![]() We’ll briefly mention those basic equations that construct the Smith chart. You’ll not learn the mysteries of the Smith Chart, or those sophisticated formula and special usages of this great chart here.įirstly, you’ll learn these basic parameters such as \(Z\) (impedance), \(z\) (normalized impedance), \(Y\) (admittance), \(y\) (normalized admittance), \(R\) (real part of impedance), \(X\) (imaginary part of impedance), \(r\) (real part of normalized impedance), \(x\) (imaginary part of normalized impedance), \(G\) (real part of admittance), \(B\) (imaginary part of admittance), \(g\) (real part of normalized admittance), \(b\) (imaginary part of normalized admittance), \(Γ\) (reflection coefficient), \(VSWR\) (voltage standing wave reflection), etc. We’ll discuss the Smith Chart in this sequence and start with the very basic knowledge of this important tool that all RF people should learn and use. p is the number of transformed datapoint, starting with 1.Ĭircles-window Information of all circles is listed here.Impedance Matching and the Smith Chart: The Fundamentals 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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