In the rapidly evolving landscape of telecommunications, Belden 1694A stands out as a crucial component for high-performance video and audio applications. This guide delves into the significance of this cable in China, where technological advancements demand reliable and efficient connectivity solutions.
Readers can expect to explore the technical specifications, applications, and advantages of Belden 1694A. Additionally, we will discuss its role in various industries, including broadcasting, security, and data transmission, highlighting its impact on modern communication systems.
By the end of this guide, you will gain a comprehensive understanding of Belden 1694A, its market presence in China, and best practices for installation and maintenance. This knowledge will empower you to make informed decisions regarding your connectivity needs in an increasingly digital world.
Belden 1694A Coaxial Cable: A Comprehensive Guide
Belden 1694A is a popular coaxial cable renowned for its low-loss signal transmission, making it ideal for high-definition video applications. This guide delves into its technical specifications, variations, and applications, providing a comprehensive overview for professionals and enthusiasts alike. You can find more information on Belden’s official website, www.belden.com, and their online catalog, catalog.belden.com. Distributor information is also available on these sites. Another reliable source for Belden 1694A is cn.element14.com.
Understanding Belden 1694A’s Technical Features
The Belden 1694A boasts several key features contributing to its performance and reliability. It’s a 75-ohm cable, crucial for impedance matching in video systems, minimizing signal reflections and maximizing signal integrity. The solid bare copper conductor ensures low resistance and efficient signal transmission. The cable uses a combination of foil and braid shielding for superior protection against electromagnetic interference (EMI). This helps maintain signal quality even in noisy environments. The PVC jacket provides durability and protection against physical damage. The CMR rating indicates its suitability for use in many environments. Detailed specifications are available on catalog.belden.com.
The following table summarizes the key technical specifications:
| Feature | Specification |
|---|---|
| Impedance | 75 ohms |
| Conductor | 18 AWG Solid Bare Copper |
| Insulation | PE (Polyethylene, Foam) |
| Shielding | Foil + 95% Tinned Copper Braid |
| Jacket | PVC |
| Overall Diameter | 0.274 in (6.96 mm) |
| UL Voltage Rating | 300V (CMR, CMG) |
| Operating Temperature Range | -30°C to +75°C |
| Max. Pull Tension | 69 lbs (31 kg) |
| Applications | Digital Video, 6 Gb/s UHDTV, HD-SDI 1080p |
| Compliance | CMR, CMG, RoHS, REACH, WEEE, etc. |
Variations of Belden 1694A
Belden offers the 1694A in various lengths and colors, catering to diverse project requirements. These variations don’t alter the core technical specifications but provide flexibility in choosing the right cable for specific needs. The different colors help in identification and organization within complex cabling systems. You can explore the available part numbers and their corresponding specifications on catalog.belden.com. Additional information may also be found on cn.element14.com.
The following table shows the common variations:
| Color | Length Options (Examples) | Reel Type |
|---|---|---|
| Black | 152m, 305m, 500ft, 1000ft | Reel, ReelTuff Box, Reel w/Small Barrel |
| Blue | 305m, 1372m, 1000ft | Reel, ReelTuff Box |
| Green | 152m, 305m, 1372m, 4000m | Reel |
| Orange | 305m, 1000ft, 1372m | Reel, ReelTuff Box |
| Red | 305m, 1000ft, 1372m | Reel, ReelTuff Box |
| Violet | 305m, 1000ft, 1372m | Reel, ReelTuff Box, Reel w/Small Barrel |
| White | 305m, 1000ft, 1372m | Reel, ReelTuff Box, Reel w/Small Barrel |
| Yellow | 305m, 1000ft, 1372m | Reel, ReelTuff Box, Reel w/Small Barrel |
Detailed part numbers are available on catalog.belden.com and catalog.belden.com.
Conclusion
Belden 1694A is a high-quality coaxial cable suitable for demanding video applications. Its robust construction, excellent shielding, and low-loss characteristics ensure reliable signal transmission. The availability of various lengths and colors enhances its versatility. Whether sourced from www.belden.com, catalog.belden.com, or cn.element14.com, the 1694A remains a dependable choice for professionals.
FAQs
1. What is the main application of the Belden 1694A cable?
The Belden 1694A is primarily used for high-definition video transmission, supporting formats like 6 Gb/s UHDTV and HD-SDI 1080p. Its low-loss characteristics make it ideal for long-distance signal transmission.
2. What type of shielding does the 1694A have?
The 1694A features a dual-layer shield: a foil layer (Duofoil) for effective electrostatic shielding, and a 95% coverage tinned copper braid for electromagnetic interference (EMI) protection.
3. What is the difference between CMR and CMG ratings?
CMR (Riser) and CMG (General Purpose) are classifications based on flammability. CMR cables are suitable for vertical cable runs, while CMG cables are for general-purpose installations. The 1694A is rated as both CMR and CMG.
4. Is the Belden 1694A suitable for outdoor use?
Yes, the black version of the Belden 1694A cable is rated for outdoor use. However, proper support (e.g., messenger wire for aerial applications) might be required depending on the installation method.
5. Where can I find more detailed specifications and part numbers?
Comprehensive technical data sheets, including detailed specifications and complete part number listings, are available on Belden’s online catalog at catalog.belden.com and catalog.belden.com. You can also find information on cn.element14.com.