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Small RF products often face the same design problem: there is limited space around the circuit, but the connection still needs to remain stable. A connector that works well on a laboratory bench may not fit inside a compact wireless device. The interface may be...

In many RF systems, connector selection is decided after the main circuit design has already been completed. At that stage, engineers are usually not looking for a connector that simply fits the port. They need a connection that can maintain stable electrical performance after installation, testing, and long-term...

N Type Connector Selection and Interface Identification Comparison of N female and N male connector center contacts and mating interfaces. When selecting an RF connector, many engineers do not start with the connector itself. They usually start from the system requirement.

What Should You Check Before Choosing an SMA Cable? Coiled SMA male to SMA male RF cable for extended signal connections. In many RF projects, the first question is not “which SMA cable should I buy?” The real...

How Should You Define an RF Cable Assembly Before Ordering? A finished custom coaxial cable assembly with connectors on both ends. When an RF system starts moving from prototype testing to actual production, the cable connection is often one of the...

Improve VNA Measurement Accuracy A VNA report is often the final document used to judge whether an RF cable assembly meets the required specification. However, the numbers shown in the report are not created by the cable alone. During a real...

RF coaxial connector components prepared for cable assembly installation. When an RF system starts losing range, stability, or measurement accuracy, engineers often check the antenna first. However, the cable between the radio and antenna can quietly become the limiting factor. Choose...

Read S Parameters Before Opening a VNA Report VNA measurement screen showing S11, S21, Smith chart, group delay, and phase results. When engineers receive an RF test report, the first reaction is often to search for a single number: insertion loss,...

Choose RF Test Cables Before Trusting the Measurement VNA verification helps identify insertion loss, return loss, and instability in RF test cables A vector network analyzer can measure extremely small changes in RF performance, but the measurement result is only as...

When an RF signal travels through a connection, it does not simply move from point A to point B without change.Part of the energy is lost along the way.The loss may come from several places.A coaxial cable has conductor loss.The inner conductor carries the RF current, but the resistance is not zero. At higher frequencies, the current tends to flow closer to the surface of the conductor, which increases effective resistance.

Return Loss Guide for RF Connectors Precision return loss measurement of an RF connector using a vector network analyzer and microwave test fixture. A customer once asked why a new SMA cable assembly could pass continuity testing but still fail...

What Engineers Should Know Before Checking RF Results RF engineers use laboratory equipment to test cable assembly performance and verify signal quality. When an RF cable assembly fails a test, VSWR is often one of the first values engineers check.