MX 11769 Image Intensifier Tube

MX 11769 Image Intensifier Tube | Gen 3 GaAs Technology with Auto-Gating & Manual Gain Control for Professional Night Vision Systems

The MX 11769 Image Intensifier Tube represents MHNV®'s flagship Gen 3 light amplification technology engineered for demanding low-light operations. Built on high-efficiency Gallium Arsenide (GaAs) photocathode architecture, this 18mm format tube delivers Figure of Merit (FOM) ratings from 1600 to 2400+, with resolution reaching 64–72 lp/mm and Signal-to-Noise Ratios (SNR) exceeding 22–32+. The integrated pigtail enables real-time manual gain adjustment, while auto-gating circuitry instantly adapts to urban lighting transitions—preventing image blooming and extending Mean Time To Failure (MTTF) beyond 10,000 hours. Manufactured by Xi'an MH Electronics And Technology Co., Ltd. under ISO 9001:2015 and MIL-STD-810 environmental protocols, each unit ships with serialized QC documentation covering EBI (≤0.25), halo diameter, and zone-specific spot defect mapping. Standard lead times are 3–7 days for stock configurations.

What Makes the MX 11769 Image Intensifier Tube the Preferred Choice for Professional Night Vision?

Modern low-light scenarios demand tubes that respond instantly to dynamic illumination. The MX 11769 answers this challenge through three core innovations.

First, its GaAs photocathode captures near-infrared photons at extreme efficiency—operating effectively below 10⁻⁴ lux—enabling clear vision in sub-starlight conditions. Second, the external pigtail provides tactile gain adjustment without menu navigation, critical when operating under stress. Third, high-speed auto-gating cycles power to the photocathode in microseconds, protecting the Microchannel Plate (MCP) from sudden bright-light exposure while preserving resolution integrity.

MHNV® validates every tube through Equivalent Background Illumination (EBI) testing, luminous halo measurement (≤0.85mm), and environmental stress screening. This 12-year veteran manufacturer controls the full stack—from optical coating selection and MCP integration to FPGA-based power management—ensuring repeatable performance across units. Whether you select P45 white phosphor for enhanced contrast or P43 green for extended observation, each configuration ships CE, RoHS, and FCC certified.

Technical Specifications

Key Performance Advantages That Set the MX 11769 Apart

Next-Generation Clarity & Durability

The 18mm Gen 3 architecture combines Ion Barrier Film protection with a vacuum-sealed housing. This construction resists thermal shock and maintains photocathode quantum efficiency across altitude and humidity extremes. Rigorous vibration and drop testing validate ruggedness for continuous field deployment.

Smart Light Adaptation

Auto-gated models prevent the dreaded "white-out" effect when transitioning from darkness into urban streetlight zones. The gating circuit toggles at sub-millisecond intervals, preserving MCP longevity and ensuring uninterrupted situational awareness. You'll never lose target acquisition during sudden light changes.

User-Adjustable Brightness

The pigtail wire places gain control directly in your hands. Fine-tune luminance to match ambient conditions—reduce eye strain during prolonged surveillance or boost gain when cloud cover deepens. No menu diving; just tactile, instant adjustment that fits your operational tempo.

Extensive Configuration Options

MHNV® offers white or green phosphor, gated/non-gated/auto-gated variants, and FOM tiers from 1400 to unlimited. Match your exact operational profile—whether you're conducting search-and-rescue in maritime haze or passive wildlife monitoring without active IR illuminators. Custom ODM firmware, optical coatings, and housing redesigns are available for bulk orders.

Quality Assurance & Manufacturing Excellence

MHNV® operates Class-10,000 cleanrooms for MX 11769 Image Intensifier Tube calibration, backed by SMT production lines and metrology laboratories. Every tube undergoes a rigorous inspection protocol:

1. Spot Specification Test: Zero-tolerance for defects in Zone 1; full mapping of Zones 2 and 3 against MIL-SPEC thresholds.
2. EBI Measurement: Confirms lowest light threshold meets <0.25 specification.
3. Halo Diameter Check: Ensures bright-light halo remains below 0.85mm for clarity around light sources.
4. Burn-In & ESS: High-temperature operation cycles and vibration simulations validate vacuum seal integrity and MCP stability over 10,000+ hours.

Each unit ships with a serialized data sheet documenting resolution, SNR, FOM, EBI, and environmental compliance. This traceability supports export control documentation and end-user audits.

Primary Application Scenarios for the MX 11769

Law Enforcement & Tactical Operations

The MX 11769 serves as the core component of PVS-14 monoculars and F5032 platforms. Manual gain control lets operators quickly adapt to indoor CQB lighting versus outdoor rural patrols, maintaining target identification at extended ranges.

Search & Rescue Missions

In maritime or mountainous SAR environments, rescuers face mixed lighting—flare glare, headlamp reflections, and ambient starlight. The pigtail gain adjustment mitigates these challenges, while auto-gating protects the tube from sudden illumination sources like helicopter spotlights.

Surveillance & Wildlife Observation

High-end security integrators and scientific researchers value passive monitoring without active IR signatures. The MX 11769's sub-10⁻⁴ lux sensitivity enables covert long-duration observation, and adjustable gain reduces eye fatigue during multi-hour shifts.

Custom OEM & ODM Solutions from MHNV®

MHNV® supports comprehensive customization across the MX 11769 platform. Choose phosphor color, FOM tier, and gating mode to fit your operational requirements.

Our in-house engineering teams deliver:

• Optical Customization: Magnification adjustment, field-of-view optimization, focal-length design, and anti-reflective coating selection.
• Firmware Customization: Multilingual UI, gain-curve tuning, wireless video streaming, and custom overlay graphics.
• Mechanical Design: Aluminum/magnesium alloy or polymer housings, logo engraving, IP-rated protection, and ergonomic grip redesigns.
• Packaging & Documentation: Branded boxes, multilingual quick-start guides, serialized test reports, and export compliance sheets.

Minimum order quantities start at 10 pieces for IIT products, with volume discounts and NDA protection for OEM projects. Lead times are 15–25 days for ODM samples and 30–45 days for mass production.

FAQ

Q: What's the difference between MX 11769 and MX 10160 Image Intensifier Tube?

A: The device allows for external pigtail for live, manual brightness control, so operators may tweak gain as ambient circumstances change, which is imperative in urban or mixed-light applications. The MX 10160, conversely, has a fixed-gain architecture that is optimised for dual-tube goggle systems like the PVS-7, where uniformity of luminance in both eyepieces is more critical than individual control. The MX 11769 pigtail design offers additional tactical versatility with only a little increase in housing complexity and weight.

Q: Can an MX 11769 be retrofitted into an MX 10160 configuration?

A: Technically you can do a conversion by cutting the pigtail wire and soldering in a precision resistor to set a fixed gain setpoint. However this often breaks the manufacturer warranty and has to be done in a cleanroom to not contaminate the vacuum seal. To ensure QC traceability and long-term reliability, MHNV® suggests selecting the right tube model right away. DIY alterations risk EBI spikes or halo artefacts that threaten operational safety.

Q: What does the auto-gating function do to help the operation of the MX 11769?

A: Auto-gating rapidly cycles the photocathode voltage in microsecond intervals, dynamically lowering the electron flow when the Microchannel Plate detects incoming strong light such as car headlights or muzzle flashes, thus preventing image blooming and physical damage to the phosphor screen. This function provides a tube life in excess of 10,000 hours and maintains the integrity of resolution when transitioning from pitch-black rural areas into lighted urban areas, providing constant situational awareness without human intervention.

Q: What is the benchmark for tube performance in the industry? A: The Figure of Merit.

A: FOM is a single numeric measure derived by multiplying line-pair resolution (lp/mm) by the Signal-to-Noise Ratio (SNR) that connects directly with actual picture clarity and export control categories. Simply put, a higher FOM means better fine detail detection at distance, and better low contrast target separation. For this reason, procurement specifications generally require minimum FOM thresholds (e.g. 1600+ for commercial applications, and 2000+ for professional grade systems). MHNV® offers a range of FOM options from 1600 to 2400+ to accommodate various budgets and mission requirements.

Q: How long will the phosphor screen maintain optimal brightness?

A: The P43 green and P45 white phosphor screens in the product provide luminous efficiency for 10,000 to 12,000 hours under normal operating duty cycles (intermittent use with proper gain management and protection from continuous bright-light exposure) before any measurable gain degradation occurs. MIL-STD accelerated ageing tests provide MTTF stability from -51°C to +49°C temperature extremes, providing predictable lifecycle costs for fleet operators and OEM integrators.

Contact MHNV® for MX 11769 Specifications & Pricing

Ready to integrate the MX 11769 Image Intensifier Tube into your next-generation night vision platform? Email us at sarah@mh-elec.com to start your project.