## Oxxxxxxx

Lossy Transmission Lines: This device and model pair is translated as an ideal physical transmission line.

##### Example SPICE Command Line:

o1 1 0 3 0 Omodel

.model Omodel LTRA L=9.19e-9 C=3.65e-12 LEN=1 R=0 G=0

##### SPICE dialect and netlist syntax:

**Spice3:**

oid n1 n2 n3 n4 mname

**PSpice:**

Does not exist

**HSpice:**

Does not exist

##### ADS Netlist Syntax:

TL:oidZ=sqrt(l/c)L=lenV=1/(c0*sqrt(l*c))R=rG=gF=0

##### ADS Schematic Symbol:

##### Instance Parameters:

oid= TL element name

mname= Model name

n1, n2= Nodes at port 1

n3, n4= Nodes at port 2

##### Comments:

Parameters are read from the LTRA model statement, but no corresponding model is created in ADS. If no model is found, these defaults values are used:

Z=50Ohm L=1 V=1 R=0 G=0

For the schematic version, the TL component is not supported so the TLIN4 is used. TLIN4 does not support the R and G parameters so they are ignored. The following equations are used for TLIN4:

Z=sqrt(l/c) F=1 E=len/sqrt(l*c)*360

c0 = speed of light in free space. This is an ADS mathematical constant.

Privacy Statement | Terms of Use | Legal | Contact Us | © Agilent 2000-2008