QUESTION

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How can I minimise return loss in my design?

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To minimize reflected power, matching the feed-point impedance of the antenna is the key (I'm assuming the antenna is already designed/tuned for the desired frequency or frequencies).

It is important to design RF transmission lines on a circuit board for proper characteristic impedance, and it is wise to provide pads for matching elements on the board in case some further feed-point impedance matching is required - this is fairly common.  Are you familiar with how to deal with these RF engineering exercises?  What is your application?

Matt

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