HD 351.5 S1:1986

Overview

HD 351.5 S1:1986 is a CLC standard that specifies the geometrical configuration of rigid precision coaxial lines and the necessary provisions for mounting connectors, focusing on 50 ohm, 3.5 mm rigid precision coaxial lines. This standard aligns with IEC 60457-5:1984 and ensures compatibility and interchangeability in the telecommunication and measurement industries. Standardization of these components supports reliable, high-precision signal transmission, making it particularly valuable for applications requiring low signal loss and stable electrical performance.

Key Topics

• Geometrical Configuration:
  Outlines precise dimensional requirements for the 50 ohm, 3.5 mm rigid coaxial line, including diameters, tolerances, and critical measurements to ensure uniformity and compatibility.

• Connector Mounting Provisions:
  Details the necessary features, such as threads and mounting interfaces, allowing precise connectors to be securely attached to the coaxial line with minimal signal degradation.

• Interchangeability:
  Ensures that components manufactured to this standard can be seamlessly integrated with other compliant equipment, facilitating international interoperability.

• Quality and Reliability:
  Supports consistent product quality, minimizes signal loss, and maintains electrical and mechanical integrity during use in high-frequency applications.

Applications

The HD 351.5 S1:1986 standard is widely applied in the following sectors:

• Telecommunications:
  Used in radio frequency transmission infrastructure where precise, low-loss connections are critical for performance and reliability.

• Laboratory Measurement Systems:
  Essential for high-precision test and measurement equipment requiring extremely stable microwave and RF signal paths.

• Broadcast and Satellite Communications:
  Supports reliable, interference-free signal delivery in broadcast studios and satellite ground stations through standardization of connectors and coaxial lines.

• Research and Development:
  Facilitates the use of industry-standard test setups in scientific and industrial research involving RF and microwave technologies.

By specifying the mechanical and geometrical properties, the standard helps organizations achieve consistent signal quality and mechanical integrity, reduce downtime, and streamline the integration of new and replacement components.

Related Standards

Organizations referencing HD 351.5 S1:1986 may also find relevance in these international standards:

• IEC 60457 Series:
  Covers additional parts and variations of rigid precision coaxial lines and associated precision connectors for different sizes and configurations.

• IEC 61169 Series:
  Specifies general requirements and tests for RF coaxial connectors, which may be used with standardized coaxial lines.

• HD 351 Series:
  Encompasses other specifications within the family, addressing various diameters, impedance, and electrical characteristics for coaxial cables.

• IEC 60050-581:
  International Electrotechnical Vocabulary - Part 581: Electromechanical components for electronic equipment.

Summary

Adherence to HD 351.5 S1:1986 guarantees compatibility, performance, and reliability in applications using 50 ohm, 3.5 mm rigid precision coaxial lines. By following this standard, manufacturers and operators benefit from interoperability, efficient maintenance, and assured quality in RF and microwave signal transmission systems. The precision requirements laid out by CLC and aligned with IEC recommendations support the global adoption of robust, high-performance coaxial connections.