio (with equalizer) 26 dB with equalizer