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3rd Generation RDMS 2760
Quasonix 3rd Generation RDMS 2760 Manuals
Manuals and User Guides for Quasonix 3rd Generation RDMS 2760. We have
1
Quasonix 3rd Generation RDMS 2760 manual available for free PDF download: Installation And Operation Manual
Quasonix 3rd Generation RDMS 2760 Installation And Operation Manual (109 pages)
Compact Telemetry Receiver
Brand:
Quasonix
| Category:
Receiver
| Size: 3 MB
Table of Contents
Table of Contents
2
1 Introduction
8
Description
8
Nomenclature
9
Options
9
Figure 1: Receiver Types and Options
9
Table 1: Model Configuration Example
9
Detailed Option Descriptions
10
SAW Filter Option - 14
10
Ethernet (EVTM) Payload, Receive Only - en
10
Adaptive Equalizer - EQ
10
Extended Temperature - ET
10
Viterbi Decoder (for Legacy PSK Only) - K7
10
Wide Voltage - WV
11
Band Configurations
12
Table 2: Band Configuration Codes
12
Additional Band Codes
13
2 Specifications
14
3 Installation Instructions
16
Mechanical
16
Figure 2: 3Rd Generation RDMS™ in 4.00" X 3.00" X 1.00" Compact Housing
17
Figure 3: 3Rd Generation RDMS™ in 4.00" X 3.00" X 1.00" Compact Housing with en (EVTM) Option
18
Thermal
19
Electrical
19
Figure 4: MDM-15 Pin Numbers
19
Table 3: MDM-15 Pin Assignments
19
Figure 5: Baseband Signal Timing
20
Figure 6: Compact Receiver Front Panel with Labeled Connectors
21
Figure 7: MDM-9 Pin Numbers
21
Pin Assignments for Ethernet Connector
21
Table 4: MDM-9 Pin Assignments
22
4 Operating Instructions
23
Power-On Operation
23
Stored Parameters
23
Table 5: Default Modulation Start up
23
Table 6: Stored Parameters
23
RDMS Serial Control Protocol
25
Figure 8: RDMS™ Welcome Message Example
25
Tier 0 (PCM/FM), Tier I (SOQPSK-TG), and Tier II (Multi-H CPM) Commands
26
Table 7: Standard and Optional User Commands
27
Additional Command Set Details
31
Antenna Control Unit - ACU
31
Adaptive Equalizer Control - AEQ
32
Automatic Frequency Control - AFC
34
Automatic Gain Control - AGC
37
Automatic Gain Control Bulk Attenuation - AGC BA
37
Automatic Gain Control Data Settings - AGC DATA
38
Automatic Gain Control Mode - AGC M
39
Automatic Gain Control Loop Parameter - AGC L
39
Automatic Gain Control Attenuator Look up Table - AGC LUT
40
Automatic Gain Control Auto Zero - AGC AZ
40
Automatic Gain Control Zero - AGC Z
40
High Speed Output Mixer Settings - AHM
41
High/Low Speed Outputs
42
Analog High Speed Output - AHO
43
Analog Low Speed Output - ALO
45
High Speed Digital Output - DHO
47
Low Speed Digital Output - DLO
48
Low Speed Mixer Control - ALM
50
Lock Status Command - al
51
Bit Rate - BR
51
Clock Polarity - CP
51
Downconverting Antenna - da
52
Differential Decoding - DD
52
Digital Output Muting - DOM
53
Data Polarity - DP
53
Data Quality Encapsulation - DQE
54
Data Quality Metric - DQM
55
Derandomizer State - DR
55
Digital Status Output - DSO
56
Forward Error Correction - FEC
56
Force Lock Indication - FL
57
FM Demodulator Settings - FM
58
FM Video Bandwidth Control - FM B
58
Frequency - FR
59
Advanced Help Command - HA
59
IF Filter Control - if
60
Low Density Parity Check - LDPC
61
Modulation Index - MI
62
Modulation - MO
63
Output Clock Measurement - OCM
64
PCM Decoding - PDC
64
Receiver Channel Parameters
65
Parameters Erase - PER
65
All Parameters Erase - PERA
66
Parameter Load - PLD
66
Parameter Reset - PRS
66
Parameters Save - PSV
66
Reset to Factory Defaults - RFD
66
Power Level - PL
66
Phase Noise Compensation - PNC
68
Query Temperature - QT
68
Signal Degradation Information - SDI
68
Spectrum Inversion - si
71
Show Serial Number - SN
71
Save Parameters - SV
71
Sync Detect - SYNC
71
System Status Tracking - SYS
73
Time of Day - TOD
73
Show Options - up
74
Version - VE
75
Viterbi Forget Factor - VFF
75
5 Performance Specifications
76
DC Input
76
RF Frequency Error
76
Bit Error Rate
76
Table 8: RDMS BER Specifications
76
Synchronization
77
Figure 9: BER Performance for Tier 0, I, and II
77
Figure 10: Synchronization Time at Various Signal-To-Noise Ratios
78
6 IF Module
79
Figure 11: 70 Mhz if Module in 2" X 3" Chassis
79
Figure 12: 70 Mhz if Module in 2" X 3" Chassis SAW Filter Responses, Narrow Group (10 Mhz Span)
80
Figure 13: SAW Filter Responses, Wide Group (Plotted on 100 Mhz Span)
81
Figure 14: Optional SAW Filter Responses for 70 Khz to 6 Mhz
82
Figure 15: Optional SAW Filter Responses for 14 Mhz and 28 Mhz
83
7 Maintenance Instructions
84
8 Product Warranty
85
9 Technical Support and RMA Requests
86
10 Appendix A - Bit Error Rate Testing
87
Table 9: Bit Error Rate Serial Commands
87
Test Noise Commands
91
Table 10: Test Noise Commands
91
11 Appendix B - Pinouts for Optional 37 Pin Connector
93
Figure 16: Optional 37-Pin Numbers
93
Table 11: Optional 37-Pin Assignments
93
12 Appendix C -Recommended am and AGC Settings for ACU Interfaces
95
AM and AGC
95
AM AGC Compensation
95
Recommended Settings
95
Table 12: Recommended AM/AGC Settings
95
13 Appendix D - Phase Noise Compensation
97
Trellis Demodulation Basics
97
Figure 17: Ideal PCM/FM Phase Tree (H = 0.7)
97
Figure 18: Phase Trajectory Never Forgets
98
Figure 19: Trellis Detection Gain with Zero to Minimum Phase Noise
98
Trellis Demodulation Summary
98
Phase Noise Impact
99
Clock Jitter Impact
99
When to Use PNC
99
Figure 20: Trellis Detection Gain with Significant to Severe Phase Noise
99
Know Your Transmitter
100
Figure 21: "Clean" Eye Pattern
100
14 Appendix E - PCM Framer/Deframer Function
101
PCM Framer
101
Figure 22: Frame Format with SFIC Insertion Enabled
101
PCM Deframer
102
15 Appendix F - Factory Reset Values
103
Table 13: PCM/FM Factory Reset Values
103
Table 14: SOQPSK Factory Reset Values
104
Table 15: Multi-H CPM Factory Reset Values
105
Table 16: QPSK Factory Reset Values
106
Table 17: Multi-H CPM Factory Reset Values
107
16 Appendix G - Acronym List
108
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