In the fields of intelligent equipment and aerospace, data bus cables undertake the core function of signal and data transmission. Unlike ordinary wires and cables, the electrical performance of data bus cables directly determines the reliability of system communication. Shanghai Shenyuan Special Cable Co., Ltd. has been deeply engaged in the special‑cable industry for nearly 30 years, and has built a full‑range product portfolio of data‑bus cables covering mainstream protocols including CAN Bus, 1553B, aerospace‑grade 100‑Mbps Ethernet, LVDS, IEEE1394B and SpaceWire. Below is a brief analysis of core indicators combined with several product types.
Characteristic impedance is the most critical electrical parameter for data cables. During signal transmission, signals can be completely delivered to the receiving end if the cable impedance remains consistent. Once impedance changes abruptly, signal reflection will occur, resulting in waveform distortion, attenuation and even data errors. Therefore, precise control of characteristic impedance lies at the heart of data‑cable design and manufacturing.
CAN Bus Data Cable
CAN Bus is widely used in industrial control, on‑board vehicle systems and sensor networks. It features strong real‑time performance, long transmission distance and good anti‑interference capability.
Shenyuan CAN Bus data cables feature characteristic impedance of 120±15 Ω, attenuation no more than 4 dB per 30 meters at 1 MHz, and an operating temperature range of ‑90 ℃ to +200 ℃, adapting to harsh industrial environments ranging from extreme cold to high temperature.
1553B Data Bus Cable
The 1553B bus serves as the core communication standard for avionics systems, widely deployed in transport aircraft, airliners and aerospace systems. It boasts bidirectional transmission, high real‑time performance and high reliability.
Shenyuan 1553B data bus cables offer characteristic impedance of 75±10 Ω, attenuation no more than 2 dB per 100 meters at 1 MHz, and support frequencies up to 50 MHz. Operating temperature ranges from ‑55 ℃ to +200 ℃, with insulation resistance reaching 1500 MΩ·km.
Aerospace‑Grade 100‑Mbps Ethernet Cable
Specially designed for electronic communication systems of satellites, radars, space stations and other spacecraft, suited to space environments such as vacuum and radiation.
Shenyuan aerospace‑grade 100‑Mbps Ethernet cables have characteristic impedance of 100±10 Ω, operating temperature of ‑50 ℃ ~ +200 ℃. For the 24 AWG gauge, attenuation shall not exceed 20 dB per 100 meters at 100 MHz, and propagation delay is controlled within 600 ns per 100 meters.
LVDS High‑Speed Data Cable
LVDS is a high‑speed differential‑signal transmission technology with high transmission rate, low power consumption and strong noise immunity. It is widely adopted in aerospace applications such as missile systems and navigation observation equipment.
Shenyuan LVDS high‑speed data cables come in two characteristic‑impedance options: 120±15 Ω and 100±10 Ω. Propagation delay is kept within 5.3 ns per meter, with operating temperature from ‑50 ℃ to +200 ℃.
IEEE1394B Data Bus Cable
IEEE1394B (FireWire 800) is a high‑performance serial‑bus interface working up to the 1 GHz frequency band with a maximum data rate of 2 Gbps. It applies to data interconnection among high‑speed transmission devices.
Shenyuan IEEE1394B series delivers characteristic impedance of 110±10 Ω. For 24 AWG cables, attenuation shall not exceed 84 dB per 100 meters at 1000 MHz; propagation delay stays within 4.7 ns per meter.
SpaceWire Data Bus Cable
SpaceWire is a standard bus dedicated to high‑speed data transmission for spacecraft. It supports high data rates and complex network topologies, featuring light weight, low attenuation and low time delay.
Shenyuan SpaceWire series has characteristic impedance of 100±10 Ω. Attenuation ≤ 0.50 dB/m at 100 MHz and ≤ 1.00 dB/m at 500 MHz; propagation delay is within 4.7 ns per meter.
Technical indicators of data cables correspond directly to real‑world engineering requirements: characteristic impedance determines whether signals can arrive intact; attenuation sets the upper limit of transmission distance; propagation delay governs system response speed; and temperature rating ensures long‑term reliable operation of equipment under extreme conditions.
Drawing on nearly 30 years of R&D and manufacturing experience in special cables, Shanghai Shenyuan Special Cable Co., Ltd. keeps advancing in the field of data‑bus cables, and provides highly reliable data‑transmission solutions for intelligent‑equipment and aerospace industries.
Please feel free to contact us for detailed product documentation or discussion on customized matching solutions.