What is the introduction to connector basics?

I. Connector basics of the introduction of what? 1. connector: usually mounted on the cable or equipment, for the transmission line system electrically connected to the separable components (except adapters). 2. RF connectors: is used in the radio frequency range of the connector. 3. video: the frequency range of 3HZ ∽ 30MHZ between the radio waves. 4. radio frequency: the frequency range of 3,000HZ ∽ 3,000GHZ between radio waves. 5. HF: Radio waves in the frequency range between 3MHZ and 30MHZ. 6. Coaxial: Inner conductor with dielectric support, structured to minimize internal reflection coefficients in the frequency range used in the measurement. 7. Triaxial: Transmission line consisting of three layers of concentric conductors with a common axis and insulated from each other. 8. Grade: The level of mechanical and electrical precision of a connector in terms of a defined reflection coefficient. Level: the level of mechanical and electrical precision of a connector, particularly in terms of the specified coefficient of reflection. 9. General purpose connector (Class 2): a connector manufactured with the widest allowable dimensional deviations (tolerances), but still guaranteeing a lower limit of specified performance and intermating. 10. High-performance connector (Class 1): a connector that specifies the limit value of the coefficient of reflection in terms of the change in frequency, and is usually manufactured to dimensional tolerances no tighter than those of the corresponding Class 2 connector, but with a need to ensure that the connector meets the requirements for the coefficient of reflection. 11. Need to ensure that the connector to meet the requirements of the reflection coefficient, it is the responsibility of the manufacturer to choose a tighter tolerance. 11. standard test connector (level 0): used to 1 and 2 level connector reflection coefficient measurements of a specific type of precision manufacturing connector, the results of the measurement caused by a negligible error. 12. sealed connector: with the ability to meet the requirements of the specified gases, moisture or liquid sealing requirements of the connector. Connector. Barrier seal: to prevent and gas, moisture or liquid along the axial into the connector shell sealing. Panel Seal: A seal that prevents gas, moisture, or liquid from entering through the mounting holes between the fixed or adapter housing and the panel. Note: Seals are usually supplied as a separate product. Mating Face Seal: A seal that prevents gas, moisture or liquid from entering at the interface of a pair of mating connectors. Gas seals: Seals that meet the requirements specified in Test Qk of IEC 60068-2-17, "Basic Environmental Test Specification Part 2: Tests - Test Q: Seals".

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