Rohde & Schwarz EFA63 Test Receiver (DVB-C)

Besides the deployment of the worldwide digital terrestrial TV network and the already established digital video broadcasting over satellite, digital cable TV still represents an alternative for many consumers worldwide. Additionally, cable technology provides a return channel within the same physical layer (coax cable), allowing the consumer to send back information to the cable headend for versatile applications (full Internet access, videoon- demand and more). The boundary between data communications and TV networks has never been so narrow!

Fully compatible with the DVB-C standard (EN 300 429), the EFA 60/63 models receive, demodulate, decode and analyse all orders of QAM (quadrature amplitude modulated) signals. All key parameters for demodulating the received signal can be automatically or manually selected:

• 4, 16, 32, 64, 128 or 256 QAM modulation
• 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: 6 MHz, 7 MHz, 8 MHz and 2 MHz
• Input of any IF frequency with the aid of the EFA-B3 option: frequency range continuously tunable from 5 MHz to 1000 MHz
• Special function: invert spectrum
• Bit error ratio measurement (before and after Reed-Solomon decoder)
• Integrated noise generator for measurement of noise margin