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Model SE-5315
8-Band RF Exciter & Test Signal Simulator
Wideband Integrated Multi-Mission Solution


  • Integrated Programmable Waveform Generator, Modulator, Noise Generator, Upconverter and BER Test System
  • RF Link and Range Setup, Testing and Operation
  • SatCom Science, and Military Missions
  • Supports ARTM PCM/FM and SOQPSK
  • SGLS and STDN Ground Stations
  • Mobile Tracking and Data Systems
  • Payload and Product Integration, Simulation and Testing

The SE-5315 Quad-Band RF Exciter & Test Signal Simulator combines a state-of-the-art high data rate digital wideband waveform modulator with a high performance radio frequency (RF) upconverter to produce transmission-ready signals in the Baseband, Upper L-, Lower L-, Range S-, Satellite Uplink S-, Satellite Downlink S-, and Range C1- (4 GHz) and Extended C2- (5 GHz) frequency bands. Alternately, C1- and C2- can be provided as P1- and P2-Bands for sites using CIF.

An advanced, digital implementation provides for the small form and fit while fully satisfying applications requiring ruggedized packaging, minimum power consumption, and high spectral purity. The design supports a multitude of complex digital formats for Satellite and ARTM Range use.

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 practical design of the SE-5315 Exciter supports link test and verification applications. A single SE-5315 can replace a BERT, waveform generator, vector modulator, upconverter, amplifier, noise source, attenuators, power meter, spectrum analyzer and a frequency converter. Combining these capabilities in one small, simple-to-use unit allows quick and accurate setup and testing without in-depth system knowledge.

An optional second, independently tunable modulated RF output may be used effectively with dual-polarized systems. Output power levels are adjustable from +10 dBm to -80 dBm in 0.1 dB steps for fine control and fade profiling.

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 SE-5315 can also optionally support a station clock input for external frequency reference.

The SE-5315 includes support for user-configurable Doppler simulation and satellite acquisition automation functions. Additionally, 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.

The firmware-intensive implementation of the SE-5315 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 SE-5315 RF Exciter 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.

Brochure: PDF

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Compact 2U chassis not requiring 3rd party Operating System or hard drive for increased reliability and security

Key Features

  • Single or Dual-RF Output RF Exciter for Baseband, Lower/Upper L-Band, Range and Satelite Uplink/Downlink S-Bands and either C1-/C2- (4/5 GHz) or P1-/P2-Band for sites using CIF.
  • Extended C2 (to 5250 MHz) for US or European use
  • Integrated Solution Replaces Separate Noise Source, Upconverter, Amplifi er, BERT and Hours of Calibration
  • Internal Rate and Pattern Generator including Single Error Insertion for a truly stand-alone telemetry test source
  • Programmable Frequency Sweep/Decay, Fade, Doppler
  • Programmable Noise for Eb/No and SNR measurements
  • Programmable Front Panel Ports for Setup and Monitoring
  • Dual Data Encoder with Convolutional Encoding, PCM Conversion, Scrambling, and Ranging Generation

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



Data Inputs

2 TTL Data/Clocks: 50 bps to 50 Mbps

2 Differential Data/Clocks: 50 bps to 50 Mbps

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)


Primary RF Output


1400-2600 MHz Continuously Tunable

4400-4490, 5091-5250 MHz (Optional)

400-459, 610-1150 MHz (Optional)

Frequency Resolution: 10 Hz

Output Level: +10 to -60 dBm

Step Size: 1 dB

Spurious: >-50 dBc (typical)

Phase Noise: <-85 dBHz at 10 KHz offset

Programmable Fade:

Range: 0.0 to -20.0 dB

Rate: 1 Hz to 10 KHz

Programmable Sweep and Frequency Decay:

Sweep Range: Up to ±50 MHz

Sweep/Decay Rate: 10 Hz to 1 MHz/sec.

Step Size: 10 Hz

Doppler Offset and Simulation: ±500 KHz


Secondary RF Output (Optional)


1400-2400 MHz Continuously Tunable

4400-4490, 5091-5250 MHz (Optional)

400-459, 610-1150 MHz (Optional)

Characteristics: Identical to Primary RF Output

Modulation Options:

Unmodulated CW

Modulated with Primary Waveform

Output Level: +10 to -60 dBm

Step Size: 1 dB

Spurious: >-74 dBc (typical)


Supported Waveforms


Phase Shift Keyed (PSK)

Frequency Shift Keyed (FSK)

Amplitude Shift Keyed (ASK)


Phase Modulation (PM)

Frequency Modulation (FM)

Amplitude Modulation (AM)




Others: Consult Factory


PM or PSK Waveform Specifications


Analog Modes: External In, Digital Modulator In

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

Modulation Rates: 50 sps to 25 Msps or Up to 12 MHz Analog Up to 50 Msps optional

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: 100 sps to 12 Mbps or Up to 12 MHz Analog

Deviation: 200 Hz to 12 MHz


AM or ASK Waveform Specif cations

Digital Mode: Binary ASK or OOK

Analog Modes: External In, Digital Modulator In

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

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


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

Dual PN Code Generators for Industry Standard Patterns or Ranging Signal Simulation

Bit-Synchronizer: Auto-baud detect to adapt shaped waveform and/or Modulation Indicies


Remote Status/Control Specifications

Serial RS-232, 10/100baseT (GPIB Optional)

Commands: Control Over All Configurable Parameters

Status: Lock, Self-Test, Detailed Operational Information


Other Specifications

Chassis: 19" Rack Mountable, 2U Height, 20" Depth


1 Type N for Primary RF Output

1 Type N for Secondary RF Output (Option)

2 BNCs for Monitor Ports (Front Panel)

8 BNCs For Data/Clock Inputs/Outputs

1 25 PIN D for Differential Data/Clock Inputs/Outputs

2 BNCs for Analog Input/Output

1 BNC for External Reference Input (Option)

1 BNC for Internal Reference Output (Option)

1 9 PIN D for Remote Status/Control

RJ-45 for 10/100baseT

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

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



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