HFSS Application Modeling Connectors in HFSS - Ansys
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HFSS Application Modeling Connectors in HFSS - Ansys

HFSS Application Modeling Connectors in HFSS - Ansys

HFSS Application Modeling Connectors in HFSS - Ansys

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<strong>HFSS</strong> <strong>Application</strong><br />

<strong>Model<strong>in</strong>g</strong><br />

<strong>Connectors</strong> <strong>in</strong> <strong>HFSS</strong><br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

<strong>Application</strong> Example<br />

• Connector <strong>Model<strong>in</strong>g</strong> <strong>in</strong> <strong>HFSS</strong><br />

– Draw your own<br />

• SMA<br />

• Portion of a multi-p<strong>in</strong> connector<br />

– Import<br />

• RJ45<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

SMA Connector<br />

• Commonly used <strong>in</strong> measurements<br />

• Relatively easy to draw<br />

• Can be reused<br />

Courtesy of Xil<strong>in</strong>x<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

SMA Connector<br />

• Fixed Parameters<br />

– Board manufactur<strong>in</strong>g technology<br />

– Connector geometry<br />

– Board stack-up<br />

• Signal Layers<br />

– Materials<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

SMA Connector<br />

• Variable Parameters<br />

– Distance from ground via to signal via<br />

– Radius of ground via<br />

– Radius of antipads<br />

– Radius of signal pad<br />

– Layer Rout<strong>in</strong>g<br />

– Trace Spac<strong>in</strong>g<br />

– Trace Thickness<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary<br />

Top<br />

Bottom

SMA Connector<br />

• Parametric Example<br />

– Z_route Variable<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

SMA Connector<br />

• Parametric Sweep Variables<br />

– Layer_H – Corresponds to substrate thickness<br />

– SL_S – Stripl<strong>in</strong>e Trace Spac<strong>in</strong>g<br />

– SL_W – Stripl<strong>in</strong>e Trace Width<br />

– Z_route – Rout<strong>in</strong>g Layer<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

SMA Connector<br />

• Results<br />

– S<strong>in</strong>gle-ended S-parameters<br />

Ansoft LLC SMA<br />

Y1<br />

0.00<br />

-10.00<br />

-20.00<br />

-30.00<br />

-40.00<br />

-50.00<br />

-60.00<br />

-70.00<br />

0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00<br />

Freq [GHz]<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary<br />

SE<br />

Curve Info<br />

dB(St(p1_N,p1_N))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-23.525mil'<br />

dB(St(p1_N,p1_N))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-10.525mil'<br />

dB(St(p1_N,p1_N))<br />

Setup1 : Sweep1<br />

Layer_H='20.65mil' SL_S='7.5mil' SL_W='6.75mil' SL_W2='8.5mil' Z_route='-72.625mil'<br />

dB(St(p2_P,p2_P))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-23.525mil'<br />

dB(St(p2_P,p2_P))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-10.525mil'<br />

dB(St(p2_P,p2_P))<br />

Setup1 : Sweep1<br />

Layer_H='20.65mil' SL_S='7.5mil' SL_W='6.75mil' SL_W2='8.5mil' Z_route='-72.625mil'<br />

dB(St(p3_N,p1_N))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-23.525mil'<br />

dB(St(p3_N,p1_N))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-10.525mil'<br />

dB(St(p3_N,p1_N))<br />

Setup1 : Sweep1<br />

Layer_H='20.65mil' SL_S='7.5mil' SL_W='6.75mil' SL_W2='8.5mil' Z_route='-72.625mil'<br />

dB(St(p4_P,p2_P))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-23.525mil'<br />

dB(St(p4_P,p2_P))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-10.525mil'<br />

dB(St(p4_P,p2_P))<br />

Setup1 : Sweep1<br />

Layer_H='20.65mil' SL_S='7.5mil' SL_W='6.75mil' SL_W2='8.5mil' Z_route='-72.625mil'

SMA Connector<br />

• Results<br />

– Differential S-Parameters<br />

Ansoft LLC SMA<br />

0.00<br />

Y1<br />

-10.00<br />

-20.00<br />

-30.00<br />

-40.00<br />

-50.00<br />

-60.00<br />

-70.00<br />

0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 40.00<br />

Freq [GHz]<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary<br />

DE<br />

Curve Info<br />

dB(St(Diff1,Diff1))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-23.525mil'<br />

dB(St(Diff1,Diff1))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-10.525mil'<br />

dB(St(Diff1,Diff1))<br />

Setup1 : Sweep1<br />

Layer_H='20.65mil' SL_S='7.5mil' SL_W='6.75mil' SL_W2='8.5mil' Z_route='-72.625mil'<br />

dB(St(Diff2,Diff1))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-23.525mil'<br />

dB(St(Diff2,Diff1))<br />

Setup1 : Sweep1<br />

Layer_H='12.35mil' SL_S='6.5mil' SL_W='5mil' SL_W2='4.7mil' Z_route='-10.525mil'<br />

dB(St(Diff2,Diff1))<br />

Setup1 : Sweep1<br />

Layer_H='20.65mil' SL_S='7.5mil' SL_W='6.75mil' SL_W2='8.5mil' Z_route='-72.625mil'

SMA Connector<br />

• Results<br />

– Mag JSurf<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

Multi-p<strong>in</strong> Connector<br />

• Create complex shapes from polyl<strong>in</strong>es<br />

– F<strong>in</strong>ished Model<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

Multi-p<strong>in</strong> Connector<br />

• Create complex shapes from polyl<strong>in</strong>es<br />

– Create polyl<strong>in</strong>e<br />

– Def<strong>in</strong>e Properties<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

Multi-p<strong>in</strong> Connector<br />

• 3D Object from 1D Polyl<strong>in</strong>e<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

Multi-p<strong>in</strong> Connector<br />

• Other Cross-sections<br />

– L<strong>in</strong>e<br />

– Circle<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

Import from MCAD<br />

• Import from Mechanical CAD options<br />

• .sat – up to ACIS 19<br />

• .dxf, .dwg .tech – AutoCAD Draw<strong>in</strong>g Interchange Format files<br />

• .model - CATIA 4.1.9 to 4.2.4<br />

• .CATPart - CATIA V5 R2 through R16<br />

• .gds – GDSII files.<br />

• .iges, .igs – Initial Graphics Exchange Specification files up to 5.3<br />

• .nas – NASTRAN format files<br />

• .x_t, .x_b – Parasolid Files<br />

• .prt*, .asm* – Pro/E model files<br />

• .sab – Standard ACIS b<strong>in</strong>ary<br />

• .step, .stp – AP203 STEP files and AP214 (geometry only)<br />

• .stl – Stereolithography format files<br />

• .prt – Unigraphics file (W<strong>in</strong>dows only)<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

RJ45 Connector<br />

• RJ45 8 P<strong>in</strong> connectors<br />

– Most commonly used with Ethernet cables and networks for<br />

10Base-T (10 MBPS) and 100Base-TX (10 MBPS)<br />

• Also used <strong>in</strong><br />

– Rocket Port – Alternate P<strong>in</strong>out<br />

– IDSN – Alternate P<strong>in</strong>out<br />

P<strong>in</strong>out for Ethernet<br />

Diagram from<br />

http://www.jimprice.com/<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

RJ45 Connector<br />

• Import *.sat<br />

– Do Auto Heal<strong>in</strong>g<br />

– Geometry Errors (if any )will be reported<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

RJ45 Connector<br />

• Imported Model<br />

– Assign<br />

• Materials<br />

• Ports<br />

– Diff Pair Setup<br />

• Boundaries<br />

• Analysis Setup<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

RJ45 Connector<br />

• Results<br />

Ansoft LLC <strong>HFSS</strong>Design1<br />

0.00<br />

0.00<br />

Y1<br />

-10.00<br />

-20.00<br />

-30.00<br />

-40.00<br />

-50.00<br />

-60.00<br />

Differential<br />

Curve Info Y Axis<br />

dB(St(Diff_12_TX,Diff_12_TX))<br />

Setup1 : Sweep1<br />

Y1<br />

dB(St(Diff_36_RX,Diff_36_RX))<br />

Setup1 : Sweep1<br />

Y1<br />

dB(St(Diff_45,Diff_45))<br />

Setup1 : Sweep1<br />

Y1<br />

dB(St(Diff_78,Diff_78))<br />

Setup1 : Sweep1<br />

Y1<br />

dB(St(Diff_12_TX,Diff_12_TX_bot))<br />

Setup1 : Sweep1<br />

Y2<br />

dB(St(Diff_36_RX,Diff_36_RX_bot))<br />

Setup1 : Sweep1<br />

Y2<br />

dB(St(Diff_45,Diff_45_bot))<br />

Setup1 : Sweep1<br />

Y2<br />

dB(St(Diff_78,Diff_78_bot))<br />

Setup1 : Sweep1<br />

Y2<br />

0.00 0.20 0.40 0.60 0.80 1.00<br />

Freq [GHz]<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary<br />

-0.25<br />

-0.50<br />

-0.75<br />

-1.00<br />

-1.25<br />

-1.50<br />

-1.75<br />

Y2

RJ45 Connector<br />

• Results<br />

© 2009 ANSYS, Inc. All rights reserved. ANSYS, Inc. Proprietary

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