/technologies/wireless/b/blog/posts/matching-an-on-board-antenna---part-2This is about impedance matching an antenna. The better the cable calibration (nulling), the easier it is. See Part 1 for information on connecting to an antenna and calibrating the VNA . MatchingA typical matching network is a pi con...en-USTelligent Community 12https://community.element14.com/technologies/wireless/b/blog/posts/matching-an-on-board-antenna---part-2Mon, 13 May 2013 19:13:13 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:f3d9fb7c-0cec-44e0-b6ff-c6c79c61b4cfDAB1<p>Good post.</p><p>&nbsp;</p><p>I am curious if you run into signal phase issues while you are adjusting the matching impedence?</p><p>&nbsp;</p><p>I am not surprised that you can lose 1.25 db with very little effort.&nbsp; The opportunity to lose a lot of power is just one of the many issues that an RF engineer has to assess during testing.</p><p>&nbsp;</p><p>Thanks</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=15808&AppID=5&AppType=Weblog&ContentType=0" width="1" height="1">