GORE® Space Cables and Assemblies: Symmetrical Interconnects
In space, signal speed and integrity can be the difference between mission success and failure. Small, lightweight and extremely flexible, GORE® Symmetrical Interconnects deliver transmission rates up to 1 Gbit/s while withstanding the harsh conditions of space.
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This document details the features and benefits of GORE® Space Cables and Assemblies Symmetrical Interconnects.
Improve Signal Transmission for Spacecraft Electronics
Signal speed and integrity are essential for effective communication among spacecraft components. Cables — the lifeline of data transmission — are often run through very tight spaces in the spacecraft. For cables to reliably maintain signal integrity, they need to be flexible, and they need to be tough.
GORE Symmetrical Interconnects offer the best combination available for spacecraft component connections: solid mechanical durability, and excellent signal integrity. Small, lightweight and extremely flexible, these balanced, single-twinax cables deliver data transmission rates as high as 1 Gbit/s to maintain outstanding signal integrity.
The cables meet the stringent requirements of ESCC-3902/002, and are listed on the ESA QPL (Qualified Parts List) — providing the quality assurance critical to mission success in outer space.
The Science Behind the Cables
ePTFE in our cables helps to reduce interference between electrical systems.
The key to the outstanding performance of Gore symmetrical interconnects is the proprietary material used in the cable insulation: expanded polytetrafluoroethylene (ePTFE).
By incorporating ePTFE into the cables, Gore is able to provide tight impedance control to reduce interference, with balanced transmission between separate lines within the cable. The microstructure of the ePTFE material makes Gore symmetrical interconnects lighter than other cables with comparable performance and minimizes the problems associated with balancing difficult mass budgets.
Features & Benefits
GORE Symmetrical Interconnects dependably feature:
- high signal speed up to 1 Gbit/s
- high density/reduced mass
- balanced, shielded lines
- high-speed link among units
By pairing these features with the material benefits of PTFE, our cables deliver:
- excellent compatibility among system components
- reduced costs for system integration and maintenance
- design flexibility of a modular system
- improved reliability from rugged materials used in construction
- valued reliability delivered from an ESA-qualified and a DIN EN ISO 9001:2000-certified manufacturing facility
Additionally, Gore’s worldwide engineering team provides sales and technical support. If you have any questions about GORE® Symmetrical Interconnects, please contact us.
Aboard spacecrafts, GORE Symmetrical Interconnects are typically used in:
- digital signal processors
- high-resolution cameras and sensors
- high-speed subsystem interconnects
To date, many critical missions have incorporated our symmetrical interconnects, including:
- European Remote Sensing Satellite (ERS1/ERS2)
- Polar Platform
- ENVISAT satellite
- XMM space observatory
- International Space Station (ISS)
All Gore symmetrical interconnects meet these technical specifications according to ESCC 3902/002 and are listed on the ESA QPL.
|Operating temperature range||-200°C to +180°C|
|Maximum temperature for short periods||260°C|
|Dielectric material||Expanded PTFE|
|Conductor construction||Concentric silver-plated copper|
|Operating voltage||100 V RMS|
|Maximum weight||36 g/m|
|Maximum diameter||5.2 mm|
|Bending radius||10 x outer diameter (repeated) or 6 x outer diameter (once)|
|Transmission Rate||Up to 1 Gbit/s|
|Maximum capacitance: conductor to conductor||68 pF/m|
|Part Number||Gauge Size (AWG)||Impedance (ohm)|
|GBL-100-22||22||100 (with drain wire)|
Learn more about GORE Symmetrical Interconnects in a data sheet and a white paper discussing the properties of cables that ensure peak electrical performance.
Posted September 27, 2022
W. L. Gore & Associates (Gore) announced today the addition of a new European distributor for its aerospace high-speed data cables. A.E. Petsche Company is now an authorized distributor for Gore’s entire selection of cables, including fiber optics, Ethernet, quadrax, HDMI, USB, shielded twisted pair, and more. Gore also offers higher-level cable protection systems and an abrasion-resistant cable jacket for packaging copper wires and cables.
Posted June 16, 2022
W. L. Gore & Associates (Gore) announced a new higher-frequency 40Ghz option for its GORE-FLIGHT® Microwave Assemblies. The new option will help EW and C5ISR users and customers who want to transport electrical signals reliably with minimal size, weight and power. The newest capability for GORE-FLIGHT Microwave Assemblies will allow for higher frequency applications that will offer low loss, high integrity and greater longevity cables.
April 3, 2022 - April 5, 2022
Come by Booth 305 to watch demonstrations so you can see the durability and flexibility of GORE® Aerospace Cables and Materials and how they continually outperform leading alternatives before and after installation and over time.
December 7, 2021 - December 8, 2021
Visit our Booth F16 to tell us about your latest airframe and aviation system developments and hear more about our solutions for the civil aerospace industry. We’re looking forward to meeting and talking in person again after so long!
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