Do you know the Basics of RF Connectors?

As an RF Coaxial Connector Factory, share with you. 

RF Connector Fundamentals

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1. 50 Ohm vs 75 Ohm RF Connectors

For a lot of applications involving antennas in the RF & microwave market, RF connectors will certainly have an impedance of 50 Ohms.

50 Ohms was set as a sector standard in the early 20th century as a good concession between voltage, power handling, and also attenuation, making 50 Ohms a risk-free option for solid performance in the majority of applications, able to take care of reasonably high voltage and also power requirements without much depletion.

In some applications, mostly associated with video clip transmission, 75 Ohm RF ports and wire will be utilized instead of 50 Ohm. 75 Ohms is an excellent selection for video clip transmission applications which tend to call for less power yet frequently count on longer cord runs, where less depletion is a benefit for transmission range.

It is necessary to match resistance and also not utilize 50 Ohm and also 75 Ohm products with each other in a system without an RF resistance matching gadget. To decrease system cost as well as complexity, it's finest to match impedance between system elements, instead of relying on an impedance matching pads which are naturally lossy gadgets.

Failure to effectively match impedance in a system will certainly cause RF power being shown back to the RF transmitter, known as a "standing wave". Standing waves decrease system efficiency and can cause a loss of RF link budget plan as well as thus system array, and also can in extreme cases damage transmitter parts such as power amplifiers if way too much energy is being mirrored back into the system.

2. Rotating vs. Non-Rotating RF Connectors

Non-rotating RF ports are commonly utilized on omni-directional antennas as it makes the product easy to protect without devices and the link can be made weatherproof or water resistant depending upon antenna layout once both RF connectors are safely mated.

As the name suggests, non-rotating adapters have actually a fixed outer covering which does not turn. To safeguard an antenna with a non-rotating RF port, the whole antenna needs to be transformed as the man and women RF connectors are tightened up together. Since an omni-directional antenna radiates RF energy similarly 360 levels around the antenna, the final stopping placement of the antenna as the RF port is tightened down does not matter.

Southwest Antennas highly recommends utilizing non-rotating RF connectors on omni-directional antennas due to the complying with factors to consider:

Perfect for omni-directional antennas where antenna instructions does not matter as soon as RF port is totally mated and also tightened.

Weatherproof or water resistant RF link, depending upon antenna style and mated radio specification. Perfect for use in exterior settings or tactical applications.

Performance enhancement vs. standard rotating connectors.

No sand or dirt breach between collar or port, because of absence of turning components.

No sound or rattling due to absence of moving components.

Alleviate of antenna installment with a solitary gloved hand, no tools needed.

Non-rotating women RF connectors are also generally discovered on directional panel and also market antennas, where the connecting RF wire will certainly have a turning man RF port. All female RF ports are non-rotating.

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