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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Stripline >
   SL Coupled Lines, Broadside, Physical Length (SLBCL)       

SL Coupled Lines, Broadside, Physical Length (SLBCL)

 

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Properties

Description

Units

Default

Range

W

Conductor width

m

Required

> 0

S

Conductor spacing

m

Required

0 < S+2T < B

P

Physical length of conductors

m

Required

(-¥,¥)

sub

Substrate name

none

Required

string

 

Notes

1. The following conditions should be satisfied: S/B < 0.8, and W/S ³ 0.35.

Netlist Form

SLBCL:NAME n1 n2 n3 n4 W=val S=val P=val SUB=label

Netlist Example

SLBCL:BCL1 1 2 3 4 W=50MIL S=40MIL P=1.5IN SUB=SUB1

where SUB1 needs to be defined through the .SUB statement.

References

1. S. Cohn, “Characteristic Impedances of Broadside Coupled Strip Transmission Lines”, IEEE Trans. on MTT, pp. 633-637, Nov. 1960.

2. S. Cohn, “Thickness Corrections for Capacitive Obstacles and Strip Conductors”, IEEE MTT, pp. 638-644, Nov. 1960.

3. Bhartia and Pramanick, “Computer-Aided Design Models for Broadside-Coupled Striplines and Millimeter-Wave Suspended Substrate Microstrip Lines”, IEEE MTT, pp. 1476-1658, Nov. 1988



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