DSP-1750 Fiber Optic Gyro

DSP-1500
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Groundbreaking Performance
The DSP-1750 delivers performance never before achieved in FOGs of similar size. Utilizing KVH’s new 170-micron E•Core ThinFiber, the world’s smallest D-shaped optical fiber, it delivers extremely low noise coupled with high bandwidth. This super-compact FOG offers input rates five times faster (choice of ±490°/sec or ±1000°/sec*) than KVH’s original DSP-1500, angle random walk an order of magnitude better than the DSP-1500, and bias stability previously only available in closed-loop fiber optic gyros and ring laser gyros.

Innovative, Versatile Design
Featuring a flexible design in which the 1.7" diameter optical sensor is separate from the control electronics, this two-piece design allows the sensor to be installed directly on the sensitive axis, while the control circuit cards can be integrated elsewhere. This innovative design makes the DSP-1750 easy to integrate into customer platforms where space and payload weight are at a premium. Available in both single- and dual-axis configurations, and in digital or analog outputs, the DSP-1750 is designed for a wide range of precision navigation, stabilization, and pointing applications where low noise and high performance across the entire range of operating temperatures are critical.

Ideal applications include long-range optical and sensor systems, gimbals, tactical missiles, autonomous vehicle navigation, and the stabilization of equipment and weapon platforms.

* The DSP-1750 is covered by one or more patents. Only the DSP-1750 High (1,000°/sec variant) is controlled by the Export Administration Act of 1979, as amended (Title 50, USC App 2401 et seq.) and its implementing regulations, the Export Administration Regulations, 15 CFR 730 et seq. Diversion contrary to U.S. law is prohibited.


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Brochures & Datasheets

FAQ

A:

At this time, the DSP-1750 only supports asynchronous outputs. However, our compact DSP-3000, DSP-3100, and DSP-3400 FOGs support synchronous outputs.

A:

The super-compact commercial FOG offers revolutionary performance levels for a unit its size, including:

• input rates 5x faster than KVH’s original DSP-1500 FOG
• angle random walk (ARW) 5x better than the DSP-3000 series
• bias stability 8x better than the DSP-3000 series, a level of performance previously only available in larger, more expensive closed-loop fiber optic gyros and ring laser gyros

For complete details, download the detailed datasheet from the commercial or military/government product pages.

A:

Not at this time. However, our DSP-3000, DSP-3100, and DSP-3400 offer both analog at digital outputs.

A:

Yes, the DSP-1750 is a commercial off the shelf (COTS) product. Please note, however, that the DSP-1750 High variant, which offers input rates as fast as 1000˚/second, is subject to the U.S. Department of Commerce Export Administration Act of 1979.

A:

KVH’s new E•Core ThinFiber is the world’s smallest D-shaped optical fiber - only 170 microns, a 30% reduction from our original E•Core polarization maintaining fiber. It’s an engineering breakthrough that enables the DSP-1750 to deliver a unique combination of both extremely low noise and very high bandwidth.

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Highlights

Take a tour of KVH's Fiber Optic Gyros
  • Innovative E•Core ThinFiber enables extreme accuracy in ultra-compact size
  • Angle random walk ≤0.013°/√hr
  • ±490°/sec and ±1000°/sec* input rate options delivering very high bandwidth
  • Superior bias stability of ≤0.05°/hr
  • Digital or analog outputs; single- and dual-axis configurations
  • Magnetically shielded option
  • Excellent scale factor and linearity in compact size offers high performance for applications with size and weight restrictions

Featured Options

  • Available with digital or analog outputs, the DSP-1750 offers both single- and dual-axis configurations to support a wide range of applications and installation requirements.
  • Magnetically shielded variants are available for the single- and dual-axis DSP-1750 for superior performance in magnetically aggressive environments.
  • The DSP-1750’s two-piece design enables outstanding installation flexibility.

Exclusive Technology

  • E•Core ThinFiber
    KVH’s proprietary polarization maintaining E•Core ThinFiber delivers outstanding precision performance in much smaller size gyros, such as the DSP-1750. By reducing the overall diameter of KVH’s standard E•Core fiber to just 170 microns (a 30% reduction!), the resulting E•Core ThinFiber dramatically increases the accuracy of our standard size gyros, and produces small gyros that deliver extremely high bandwidth and low noise.
  • DSP Technology
    KVH’s Digital Signal Processing (DSP) electronics improve fiber optic gyro performance in such critical areas as scale factor and bias versus temperature, scale factor linearity, turn-on to turn-on repeatability, and maximum input rate. The innovative DSP design is covered by multiple patents and overcomes the limitations of analog signal processing, virtually eliminating temperature-sensitive drift and rotation errors.

White Papers & Case Studies

  • Learn more! Download and read our free white papers for more details about KVH’s fiber optic gyro technology.

Manuals

* To access these manuals, you will be required create an account and/or login to the KVH Customer Support portal.

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