Quasonix Compact RDMS Specifications Page 1

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Compact RDMSTM Telemetry Receiver1 Quasonix, Inc. 1.2.3.1 Additional Band Codes Two additional band codes are available:  Band Code 7: 70 MHz

Compact RDMSTM Telemetry Receiver2 Quasonix, Inc. 2 Specifications Characteristic Specification Receiver Section Type Dual-conversion superhetero

Compact RDMSTM Telemetry Receiver3 Quasonix, Inc. Demodulator Section Demodulator type ARTM Tier 0 (PCM/FM), ARTM Tier I (SOQPSK-TG), ARTM Tier II

Compact RDMSTM Telemetry Receiver4 Quasonix, Inc. 3 Installation Instructions 3.1 Mechanical The Compact RDMS™ is designed to be mounted by eight

Compact RDMSTM Telemetry Receiver5 Quasonix, Inc. Figure 2: RDMS™ in 4.00” x 3.00” x 1.00” Compact Housing

Compact RDMSTM Telemetry Receiver1 Quasonix, Inc. 3.2 Thermal It is important that the RDMS™ be kept within its specified operating range of -40°C

Compact RDMSTM Telemetry Receiver2 Quasonix, Inc. Position Signal Description 8 RS 232 Tx Output RS-232 responses to host controller 9 +28 VDC

Compact RDMSTM Telemetry Receiver3 Quasonix, Inc. The 70 MHz IF output on the second SMA connector, labeled “IF OUT”, is provided for troubleshoo

Compact RDMSTM Telemetry Receiver4 Quasonix, Inc. 4 Operating Instructions 4.1 Power-on Operation When the receiver is powered up, the integral de

Compact RDMSTM Telemetry Receiver5 Quasonix, Inc. Parameter Name Description Default Value Frequency This is the desired frequency of the receiv

Compact RDMSTM Telemetry Receiveri Quasonix, Inc. Table of Contents 1 Introduction ...

Compact RDMSTM Telemetry Receiver6 Quasonix, Inc. For setup and configuration via a standard Windows-based PC, Quasonix recommends the application

Compact RDMSTM Telemetry Receiver7 Quasonix, Inc. 4.3.1 Tier 0 (PCM/FM), Tier I (SOQPSK-TG), and Tier II (Multi-h CPM) Commands The following tab

Compact RDMSTM Telemetry Receiver8 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionAV Ma

Compact RDMSTM Telemetry Receiver9 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionCP Cl

Compact RDMSTM Telemetry Receiver10 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionFR F

Compact RDMSTM Telemetry Receiver11 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionLD L

Compact RDMSTM Telemetry Receiver12 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionMI M

Compact RDMSTM Telemetry Receiver13 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionMO M

Compact RDMSTM Telemetry Receiver14 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionOC O

Compact RDMSTM Telemetry Receiver15 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionPL I

Compact RDMSTM Telemetry Receiverii Quasonix, Inc. 13.5 Know Your Transmitter...

Compact RDMSTM Telemetry Receiver16 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionRN D

Compact RDMSTM Telemetry Receiver17 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionSY S

Compact RDMSTM Telemetry Receiver18 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode RestrictionTO F

Compact RDMSTM Telemetry Receiver19 Quasonix, Inc. Mnemonic Name Description Option (s) Required Basic or Advanced Command Mode Restriction*VF

Compact RDMSTM Telemetry Receiver20 Quasonix, Inc. 5 Performance Specifications 5.1 DC Input The Compact RDMS™ operates from a nominal 28 VDC, +/-

Compact RDMSTM Telemetry Receiver21 Quasonix, Inc. 1.E-081.E-071.E-061.E-051.E-041.E-031.E-021.E-011.E+002 3 4 5 6 7 8 9 10 11 12 13 14Eb/N0 (dB)T

Compact RDMSTM Telemetry Receiver22 Quasonix, Inc. Figure 7: Synchronization Time at Various Signal-to-Noise Ratios

Compact RDMSTM Telemetry Receiver23 Quasonix, Inc. 5.4.1 RF Input The Compact RDMS™ is available in frequency bands shown in Table 8. Two addition

Compact RDMSTM Telemetry Receiver24 Quasonix, Inc. 5.4.1.1 Additional Band Codes Two additional band codes are available:  Band Code 7: 70 MHz

Compact RDMSTM Telemetry Receiver25 Quasonix, Inc. 6 IF Module The receiver’s integrated IF filter module, shown in Figure 8, includes eight (8) S

Compact RDMSTM Telemetry Receiveriii Quasonix, Inc. Table 10: Optional 37-Pin Assignments...

Compact RDMSTM Telemetry Receiver26 Quasonix, Inc. Figure 9: 70 MHz IF Module in 2” x 3” Chassis SAW Filter Responses, Narrow Group (10 MHz

Compact RDMSTM Telemetry Receiver27 Quasonix, Inc. Figure 10: SAW Filter Responses, Wide Group (Plotted on 100 MHz Span)

Compact RDMSTM Telemetry Receiver28 Quasonix, Inc. Figure 11: Optional SAW Filter Responses for 70 kHz to 6 MHz

Compact RDMSTM Telemetry Receiver29 Quasonix, Inc. Figure 12: Optional SAW Filter Responses for 14 MHz and 28 MHz

Compact RDMSTM Telemetry Receiver30 Quasonix, Inc. 7 Maintenance Instructions The Compact RDMS™ requires no regular maintenance, and there are no

Compact RDMSTM Telemetry Receiver31 Quasonix, Inc. 8 Product Warranty The Compact RDMS™ carries a standard parts and labor warranty of one (1) yea

Compact RDMSTM Telemetry Receiver32 Quasonix, Inc. 9 Technical Support and RMA Requests In the event of a product issue, customers should contact

Compact RDMSTM Telemetry Receiver33 Quasonix, Inc. 10 Appendix A – Bit Error Rate Testing There is a separate BERT for each data path in the recei

Compact RDMSTM Telemetry Receiver34 Quasonix, Inc. Mnemonic Name Description BE [c] T n Set Bit Error Measurement Type Sets bit error measuremen

Compact RDMSTM Telemetry Receiver35 Quasonix, Inc. Mnemonic Name Description BE [c] M Measurement Enable Starts or stops bit error measurement

Compact RDMSTM Telemetry Receiver1 Quasonix, Inc. 1 Introduction 1.1 Description This document describes the installation and operation of the Qu

Compact RDMSTM Telemetry Receiver36 Quasonix, Inc. The BERT can be enabled, but not running, in the case of a time, bit, or error count limit. An

Compact RDMSTM Telemetry Receiver37 Quasonix, Inc. 11 Appendix B – Pinouts for Optional 37 Pin Connector The optional 37-pin connector provides th

Compact RDMSTM Telemetry Receiver38 Quasonix, Inc. Position Signal Description 20 DAC Ground Analog output (GND) 21 DNC Factory use only – Do

Compact RDMSTM Telemetry Receiver39 Quasonix, Inc. 12 Appendix C – Detailed Output Control (OC) Command Settings The Output Control command, as de

Compact RDMSTM Telemetry Receiver40 Quasonix, Inc. Mnemonic Name Description OC c s Set Channel and Source where c is channel: O_0, O_1, O_2, O

Compact RDMSTM Telemetry Receiver41 Quasonix, Inc. 13 Appendix D – Phase Noise Compensation 13.1 Trellis Demodulation Basics Legacy Single-Symbol

Compact RDMSTM Telemetry Receiver42 Quasonix, Inc. Figure 15: Phase Trajectory Never Forgets 13.1.1 Trellis Demodulation Summary The basic prem

Compact RDMSTM Telemetry Receiver43 Quasonix, Inc. Figure 17: Trellis Detection Gain with Significant to Severe Phase Noise 13.2 Phase Noise Im

Compact RDMSTM Telemetry Receiver44 Quasonix, Inc. Figure 18: "Clean" Eye Pattern 13.5 Know Your Transmitter If you know the brand an

Compact RDMSTM Telemetry Receiver45 Quasonix, Inc. 14 Appendix E – Factory Reset Values When a reset command is activated, the frequency defaults

Compact RDMSTM Telemetry Receiver2 Quasonix, Inc. 1.2.1 Options The available options include:  14 14 SAW filter option (Adds 70 kHz, 1.4, 3,

Compact RDMSTM Telemetry Receiver46 Quasonix, Inc. Table 12: PCM/FM Factory Reset Values Parameter Reset State Bit Rate 1 Modulation Scaling Tr

Compact RDMSTM Telemetry Receiver47 Quasonix, Inc. Table 13: SOQPSK Factory Reset Values Parameter Reset State Bit Rate 1 Modulation Scaling N/

Compact RDMSTM Telemetry Receiver48 Quasonix, Inc. Table 14: Multi-h CPM Factory Reset Values Parameter Reset State Bit Rate 1 Modulation Scalin

Compact RDMSTM Telemetry Receiver49 Quasonix, Inc. 15 Appendix F – Acronym List Acronym Description AGC Automatic Gain Control AM Amplitude Modul

Compact RDMSTM Telemetry Receiver50 Quasonix, Inc. Acronym Description PSK Phase Shift Keying QPSK Offset Quadrature Phase Shift Keying RDMS Rec

Compact RDMSTM Telemetry Receiver3 Quasonix, Inc. 1.2.2.2 Eight-way Clock and Data Multiplexer – 8F Normally, the three clock and data streams av

Compact RDMSTM Telemetry Receiver4 Quasonix, Inc. The receiver has two independent decoders, one for in-phase (“I”) data and one for quadrature (“

Compact RDMSTM Telemetry Receiver5 Quasonix, Inc. 1.2.3 Band Configurations Band configuration codes are listed in Error! Reference source not fou