Column Control DTX
Threat Simulator System

Threat Simulator System

Data Sheets

System Description

Keysight's threat simulator is a fully integrated system. A single rack provides 8 sources. Addition of a second identical rack expands the system to 16 sources. All sources are aligned in amplitude, phase and time using the Z2098B-172-408 calibration system.

Simulation Capability (Z2098B-171-408)

The Keysight threat simulator provides complete measurement capability for:

  • Best in class RF Vector sources
  • Thermal stabilization to reduce phase and amplitude variation due to environmental changes
  • Each source is capable of simulating multiple emitters
  • Creation of overlapping pulses is supported using multiple channels

Calibration Methods (Z2098B-172-408)

The Keysight calibration system provides calibration and verification of the threat simulator by aligning

amplitude, phase and time between the source rack and the System Under Test (SUT).

  • User guided calibrations for all measurement types
  • Non-intrusive in-situ phase and amplitude calibration and verification across multiple channels
  • Extremely fast amplitude/phase and time calibration
  • Verification software provided to validate calibration
  • Vector de-embedding to extend calibrations to your test interface
  • After calibration, data is uploaded to non-volatile correction tables in the sources.
  • In-situ calibration verifications for amplitude and phase whenever desired without disconnecting SUT
  • Only a single dimensional calibration is required to achieve the same results as the two-dimensional calibration on other systems
  • Acquisition of a full two dimensional calibration if desired

Mean Time To Repair (MTTR)

  • The use of Commercial Off The Shelf (COTS) equipment dramatically reduces the MTTR.
  • Typical MTTR for a single source failure is 30 minutes plus the time required to re-calibrate the system.

CalPod/Coupler Module In-Situ Calibration and Verification Concept

CalPods provide a way to quickly and easily refresh a network analyzer calibration, at the push of a button and without removing the SUT or re-connecting standards. This capability is used to enhance the accuracy of the source calibration.

The VNA is used to monitor the coupled source signal close to the SUT. Using CalPods, the VNA calibration can be refreshed as needed prior to a source rack amplitude and phase calibration to provide the best possible performance.

With the CalPods in place near the SUT inputs, the entire source calibration can be calibrated or verified while the SUT remains attached to the source.

Support to initialize the CalPods and characterize the couplers is provided by the System LevelCalibration (SLC) software included with the Z2098B-172-408 calibration rack.

System Software

The system comes with Windows 10 Pro, 64 bit ™ operating system, Keysight I/O libraries, Keysight TAP, TAP-SLC plugin, system specific calibration sequences and Thermal Control Utility.

Source Capabilities

  • High dynamic range agile power attenuator with fast pulsemodulation
  • AM, FM and phase modulation with wideband and narrowbandchirps
  • Spectral purity (low harmonics) (see URL for data sheet below)
  • Low Broadband noise (see URL for data sheet below)
  • Very low absolute phase noise for both sources (see URL for data sheet below)
  • Multiple user configurable markers and external triggers for synchronization with external events
  • Source control using PDWs streamed into system via 10Gb/s optical LAN
  • Individual sources in system are fed via 1000BaseT LAN
  • Phase synchronization between N5194A and N5193As

Calibrations

  • Exceptional phase, source match and amplitude accuracy. See M9804A-200 data sheet:

    https://literature.cdn.keysight.com/litweb/pdf/5992-3596EN.pdf?id=3026596
  • NIST traceable calibration using electronic calibration modules (Ecal) and power sensors.
  • Refreshable calibration of measurements at the SUT interface using CalPod® modules.

    This processcompensates for changes in the cable between the network analyzer and the CalPod®.
  • Excellent power level accuracy1: 0.25 dB RMS.
  • Excellent phase accuracy1: 2.5 deg RMS.
  • Excellent time accuracy1,2: 0.3 ns RMS

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