Stability circles on smith chart8/3/2023 ![]() ![]() It would be ideal if the user could choose to display mu1 OR mu2 OR K during a frequency sweep, in the rectangular chart, the same way he can chose to display the swr, the return loss or the gain. In other words, it is not impossible that oscilliation starts depending on the load/source impedances connected to the device at the frequencies where the device is potentially unstable. If heir value less than 1 then the network is unconditionally unstable on the frequencies concerned. For mu1 and mu2, the higher the value the more stable the network is. If the value of any of these 3 factors is more than 1 then the two port network is conditionally stable. It is well documented on the microwave101 website and is rno rocket science to calculate this. These are stability indicators that can be easily calculated based on the 4 S parameters. p is the number of transformed datapoint, starting with 1.Ĭircles-window Information of all circles is listed here.(according to me) is to code as a first priority in sinsimsmith, the mu1, mu2 and K Rolet factors. Transformed datapoints resulting from sweeps are labeled with SPp. m is the number of transformed datapoint, starting with nmax+1. Datapoints transformed by circuit elements are labeled with TPm. n is the number of datapoint, starting with number 1. Datapoints input with mouse, keyboard or from S-parameter file are labeled with DPn. Size and position of windows are saved on exit. Window can be resized and moved to any position on display. NET Framework 4.6.1 or higherĭatapoints-window Values for all datapoints are listed here. System requirements: Windows Vista, Windows 7, 8, 10. (maximum operating power gain), MSG (maximum stable gain), stability factor k, µ and returnloss.Ĭursor readout at gain and return loss graphs.Ĭonvert and export S-Parameter to normalized or unnormalized H-, Z-, Y- or A-Parameters in Touchstone® - Format files. Graphical display of s11, s12, s21 and s22 Settings for color and line widths for all graphs Print Smith-Chart, schematic, datapoints, circles and S-Plot graphsĬopy to clipboard for documentation purposes Save and load designs (licensed version only) Import datapoints from S-parameter files (Touchstone, CITI, EZNEC) Tune element values using sliders (Tuning Cockpit) new in V4.0Įxport datapoint and circle info to ASCII-file for post-processing in spreadsheets or math software Transmission lines and open or shorted stubsįree settable normalization impedance for the Smith-ChartĬircles and contours for stability, noise figure, gain, VSWR and Q Matching ladder networks with capacitors, inductors, resistors, transformers, serial The software is split in two parts: Smith-Chart and S-Plot Smith-Chart 78 It’s a long way to a perfect software. 49 Export CITI to S-Parameter Touchstone File. 49Įxport H-, Z-, Y- and A-Parameter to File. 25 R-L-C serial connected (Parallel element). 23 R-L-C parallel connected (Serial element). 19 Shorted Transmission Line, Shorted Stub (Parallel element). 17 Open ended Transmission Line, Open Stub (Parallel element). 16 Physical Transmission Line (Serial element). 15 Resistor (Serial or parallel element). 14 Inductor (Serial or parallel element). 12 Capacitor (Serial or parallel element). 11 Tune circuit element values, Tuning Cockpit. 7 Input of Circuit Elements for the Network. ![]()
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