[SI-LIST] Re: Integrated Spiral Inductor Solver
- From: "Stefan Milnor" <stefan.milnor@xxxxxxxxxxxxxx>
- To: "Ray Anderson" <ray.anderson@xxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Tue, 18 Oct 2011 10:25:13 -0700
Good advice, but "Berkeley" has 3 'e's in it - from a Berkeley resident
:)
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Ray Anderson
Sent: Tuesday, October 18, 2011 10:14 AM
To: si-list@xxxxxxxxxxxxx
Cc: Scuteri, Jeremy; Ray Anderson
Subject: [SI-LIST] Re: Integrated Spiral Inductor Solver
Check out the tool known as "ASITIC" from UC Berkely:
http://rfic.eecs.berkeley.edu/~niknejad/asitic.html
From the web site:
"ASITIC is CAD tool that aids the RF circuit designer to optimize and
model spiral inductors, transformers, capacitors, and substrate
coupling. The conductive substrate plays an integral part in determining
the quality factor and self-resonance frequency of monolithic passive
devices. ASITIC calculations include the electrically induced losses and
coupling as well as the magnetically induced eddy current losses. Skin
effect and proximity effects, or eddy currents in the metallization, are
also included."
-Ray
Xilinx Inc.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Mark Freeman
Sent: Tuesday, October 18, 2011 9:47 AM
To: Scuteri, Jeremy; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Integrated Spiral Inductor Solver
A recent article by Jonsenser Zhao, "A new calculation for designing
multilayer planar spiral inductors," EDN Magazine, July 29, 2010, might
be a good starting point.
Closed-form equations for single-layer inductors, and approximations for
multi-layer inductors are given. If the frequencies you need are "low
enough," these equations may be enough. I haven't had the opportunity
to apply these equations, so I can't attest to their accuracy.
Mark Freeman | Principal Electrical Engineer | Stratos Product
Development LLC | 206-448-1397
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-
> bounce@xxxxxxxxxxxxx] On Behalf Of Scuteri, Jeremy
> Sent: Tuesday, October 18, 2011 7:32 AM
> To: si-list@xxxxxxxxxxxxx
> Subject: [SI-LIST] Integrated Spiral Inductor Solver
>
> Does anyone have any recommendations for a program to model spiral
> inductors that are integrated onto an IC?
>
> Thanks,
> Jeremy Scuteri
>
>
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