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The basic understanding of RF coaxial connector structure and performance -[Twinlink]

Time:2019-03-08

The following is a brief introduction about the main structural features of the RF coaxial connector. The main structure and performance of the RF coaxial connector include the following aspects.

Center conductor (positive and negative center contact): dielectric material or insulator; finally the outer part, acts like the surface of the cable, that is, the data signal is transmitted, used as a shielding or circuit grounding component.


Contact: A contact is a conductive part of a radio frequency connector that transmits a voltage or data signal from a cable connected to the tail of the connector to a matching contact of the connector.

Insulator: The function of the insulator in the connector is to ensure a reasonable position of the contacts and to insulate the contacts from each other and between the contacts and the housing.

Shell or body: The housing is the outer cover of the connector, and the pair of connector housings that are inserted generally also ensure accurate centering and protection for the extended contact pieces, at the same time, it is a way to get to the device by fixing the connector.

   

Connection sleeve: The connection kit is placed on the housing of the RF connector to lock the plug and socket.

Cable Clamp: Clamping is the primary device commonly used to configure cables to connectors. The cable is connected to the connector of the connector in accordance with such an adapter, and the adapter is then secured to the housing of the connector. RF coaxial connector main performance

Mechanical properties: bonding force, separation force, coupling nut torque, contact tightness, durability, cable retention

Electrical performance: characteristic impedance, frequency, voltage standing wave ratio (VSWR), RF leakage, insertion loss, withstand voltage, operating voltage, insulation resistance, contact resistance

Environmental performance: temperature range, climate grade, thermal shock, moisture resistance, corrosive, vibration.

The coaxial cable is composed of an inner conductor, an insulator, and an outer conductor. The inside is then protected by a jacket to avoid interference from one aspect of the outside world.

The inner conductor is typically a solid wire or a modified flexible material. Sometimes the inner conductor is hollow, which can replace the solid conductive line in a very large cable. This reduces the total weight and controls the cost while reducing the tendency for the cable to bend more easily. However, this will increase the insertion loss by 5%-10%.

Twinlink Communication Technology (Shenzhen) Co.,Ltd focuses on RF coaxial connectors for more than 10 years. With years of dedicated craftsmanship, it has created the professional of Twinlink have more than 10 years of R&D experience engineers, more than 20 professional customer service teams, 24 hours online. Fast and timely response, Twinlink is committed to becoming the leader in the field of radio frequency. It is the driving force of Twinlink to pursuit the high performance and high quality.

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