DekTec DTM-3237 DVB-S2 Receiver - Manual (Page 7)

DTM-3237 – OEM DVB-S2 Receiver with DVB-ASI Output
User Manual
7
CRC Cyclic redundancy check
DiSEqC Digital Satellite Equipment Control
E
b
/N
0
Energy per bit to noise power spectral density ratio
E
s
/N
0
Energy per symbol per noise power spectral density
FEC Forward error correction
FLASH Non-volatile storage chip
ISI Input stream identifier
L.3 Receiver adaptation serial output interface with in-band signaling
LDPC Low-density parity-check code (outer FEC coding used for DVB-S2)
LNB Low noise block
LVTTL Low voltage transistor-transistor logic (3.3V)
Mbps Megabit per second
MER Modulation error rate
MIS Multiple Input Stream
ModCod Modulation and coding (combination of constellation and code rate)
NA Not applicable
NC Not connected
PSK Phase-shift keying
QPSK Quadrature phase-shift keying
R/W Read / Write
RO Read only
RS Reed-Solomon (inner FEC coding used for DVB-S)
SIS Single Input Stream
SNR Signal to noise ratio
ST188 188-byte Transport Stream mode
VCM Variable coding and modulation
WO Write only
1.8 References
[1] DTAPI Manual - Overview and Data Formats, L.3 Baseband frame implementation. Part of
DekTec’s Windows SDK
[2] DVB-S, ETSI EN 300 421, Digital Video Broadcasting (DVB); Framing structure, channel
coding and modulation for 11/12 GHz satellite services
[3] DVB-S2, ETSI EN 302 307, Digital Video Broadcasting (DVB); Second generation framing
structure, channel coding and modulation systems for Broadcasting, Interactive Services,
News Gathering and other broadband satellite applications.