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Model SM-5320
Data/Waveform Generator/Tester for Vector Modulation
Flexible Multi-Mission Solution for Signal Generation/Test


  • Integrated Programmable Waveform Generator, Noise Generator, and BER Test System with Optional Modulator
  • Link and Range Setup, Testing and Operation
  • SatCom Science, and Military Missions
  • SGLS and STDN Ground Stations
  • Mobile Tracking and Data Systems
  • Payload and Product Integration, Simulation and Testing
  • Beacon Modulator with Gold Code Support, Beacon Suitcase and Test Suites
  • Supports ARTM PCM/FM and SOQPSK

The SM-5320 is a versatile data and waveform generator, providing fully programmable data and signal processing and advanced waveform creation. The digital implementation provides for the small form/fit of this product while fully satisfying applications requiring ruggedized packaging, minimum power consumption, and high spectral purity. The standard design supports a multitude of digital or analog modulations, or complex combinations of modulation formats.

Data generation, coding, and modulation can be driven from a variety of external digital inputs or via internal pattern and waveform generation sources. Dual data processing paths are included to allow creation of independent I and Q streams.

The design also supports link test and verification applications. A single SM-5320 can replace a BERT, waveform generator, noise source, attenuators, power meter, and spectrum analyzer. Combining these capabilities in one small, simple to use unit allows quick and accurate setup and testing without in-depth system knowledge.

The SM-5320 can provide a low frequency IF output (up to 20 MHz) or may be provided with an optional fixed frequency embedded vector modulator (70 MHz, 140 MHz, or custom). Independent in-phase and quadrature analog outputs can also be utilized to drive an external vector modulator or signal.

Up to 32 Configuration Profiles can be stored with user-defined link names and recalled with a single command, simplifying fast and accurate configuration changes.

Configurable front panel BNC connectors provide operators with ready access to internal operating signals. The SM-5320 can also optionally support a station clock input for external frequency reference.

The firmware-intensive implementation of the SM-5320 readily accommodates custom features and signal processing tasks. Using the latest generation digital signal processing techniques allows upgrades via firmware changes, even for previously fielded systems.

The SM-5320 Data/Waveform Generator  is available in a standard 1U 19 inch rack mountable chassis or as PCI cards and API for integration into other systems. The Chassis version is not based on a PC platform, avoiding the requirement for 3rd Party Operating Systems and hard drives and reducing the need for system patches and IT security concerns.

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Compact 1U chassis not requiring 3rd party Operating System or hard drive for increased reliability and security


Key Features

  • Multiple Data Inputs or Internal Programmable Pattern Generators for Main and/or Subcarriers
  • Analog, Digital or Complex Waveform Modulator for PM, AM, FM and B-, Q-, O/SQ-, U- and A-QPSK to 25 Mbps
  • Dual Data Encoder with Convolutional Encoding, PCM Conversion, Scrambling, and Ranging Generation
  • Internal Rate and Pattern Generator including Single Error Insertion for a flexible telemetry and data test source
  • Programmable Noise for Eb/No and SNR measurements
  • Programmable Front Panel Ports for Setup and Monitoring
  • Integrated Solution Replaces Separate Noise Source, BERT and Hours of Cal

Also available as PCI PC-Cards for
multi-channel systems and site integration flexibility



Data Inputs

2 TTL Data/Clocks: 50bps to 50Mbps

2 Differential Data/Clocks: 50bps to 50Mbps

1 Analog Input

2 Internal Digital Pattern Generators

2 Internal Clock Generators (With Outputs)

Internal Analog Waveform Generator


Coding Formats


NRZ - Mark (NRZ-M), Space (NRZ-S), Level (NRZ-L)

BIØ - Mark (BIØ-M), Space (BIØ-S), Level (BIØ-L)


Bypass, Rate 1/2, or Rate 3/4 (Punctured)

Constraint Length 7, Industry Standard Polynomials

G1/G2, G1/-G2, G2/G1, -G2/G1 Symbol Ordering

Dual Encoder Mode for Quad Modulations


Bypass, Intelsat (V.36), or CCITT (V.35)


Modulated Outputs


Intermediate Frequency:

Frequency: Baseband (DC) to 50MHz

Resolution: 0.25Hz

Output Level: +10 to -60dBm

In-phase/Quadrature Baseband:

Compatible with External Vector Modulator

Adjustable and Independent Levels, Balance, Offset


Embedded Vector Modulator with Frequency Reference

Frequency: Specify (70MHz, 140MHz, ...)

Output Level: +9 to -10dBm

Stability, Phase Noise: Specify


Embedded Vector Modulator with Ext. Frequency Input

Frequency: Specify (L-Band, S-Band, X-Band)

Output Level: +3dBm (typical)


Supported Waveforms


Phase Shift Keyed (PSK)

Frequency Shift Keyed (FSK)

Amplitude Shift Keyed (ASK)


Phase Modulation (PM)

Frequency Modulation (FM)

Amplitude Modulation (AM)





AM or ASK Waveform Specifications

Digital Mode: Binary ASK or OOK

Analog Modes: External In, Digital Modulator In

Modulation Rates: 100sps to 10Msps or Up to 10MHz Analog

Mod Index: 0.1 to 100% in .1% increments



PM or PSK Waveform Specifications


Analog Modes: External In, Digital Modulator In

Shaping: Phase Transition over 0 to 100% of Baud Period

Modulation Rates: 50sps to 20Msps or Up to 10MHz Analog

Mod Indices: 0 to 180 degrees for DPM, Adjustable I/Q power ratios

for A or UQPSK


FM or FSK Waveform Specifications

Digital Mode: Binary FSK

Analog Modes: External In, Digital Modulator In

Modulation Rates: 100sps to 10Mbps or Up to 10MHz Analog

Deviation: 200Hz to 10MHz


ARTM Waveform Specifications

Modulation Types:

ARTM Tier 0 (PCM/FM) to 25 M bit/s

ARTM Tier I (SOQPSK) to 50 M bit/s, 25 M baud/s

ARTM Tier II (Multi-H CPM) to 50 M bit/s, 25 M baud/s

Modulation Characteristics:

Premodulation Filtering per IRIG 106


Additional Features

Bit-Error-Rate Testing: Monitors Bit Error Rate for Returned Data of Internally Generated Data Patterns

AWGN Noise Generator: Adds Simulated AWGN to Output Waveform to Establish Accurate Eb/No or SNR Levels

Bit-Synchronizer: Auto-baud detect to adapt shaped waveforms and/or Modulation Indices.


Remote Status/Control Specifications

Serial RS-232 (10/100baseT Option)


Control Over All Configurable Parameters


Lock Status

Self-Test Status

Detailed Operational Information


Other Specifications


19" Rack Mountable, 1U (1.75"), 15" Depth


2 BNC For In-Phase and Quadrature or Monitor Ports

1 BNC for IF Output

1 15 PIN D for Differential Data/Clock Inputs/Outputs

4 BNC for TTL Data/Clock Input

1 9 PIN D for Remote Status/Control

RJ-45 for 10/100baseT (Option)

Standard 3 Prong Male Primary Power Input

Primary Power:

120 VAC (+/- 10%) 50-60 Hz


-25° TO 60° C Operational, -45° TO +65° C Storage

Humidity: To 95% non-condensing

Altitude: 15K feet AMSL (Operational), 50K feet AMSL (Storage)

* All specifications subject to change without notice or obligation to retrofit. Consult factory for custom options and/or alternate specifications



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