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How can I plot S-parameter of differential signal SDD21 on Matlab?
% Load the 4-port data s = sparameters('default.s4p'); % Convert to mixed-mode differential S-parameters sd = sparameters...
9 days ago | 0
Satisfying the complex NxNxM requirement in s2rlgc function
The NxNxM error means you need a 3D array of 2×2×1601 — reshape your stacked matrix with the suggestion above. But a deeper iss...
9 days ago | 0
How to plot AM/AM and AM/PM Characteristic using input and output baseband signals?
Good question — your formula for power is actually fine (assuming peak voltage into 50 ohms), but there are at least three issue...
9 days ago | 0
Plotting S parameters in Matlab
The data going into sparameters() must be complex linear (not dB), and the S-matrix must be a 3D array of size NxNxM where M is ...
9 days ago | 0
How do you use a one parameter (S11), (s1p extension) file to model a direct RF chip input in RF Budget analyzer.
Good question — this is a common pain point. The RF Budget Analyzer (and rfbudget programmatically) requires two-port elements f...
9 days ago | 0
Simulate third order intermodulation effects
If you are using the bidirectional RF Blockset domain, the RF Blockset example Validating IP2/IP3 Using Complex Signals - MATLAB...
1 month ago | 0
Touchstone file version 2
MATLAB 2023b uses the official Touchstone 2.0 reader, a third party code supported by the IBIS committee. The 2.0 reader has an...
1 year ago | 0
'sparameters' function showing error to read S-parameter data from touchstone file
Unfortunately, the official Touchstone 2.0 reader pays attention to non-US-ascii characters even if they are in comments. >> se...
1 year ago | 1
Why am I getting sign inversion with s2rlgc?
When s2rlgc is given sparam data at multiple frequences, it uses "unwrap" to track the phase and try to stay on the correct bran...
1 year ago | 0
How to build bigger S-parameter from smaller S-parameters
It is certainly possible to "concatenate" sparameter data into a larger array and then make a new sparameter. To build an 8x8 o...
1 year ago | 0
touchstone file could not be processed in matlab
Now that RF Toolbox is using the official Touchstone 2.0 reader, the following works. S = sparameters('touchstone_file.txt')
1 year ago | 0
how do i load an s2p file and access a single row?
With more recent functionality: % Load the S2P file s2p = sparameters('your_file.s2p'); % Access a single element, e.g. s11 ...
1 year ago | 1
How can I bisect S-parameters in an S2P file into two equal halves using RF Toolbox R2015a?
See the web page Bisect S-Parameters of Cascaded Probes - MATLAB & Simulink (mathworks.com). But as the previous answer correct...
2 years ago | 0
How to convert logarithmic to linear
The default rfplot format is "db", but it also supports "abs", "angle", "real", and "imag". For example, rfplot(s,1,1,"abs"). ...
2 years ago | 2
Reading an S2P File - Issues
You can use the sparameters method to read in Touchstone format files. S = sparameters('ExampleS2pFile.txt') % or from the ori...
2 years ago | 0
Save S-parameter in matlab
If you have freq and data variables of the appropriate size, use the rfwrite function in RF Toolbox: >> size(freq) ans = 2...
4 years ago | 0
| accepted
find harmonic balancer metod
RF Toolbox, the rfbudget object, and the RF Budget Analyzer app have a harmonic balance solver for RF circuits.
4 years ago | 0
How do I export data from an .s2p file in MATLAB?
The RF Toolbox offers an sparameters object that can read in and manipulate data from Touchstone files Calculate S-parameters f...
4 years ago | 0
| accepted
Importing .snp files
Alternatively, the RF Toolbox offers an sparameters object that can read in Touchstone files: Calculate S-parameters for RF dat...
4 years ago | 0
| accepted
Is RF toolbox able to read touchstone v2 (.ts) files ?
RF Toolbox can read Touchstone v1, e.g. >> S = sparameters('default.s4p') If the file doesn't end in .sNp, the sparameters...
10 years ago | 0
| accepted
How do I add multiple files to RF Toolbox
Is the lab data in Touchstone file format? If so, then >> S1 = sparameters(‘file1.s2p’); >> rfplot(S1) >> hold on ...
12 years ago | 1
| accepted
Doubts regarding the SimRF blockset of Simulink
Thanks for the questions. 1. It's hard to answer this without seeing the model. Please contact tech support at MathWorks to...
12 years ago | 0
