- 易迪拓培训,专注于微波、射频、天线设计工程师的培养
How do I read Mixed-Mode of S4P file in ADS ?
I choose the Mixed-Mode type of S4P file to save
BUT in ADS , how could I read the S4P correctly?
Some people says use ideal balun in ADS, combine 4port ==> 2port can read Sdd (differential in & out) S_paramter
Is it correctly? And how could I read other type of S_parameter ,such as Scd,Sdc,
Attachment is my measure file, anyone can help me .
vb1_5_vb2_0_4_vd3_14_259ma.rar
thx for your help.
Hello, LeeFred
Reading Mixed-Mode of S4P file in ADS shows in picture.
What you need to pay attention to is input and output port .
In the picture,1 and 3 are input. 2 and 4 are output.
Thx for your help!
But I have a problem about what "type" of in/output situation is ? (In your ways)
I know the S4P file have the 4 types, include Sdd(differential-differential),Sdc(differential-common),Scd(common-differential),Scc(common-common)
It seems is Sdd in your ways, right?
The cases that you have listed are for specific modes.
In general, the 4-port device can be measured as that: four ports, without implying any specific mode. Such 4-port measurement includes all possible excitations, including the special cases of common mode (i1=i2) and differential mode (i1=-i2).
I don't know your specific VNA, but would expect that the S4P file includes that general data, without restricting it to specific modes. Results for specific modes would be S2P data.
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