GORE® Space Cables and Assemblies, LVDS Interconnects
Space mission success depends on spacecraft systems being able to continuously transmit data. LVDS Interconnects from Gore 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 Space Cables and Assemblies, LVDS (Low Voltage Differential Signaling) 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).
These 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 our 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 these Interconnects to be used in tight spaces without compromising the strength and quality of signal transmission.
Features & Benefits
GORE Space Cables and Assemblies, 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 interconnects 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 our LVDS Interconnects, please contact us.
Applications
Aboard spacecrafts, GORE Space Cables and Assemblies, 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
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 Space Cables and Assemblies, 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 Space Cables and Assemblies, 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 Space Cables and Assemblies, LVDS Interconnects in a data sheet and a white paper discussing the properties of cables that ensure peak electrical performance.
Recent News
W. L. Gore & Associates High Performance Aerospace Wires Set Gold Standard With Industry Award
Posted November 5, 2021
W. L. Gore & Associates (Gore) announced today that its GORE® High Performance Aerospace Wires, GWN3000 Series, were recognized among the 2021 Military & Aerospace Electronics Technology Innovators Awards. An independent panel of esteemed judges from the aerospace and defense community recognized Gore as a gold honoree for the second consecutive year. The company’s PHASEFLEX® Microwave/RF Test Assemblies were recognized in 2020.
Press Release
GORE® Jolts Emerging Electric Aviation Market with New High-Performance Aerospace Wires
Posted October 15, 2020
W. L. Gore & Associates announced today a new solution that meets higher voltages as the trend continues towards aircraft electrification to reduce the impact of air transport on our environment. GORE® High Performance Aerospace Wires, GWN3000 Series, deliver the best combination of superior mechanical strength and outstanding electrical reliability without increasing wire bundle size or weight.
Learn more about GORE® Space Cables and Assemblies engineered for the future of the space industry. Also, listen to our expert speak at the show on Thursday, October 17 at 11:00 am CEST.
Press Release
Gore Premiering New Portfolio of Qualified Solutions at 2019 NewSpace Show
Posted October 8, 2019
Gore will be showcasing a new portfolio of qualified GORE® Space Cables and Assemblies at the 2019 NewSpace Show in Monaco on October 17-18.
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