3
rd
Generation Dual Channel
Compact RDMS
TM
Telemetry Receiver-Combiner
41
Quasonix, Inc.
Figure 46: Configure Basic Settings Window, DQ Encapsulation Checked
Note:
When DQE is enabled, normal bit error rate measurements cannot be made on the output data stream.
The DQM is displayed as Signal Quality on the Monitor screen, with a color-coded bar and a number above it (0-
10).
5.4.2.6
Derandomizer Settings
The Derandomizer defaults to Off. Click on the drop down arrow to display the menu, then select the desired option
(Figure 47). The standard running mode for non-LDPC operation is IRIG. The CCSDS option is only available
when an LDPC Mode is enabled (SOQPSKLDPC or STCLDPC) or when Reed-Solomon decoding is enabled.
•
IRIG – Derandomizes data randomized using the IRIG 15-stage randomizer
•
CCSDS – Derandomizes data randomized using the CCSDS 8-stage block synchronous randomizer
Figure 47: Settings Window, Derandomizer Drop Down Menu
