vfone,
is that means that the ready made antenna had already been design to be resonates at 2.4GHz even when the VSWR/ S11
-6dB bandwidth that I measure with our PCB board is not on 2.4GHz?
it is just the power loss due to mismatch but it should resonates at 2.4GHz ?
---------- Post added at 02:14 ---------- Previous post was at 01:53 ----------
I tried the method to measure the antenna impedance together with the components, housing, flex as the whole kit.
by using Smith chart software, I am able to determine the suitable lump components. however, when I place the
lump components, the values from the Smith are totally different from I would expected and not even close based
on the software results. I suspect the parts surrounding the antenna is affecting the results. is this common? what
can I do ?
right now, I am just evaluating the smith characteristic and try the lump values.
million thanks