GORE® Space Cables and Assemblies: LVDS Interconnects
Space mission success depends on spacecraft systems being able to continuously transmit data. GORE® LVDS Interconnects deliver outstanding signal integrity, reduced time delay and minimized interference to ensure data is reliably captured and communicated.
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Overview
Increase Data Integrity Among Electrical Systems
Data integrity is key to maintaining communication among spacecraft systems during a mission. The cables that connect the systems have a direct impact on the quality of the data and the speed of transmission. GORE® Low Voltage Differential Signaling (LVDS) Interconnects offer excellent signal integrity due to the combination of their robust design and their outstanding electrical performance, and are listed on the ESA QPL (Qualified Parts List).
GORE LVDS Interconnects reduce time delay and skew of signal transmission, while consuming less power and minimizing electromagnetic interference. Their small size and minimum bending radius allow for easy installation in tight spaces. Their light weight decreases mass, thereby reducing the amount of energy needed to launch the vehicle into space. The high number of individual lines available in each bundle increases the cable’s flexibility and makes it easier to route the cable.
The Science Behind the Cables
The key to the outstanding performance of GORE LVDS Interconnects is the proprietary material used in the cable insulation — expanded polytetrafluoroethylene (ePTFE). This high-performance insulation provides excellent signal control for applications where tight impedance control is necessary. Expanded PTFE is both chemically inert and thermally stable, which allows GORE LVDS Interconnects to be used in tight spaces without compromising the strength and quality of signal transmission.
Features & Benefits
GORE LVDS Interconnects dependably feature:
- tightest-available 100 ohm impedance of individual signal pairs
- low signal attenuation and crosstalk
- good EMC performance
- Twinax design based on ESA 3902/002
- multiple connector options
- frequencies up to 3 Gbit/s range
- vibration and shock resistance through QTP performance
By pairing these features with the material benefits of PTFE, our cables deliver:
- excellent signal integrity, minimum noise, tight impedance control and outstanding EMC performance
- high transmission speed from synchronously matched interfaces
- outstanding clock synchronization between individual lines that distribute time-sensitive signals
- easier installation resulting from small size and tighter bending radius
- valued reliability delivered from an ESA-qualified and a DIN EN ISO 9001:2008-certified manufacturing facility
Additionally, Gore’s worldwide engineering team provides sales and technical support. If you have any questions about GORE LVDS Interconnects, please contact us.
Applications

Our LVDS interconnects are frequently used in interbox connections. (Image: ESA)
Aboard spacecrafts, GORE LVDS Interconnects are typically used in:
- narrow-band interconnections
- interbox connections
- wideband interconnections
To date, many critical missions have incorporated our LVDS interconnects, including:
- INMARSAT4
- SKYNET5
- China Satellite
For more than 25 years, we’ve provided highly reliable cable solutions for the space industry. The 100% success rate of our cables demonstrates our commitment to collaborating with customers when developing reliable and durable cables for these demanding applications.
Specifications
All GORE LVDS Interconnects meet these technical specifications according to ESCC 3902/002, and are listed on the ESA QPL.
Property | Value |
---|---|
Operating temperature range | -200°C to +180°C |
Maximum temperature for short periods | 260°C |
Outer jacket | PFA |
Conductor construction | Concentric silver-plated copper |
Operating voltage | 200 V RMS |
Impedance | 100 ohms ± 4 ohms |
Bending radius | 10 x outer diameter (repeated) or 6 x outer diameter (once) |
Transmission Rate | Up to 3 Gbit/s |
Maximum time delay (pair) | 4.30 nsec/m |
Maximum conductor time delay difference | 0.1 nsec/m |
Maximum capacitance: conductor to conductor | 47 pF/m |
Maximum capacitance: conductor to shield | 79 pF/m |
Ordering Information
GORE LVDS Interconnects vary by gauge size, outer diameter weight, and typical loss–attenuation. Refer to your application to determine the appropriate part number, and please contact us with any questions.
Part Number | Guage Size (AWG) | Outer Diameter (mm) | Weight (g/m) | Typical Loss – Attenuation at 100 Meters (in dB) | ||||
---|---|---|---|---|---|---|---|---|
20 MHz | 100 MHz | 400 MHz | 600 MHz | 1,000 MHz | ||||
GSC-05-82561-00 | 22 | 5.2 | 37.0 | 9 | 20 | 39 | 48 | 63 |
GSC-05-82559-00 | 24 | 4.3 | 26.0 | 11 | 25 | 49 | 61 | 79 |
GSC-05-81973-00 | 26 | 3.1 | 18.0 | 17 | 36 | 68 | 83 | 108 |
GSC-05-82560-00 | 28 | 2.8 | 17.0 | 20 | 43 | 85 | 104 | 135 |
GSC-05-82292-00 | 30 | 2.2 | 13.5 | 25 | 54 | 107 | 131 | 169 |
Resources
Learn more about GORE LVDS Interconnects in a data sheet and a white paper discussing the properties of cables that ensure peak electrical performance.
Recent News
Press Release
W. L. GORE & ASSOCIATES TO PRESENT NEW MOSA PAPER AT GVSETS CONFERENCE
Posted August 11, 2023
W. L. Gore & Associates (Gore) will present a new Modular Open Systems Approach (MOSA) technical paper at the Ground Vehicle Systems Engineering & Technology Symposium & Modernization Update (GVSETS) on Tuesday, August 15, in Novi, Mich.
Visit our Booth 2C-C358 to see GORE® Cables and Materials that have been proven and trusted over time in fighter jets, rotorcraft and passenger airliners. Reserve your time slot now for a 1-on-1 discussion to talk with us about your latest airframe and aviation system developments.
Event
Visit Gore at the Army Aviation Mission Solutions Summit (AAAA)
April 26, 2023 - April 29, 2023
Stop by Booth 1023 and ask to see our demonstrations to watch how GORE® Cables and Materials perform reliably before and after installation and over time. We’re also eager to hear about your latest airframe and aviation system developments and talk with you about our solutions to ensure mission performance and aircrew protection for FARA, FLRAA and enduring fleet.
Press Release
W. L. Gore & Associates Expands High-Speed Data Transmission Capabilities
Posted April 18, 2023
W. L. Gore & Associates (Gore) announced today its new Cat8 ethernet cable for use in aerospace and defense platforms. The new Cat8 ethernet cable allows for four times the high-speed data transmission previously possible.
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