Rohde & Schwarz EFA-20
Test Receiver/Demodulator/Analyzer
Description
This analyzer is fully compatible with the DVB-C standard (EN 300 429), the EFA 20/23 models receive, demodulate, decode and analyze all orders of QAM (quadrature amplitude modulated) signals.
All key parameters for demodulating the received signal can be selected automatically or manually.
It is available as standard test receiver (model 20), high end test receiver or high end demodulator (model 23).
Key Points
Demodulation of DVB-C signals
4, 16, 32, 64, 128 or 256 QAM modulation
Constellation diagram with automatic analysis of transmission parameters
Variable symbol rate for special modulator tests and lab analysis (1 Msymbol/s to 6.999 Msymbol/s)
Reed-Solomon error correction
Optional SAW filter bandwidths of 6MHz, 7MHz, 8MHz
Input of any IF frequency with the aid of the EFA-B3 option frequency range continuously tunable from 5MHz to 1000MHz
Bit error ratio measurement (before and after Reed-Solomon decoder)
Integrated noise generator for measurement of noise margin
Optional MPEG-2 decoder
Specifications
Optional SAW filter bandwidths: 6MHz, 7MHz, 8MHz
