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Ansoft Designer / Ansys Designer 在线帮助文档：

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   SL Double Stub, Total Stub Length Specified (SLDSTBL)       

SL Double Stub, Total Stub Length Specified (SLDSTBL)

 

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Properties

Description

Units

Default

Range

W1

Width of feed line

m

Required

>0

W2

Width of the stub

m

Required

>0

L

Overall length of the two stubs

m

Required

>0

NSUM

Number of modes used in the field expansions

none

5

[1,50]

sub

Substrate name

none

Required

string

 

Notes

1. To get accurate results, the following condition should be satisfied: B/lg < 1.0, where B is the ground-to-ground distance defined in the corresponding .SUB statement, and lg is the guide wavelength.

2. SLDSTBL models the open-end effect at each end of the L dimension and will not degenerate to a transmission line as L approaches W1.

Netlist Form

SLDSTBL:NAME n1 n2 W1=val W2=val L=val [NSUM=val] SUB=label

Netlist Example

SLDSTBL:DSTBL1 1 2 W1=2MM W2=4MM L=10MM SUB=SUB1

where SUB1 needs to be defined in the corresponding .SUB statement.

References



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