Datum Systems PSM-500L Manual de usuario descargar pdf (Pagina 26)

Datum Systems PSM-500, 500H & 500L VSAT/SCPC Modem Specification

Rev. 0.86

A-26

S-Tec Large Block 16QAM Performance

S-Tec FEC Performance for 16QAM

Required Eb/No in dB dB - Typical

Rate -->

1/2 3/5 3/4 4/5 5/6

BER 66000 66010 66020 66030 66040

1.00E-02

4.00 5.10 5.90 6.60 7.20

1.00E-03

1.00E-04

1.00E-05

1.00E-06

1.00E-07

1.00E-08

1.00E-09

1.00E-10

4.20 5.30 6.30 7.00 7.60

Datum Systems M500 Modem Performance

66000 - S-Tec LB 16QAM Rate 1/2

66010 - S-Tec LB 16QAM Rate 3/5

66020 - S-Tec LB 16QAM Rate 3/4

66030 - S-Tec LB 16QAM Rate 4/5

66040 - S-Tec LB 16QAM Rate 5/6

11.522.533.544.555.566.577.588.599.51010.5

1E-11

1E-10

1E-9

1E-8

1E-7

1E-6

1E-5

0.0001

0.001

0.01

0.1

Eb/No

BER

DATUM

SYSTEMS

S-Tec TCC FEC - Large Block - 16QAM

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 32

SYSTEMS 1
Modulator Specifications 5
IF Output 5
Transmit Synthesizer 5
Transmit Baseband Processing 6
Demodulator Specifications 7
IF Input 7
Receive Synthesizer 7
Receive Baseband Processing 7
Bit Error Rate Performance 9
Viterbi BPSK/QPSK/OQPSK 10
Viterbi 16QAM 11
TCM 8PSK 12
M5 Compatible TPC Modes 14
TPC Advanced QPSK 15
TPC Advanced 8PSK 16
TPC Advanced 8QAM 17
TPC Advanced 16QAM 18
TPC-CT QPSK 19
TPC-CT 8PSK 20
TPC-CT 8QAM 21
TPC-CT 16QAM 22
Acquisition Performance 27
Data Input 28
Data Output 28
Modem Bit Delays 28
Modulator Transmit Delays 28
Demodulator Receive Delays 29
Monitor 31
Control 31
General Unit Specifications 32
Mechanical 32
Environmental 32
Burst Mode Operation 32

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Datum Systems PSM-500L Manual de usuario Pagina 26

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