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Conversion tables

For people who are not used to work in dB. Loss compared to input signal. VSWR compared to Return Loss (dB

The use of stubs.

Every impedance can be matched with the use of two components. Capacitor or inductor. Dependent of the place you are on the smith...

A practical example.

I have made a vertical antenna with a lengt of 10 meters and two radials of 10 meters also connected to the ground. This antenna...

Antenne analysis and matching.

How to measure antenna impedance? Different types of VNA can be used. When using a professional VNA (Agilent, R/S,…) the measuring cable...