Northrop Grumman Compact CEESIM-VPX RF Signal Simulator
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Northrop Grumman Compact CEESIM-VPX is an RF/EW threat simulator with 20 MHz to 40 GHz frequency coverage, DDS synthesis, high-fidelity stimulus, and full CEESIM system compatibility.
Product details
| Model | COMPACT CEESIM-VPX |
| Manufacturer | Northrop Grumman |
| Category | RF & Microwave Signal Generators |
| Availability | Made to order |
Description
Overview
The Northrop Grumman Compact CEESIM-VPX is a cost-effective RF/EW (electronic warfare) threat simulator designed for testing and validating sophisticated electronic warfare equipment. Based on proven full-size CEESIM technology, the compact VPX configuration provides high-fidelity RF stimulus generation across a wide frequency range with a small footprint suitable for benchtop and mobile test environments including anechoic chambers and open-air ranges.
Key Features
- Frequency coverage from 20 MHz to 40 GHz with 1 Hz resolution
- Direct Digital Synthesis (DDS) frequency control for accurate, flexible stimulus generation
- High fidelity RF generation with complex intrapulse modulations
- Quick 0.5 microsecond tuning time for dynamic scenario testing
- Multiple emitter density up to 1 MPPS per channel
- Phase coherency across all emitters for synchronized multi-channel operation
- Up to 2 GB MOP (Modulation Operation Pattern) memory with external data streaming
- Full scenario and emitter compatibility with standard CEESIM systems
- Proven TRVAL validation on U.S. defense programs
- Optional Ultra-Low Band (ULB) and Millimeter Wave (MMW) frequency extensions
Technical Capabilities
- Frequency Accuracy: ±2 Hz across all bands
- Phase Noise at 1 MHz offset: -130 dBc/Hz (20 MHz–18 GHz), -125 dBc/Hz (18–40 GHz)
- Broadband Noise: -85 dBc/MHz typical across 20 MHz–40 GHz
- FM Deviation: ±500 MHz with ±1% accuracy
- Phase Modulation Resolution: 1 degree with ±2 degree accuracy
- Maximum MOP Sample Rate: 1280 MSPS for complex waveform playback
- No required emitter calibrations for quick deployment
Applications
- Electronic warfare (EW) system testing and validation
- Radar threat simulation and emitter modeling for system qualification
- Sub-assembly test stations and SIL (Software-in-the-Loop) environments
- Anechoic chamber and open-air range testing for EW platforms
- Integration testing on sophisticated U.S. defense programs
- Rapid prototyping and R&D for threat stimulus generation
System Configurations
- Single Channel: 0.5–18 GHz with single omnidirectional output port
- Dual Channel: 0.5–18 GHz with single omnidirectional output port
- Extended Frequency: 20 MHz–40 GHz single omnidirectional output (requires ULB/MMW RF slices)
- Advanced Multi-Port: 0.5–18 GHz with 4 ports for phase, amplitude, and TDOA outputs
Specifications
| Low Cost/Quick Delivery | Cost is comparable to other commercial small simulators, but with all the power and capabilities of our full-sized CEESIM. Quick turn delivery is available. |
| Small Footprint | CCVPX provides the greatest flexibility and expandability of any small EW simulator available. What takes racks full of other suppliers’ hardware can be done with a few desktop CCVPX chassis. |
| High Fidelity Performance | CCVPX is a DDS source capable of generating complex intrapulse modulations that can vary on a pulse-to-pulse basis, with proven accuracy to validate the parameter extremes in threat intelligence databases. CCVPX can also generate high emitter density (up to one MPPS/channel). |
| Compatibility | CCVPX maintains full scenario/emitter compatibility with all CEESIM systems and uses the same user interface, hardware modules and tools employed in full-sized CEESIMs. |
| Confidence | CEESIM is the established threat source used to validate all state-of-the-art EW platforms. CEESIM emitter modes have gone through multiple TRVALs on U.S. programs to validate they are true representations of the threat radar waveform. CCVPX has demonstrated support of all test environments, including: Sub-assembly Test Stations, SILs, Anechoic Chambers, and Open-Air Test Ranges. |
| Core Building Blocks | The Local Oscillator (LO) and Up-converter Direction Finding (UCDF) RF slice pair provides 0.5 to 18 GHz signal generation, and the core building blocks of the Compact CEESIM-VPX. Frequency extension RF slices are available to expand this base frequency coverage. The Ultra-Low Band (ULB) RF slice extends frequency range down to include 20 to 500 MHz and the Millimeter Wave (MMW) slice extends frequency range to include 18 to 40 GHz. |
| Benchtop Solutions | Benchtop solutions consisting of a single 3U VPX chassis are ideal for lower level test stations, anechoic chambers, and open air test ranges. |
| Emitter Modeling & Visualization | The CCVPX comes with software that allows the user to define even the most complex threat radar waveforms by specifying a sequence of segments that describe the radar’s behavior in frequency, PRI, pulse, and scan. Segments of each type can trigger the other segment types to advance in their sequences to produce an accurate progression of the waveform over time. The software includes the ability to graph twelve critical parameters of the simulated radar’s waveform to allow the operator to verify correct programming. The CCVPX software can define platforms for the simulated threat radars and the SUT. The motion of all platforms is modeled with full six degrees of freedom to allow dynamic modeling of terrain following and terrain blockage, as well as the calculation of angle of arrival effects for all signals at the SUT. |
| 3D Scenario Visualization and Editing | CEESIM offers 3D scenario visualization and editing capability, which displays the extent of threat domes and emitter activation state. The GUI display includes range and bearing from emitter to SUT. |
| Feature | Parameter |
| Frequency Control | Direct Digital Synthesis |
| Tuning Time | 0.5 usec |
| Frequency Accuracy | ±2 Hz |
| Phase Noise @ SUT Ports for 20 MHz - 18 GHz | 1 kHz offset: -95 dBc/Hz 10 kHz offset: -110 dBc/Hz 100 kHz offset: -120 dBc/Hz 1 MHz offset: -130 dBc/Hz 10 MHz Offset: -137 dBc/Hz |
| Phase Noise @ SUT Ports for 18 - 40 GHz | 1 kHz offset: ≤-92 dBc/Hz 10 kHz offset: ≤-107 dBc/Hz 100 kHz offset: ≤-117 dBc/Hz 1 MHz offset: ≤-125 dBc/Hz 10 MHz Offset: ≤-135 dBc/Hz |
| FMOP Deviation | ±500 MHz |
| FMOP Accuracy | ±1% |
| FMOP Unlock Offset | 0 Hz |
| PMOP Resolution | 1 degree |
| PMOP Accuracy | ±2 degrees |
| Maximum MOP Sample Rate | 1280 MSPS |
| MOP Pattern Playback Capacity | Capacity Memory: 2 GB Stream I/Q from External Data Source: Yes |
| Preserve MOP pattern with TDOA | Yes |
| Phase Coherency | All emitters |
| Required Emitter Calibrations | None |
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Northrop Grumman Compact CEESIM-VPX RF Signal Simulator
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