TwoPort (2-Port Model)
Symbol
Available in ADS
Parameters
Name |
Description |
Units |
Default |
|---|---|---|---|
S21 |
Forward transmission coefficient, complex number: 1 + j × 0, polar(), dbpolar() |
None |
1 |
S12 |
Reverse transmission coefficient, complex number: 1 + j × 0, polar(), dbpolar() |
None |
1 |
S11 |
Port1 reflection coefficient, complex number: 1 + j × 0, polar(), dbpolar() |
None |
0 |
S22 |
Port2 reflection coefficient, complex number: 1 + j × 0, polar(), dbpolar() |
None |
0 |
ZRef |
Reference impedance for all ports |
Ohm |
50 |
Temp |
Temperature |
°C |
|
CheckPassivity |
Check passivity flag: if set to yes, a passivity check is performed and a warning is output if the device is not passive; if set to no, a passivity check is not performed. |
None |
yes |
Delay |
Time delay |
|
|
Notes/Equations
- Use the functions polar( ), dBpolar( ) to represent the S-parameters in terms of magnitude, phase or dB, phase.
- The block parameters must be passive for the noise performance to be as expected.