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Technical Specification
Reference Guide: TT128x High Definition Professional Receiver/Decoder Page B-7
ST.RE.E10141.5
B.3.6 Supported Audio Bit-rates
Table B.5: Supported Audio Data Bit-rates (MPEG-2)
Mono kbit/s Stereo kbit/s Mono kbit/s Stereo kbit/s
32 64 96 192
48 96 112 224
56 112 128 256
64 128 160 320
80 160 192 384
B.3.7 Digital Audio Outputs
Digital audio outputs comply with E1A-422
1
and have a maximum data
rate of 3.072 Mbit/s.
Digital audio is output on two 9-way, D-type connectors.
Audio output: balanced 2 – 7 volts.
B.4 Input Specifications
B.4.1 QPSK Satellite Receivers
General
Table B.6: QPSK Satellite Receiver Input Specification
Parameter Specification
L-band input
Safety status SELV
Number of inputs 2
Input connector type F-type, female 75 Ω
Input impedance 75 Ω
Return loss > 9 dB
Isolation between inputs > 40 dB typical
Frequency
Tuning range
2
Fc = 950 to 2150 MHz
Tuning step 100 kHz
Carrier frequency search range 0 to ± 5 MHz
Receive spectrum sense Normal and inverted
Power
Input power level per carrier -65 to –25 dBm
Total L-band input power < -10 dBm
Oscillator power at the L-band input < -63 dBm, F = Fc and Fc/2
1
EIA-422-A-1978: Electrical characteristics of balanced voltage digital interface circuits.
2
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.