[SI-LIST] Re: PI resonance test
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 14 Jan 2014 05:32:17 -0800
If you have access to the cavity at the same port or ports as used in
your simulation, then you can connect a VNA at those ports. If the
resonance is modal, connecting test ports at different locations may
yield different results. In any case, you need to excite the cavity and
monitor the response.
You can do sanity checks on the resonance frequency based on: Dimensions
of the cavity, dielectric constant of the insulating layer(s), and the
composition of the discrete bypass network, and any ICs with significant
internal bypass connected to that cavity.
Steve.
On 1/14/2014 4:37 AM, 王素华 wrote:
> Dear all
> I have a problem about how to test power plane resonance.
>
> I did a simulation of a 1.0v power plane(12v turn 1.0v) and the resonance is
> high at 600mhz,how can I verify my simulation through test?
>
> Thanks
>
>
>
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