Wegener Unity 4650 Manuel d'utilisateur télécharger pdf (Page 16)

Unity 4650 User’s Manual

800034-01 Rev. A 16 wegener.com

RF TUNING

Input Frequency Range 950 to 2150 MHz

LO Leakage at Input

≤

-60 dBm

Symbol-rate Range 1 to 30 Msps (may be limited by Transport Rate limits)

Tuning Resolution 10 kHz

Input Signal Level Range -25 to -65 dBm

Signal Level Warning Limits warns within +10/-5 dB of upper limit and +5/-10 dB of lower

limit

Maximum Aggregate Input Power 0 dBm max

DEMODULATOR/FEC

Modulation 1. DVB-QPSK (

=.35) per EN 300 421

2. Advanced "Turbo-QPSK" (

=.20 default; R=½, ¾) per

Broadcom proprietary protocol

3. Advanced "Turbo-8PSK" (

=.20 default; R=2/3, 5/6, 8/9)

per Broadcom proprietary protocol. [R=¾ Type I and II - con-

tact factory]

4. Advanced "Turbo-16QAM" (

=.20 default; R=¾) per

Broadcom proprietary protocol

Carrier acquisition range ±1 MHz or ± 10% of symbol-rate QPSK, whichever is greater

Table 2: Transport In Options

Characteristic Specification

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 91 92

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Wegener Unity 4650 Manuel d'utilisateur Page 16