[SI-LIST] Inductance variation.
- From: "GEORGE VARGHESE" <rfengg@xxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Fri, 07 Mar 2003 22:38:58 +1100
Hi All,
I have one more very interesting observation regarding inductors at RF when in
the presence of a conducting shield.
When I put a high valued inductor close to a copper shield and observe the
reactance on a VNA , the reactance seems to decrease at lower frequencies and
the reactance increases at higher frequncies when the shield is put near the
inductor. What I mean is that , the presence of the copper shield causes the
reactance to decrease at the lower frequencies (20Mhz) and increase at higher
frequencies (100Mhz) . Can anybody tell me the reason for this?
Regards,
George.
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