EON Instrumentation Interference Blanker Units (IBUs)
How It Works
EON’s Interference Blanker Units (IBUs) take pulse inputs from several transmitters. They create accurate suppression pulse outputs to protect sensitive receivers from interference. These systems ensure reliable signal management across a variety of operational environments.
Key Features
Flexible Signal Handling: Supports a wide range of voltage levels and pulse frequencies, with adjustable output triggering thresholds.
Configurable Output Signals: Suppression pulse width and delay can be combined and configured across one or more outputs.
ARINC-Compatible: Bidirectional inputs/outputs support ARINC bus connections.
Dynamic Input Control: Discrete inputs can dynamically enable or disable specific blanking inputs using a customisable blanking map.
Per-Channel Adjustments: Each IBU channel allows for individual threshold, pulse width, and delay tuning.
User-Friendly Configuration: You can adjust settings based on the model. Some models use onboard potentiometers. Others connect to a computer workstation. This workstation creates and downloads a blanking map to the unit’s memory.
Customisable Interfaces: Connector types and impedance levels can be tailored to meet system requirements.
Military-Qualified Design
EON IBUs tested and qualified to meet rigorous military and aerospace standards such as:
MIL-STD-810 (Environmental)
MIL-STD-461 (EMI/EMC)
MIL-STD-704 / MIL-STD-1275 (Power Requirements)
MIL-STD-901D (Shock)
DO-160 (Avionics Environmental Conditions)
And other applicable specifications
Power Options
28 VDC (18–36 V): Ideal for compact, airborne systems
115 VAC, 60 Hz, 3-Phase: Suitable for larger, shipboard installations
Deployed Systems
EON’s Interference Blanker Units integrated into numerous military programs, including:
US Navy Surface Ships: AEGIS Electronic Warfare Control – PCAB IBU
Foreign Naval Platforms: BCU-101B
P-3 Aircraft: Interference Signal Blanking Control – PIBU-102, BCU-101
Plus many other installations worldwide.
Why Choose EON Instrumentation?
Proven Expertise: Over two decades of experience designing and delivering radar blanking units for shipborne and airborne Defence platforms.
Engineering Capability: Skilled in new product development, modifications, upgrades, and reverse engineering.
Global Reliability: Operational in military platforms across the globe.
Local Support: Metromatics provides sales and technical support for EON Instrumentation products throughout Australia and New Zealand.
Upgrading Signal Integrity in Combat Systems
If you’re working with high-speed video or radar signal chains in military applications, interference mitigation is critical. Discover how the new PCAB Interference Blanking Technology is used in AEGIS-equipped naval platforms. This technology helps reduce unwanted RF signals and improve system performance. Read more about this $7M technology upgrade and its applications.
Contact us today for more information on EON’s Interference Blanker Units or to discuss your specific application requirements.
Potentiometer Adjustable IBU’s
| Model | Std Signal Type | Std. Connector | Inputs | Outputs | Unique Features |
| BCU-101/A, D | TTL | BNC | 5 S/E | 2 Composite | For Airborne Platforms |
| BCU-102 | TTL | BNC | 12 S/E | 8 S/E + 1 Composite | Various Platforms |
| BCU-103 | Various | MILS | 9 S/E | 5 Composite | Special Mission Aircraft |
| BCU-104 | TTL | BNC | 16 S/E | 8 S/E + 1 Composite | For Radar Ground Stations |
Computer Programmable IBU’s
| Model | Std Signal Type | Std. Connector | Inputs | Outputs | Unique Features |
| PIBU-102 | TTL | BNC | 18 S/E | 18 S/E + 2 Composite | Uses field workstation computer |
| PCAB | TTL / LVDS | N-Type | 31 S/E | 93 S/E + 8 Composite | Pre Trigger Converter and Blanking for Surface Ship AEGIS EW Control |
| BCU-102A-1 | TTL | TNC, MILs | 4 Std / 4 bidir | 4 Std / 4 bidir | Disable discretes x 4 |
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