Cisco Cisco D9824 Advanced Multi Decryption Receiver 설치 가이드
Appendix A
Technical Specifications
324
OL-29015-01
L-Band Input and Processing
General
Parameter
Specification
System
MPEG-2/DVB Compatible
DVB-S EN 300 421, EN 300 468
Demodulation
DVB-S QPSK, DVB-S2 QPSK and 8PSK
Number of RF Inputs
4 (only one active at a time)
LNB LO Stability
DVB-S and DVB-S2
Symbol Rate
Stability
1 to 4.99 MSymbols/s
≤ ± 125 kHz
5.0 to 9.99 MSymbols/s
≤ ± 1.0 MHz
10.0 to 45 MSymbols/s
≤ ± 3.0 MHz
Parameter
Specification
LNB Phase Noise
Requirement
Requirement
-35 dBc/Hz at dF = 100 Hz
-53 dBc/Hz at dF = 1 kHz
-76 dBc/Hz at dF = 10 kHz
-96 dBc/Hz at dF = 100 kHz
-106 dBc/Hz at dF = 1 MHz
-117 dBc/Hz at dF = 10 MHz