Fritz Dellsperger smith




Smith-Chart Software and Related Documents

Version Smith V4.1

  Smith V4.1 7'444kB zip   Computer Smith-Chart Tool and S-Parameter Plot,

  Newest assembly version is
Check assembly version in window “Help > About Smith”, see also "Known Issues V4.1"





1. Smith-Chart Diagram
  • Matching ladder networks with capacitors, inductors, resistors, serie and parallel RLC, transformers, serie lines and open or shorted stubs
  • Free settable normalisation impedance for the Smith chart
  • Circles and contours for stability, noise figure, gain, VSWR and Q
  • Edit element values after insertion
  • Tune element values using sliders (Tuning Cockpit)
  • Sweep versus frequency or datapoints
  • Serial transmission line with loss
  • Export datapoint and circle info to ASCII-file for post-processing in spreadsheets or math software
  • Import datapoints from S-parameter files (Touchstone, CITI, EZNEC)
  • Undo- und Redo-Function
  • Save and load designs (licensed version only)
  • Save netlist (licensed version only)
  • Print Smith-Chart, schematic, datapoints, circle info and S-Plot graphs
  • Copy to clipboard for documentation purposes
  • Settings for color and line widths for all graphs

2. S-Plot

  • Read S-Parameter - Files in Touchstone®-, CITI- and EZNEC-Format
  • Graphical display of s11, s12, s21 and s22
  • Graphical display and listing of MAG (maximum operating power gain), MSG (maximum stable gain), stability factor k and u and returnloss
  • Linear or logarithmic frequency axis
  • Cursor readout at gain and return loss graphs
  • Convert and export S-Parameter to normalized or unnormalized H-, Z-, Y- or A-Parameters in Touchstone® - Format files.
  • Export s11 or s22 to Smith-Chart
  • Print all graphics and listings

Without license the application will work in demo mode only. The demoversion may be freely distributed.
The demoversion is limited to 5 datapoints and 5 elements and following functions are disabled:
- Save project
- Save project As
- Save netlist

Commercial licenses of Smith with full capabilities are priced to US$ 120.
Licenses for universities, students and Ham’s with callsign are priced to US$ 80.
Send an e-mail to get ordering and payment information.


Related Documents

  What's New in V4.0 528kB pdf   New features in Version V4.0 11.2016
  Known Issues V4.1 222kB pdf   If you have troubles running V4.0 1.2018
  CHM Help Error V4.1 624kB zip   Solution for Error Reading CHM Help File 1.2018
  Readme V4.1 137kB pdf   Readme Smith V4.1, (en) 1.2018
  Help V4.1 Printout 4'353kB pdf   Help Smith V4.1, (en) 1.2018
  Examples V4.1 2'039kB pdf   Examples for Smith V4.1, (en) 1.2018
  Examples V4.1 17kB zip   Examples, xmlsc-Project Files for Smith V4.1 1.2018
  Smith-Chart Introduction 2'588kB zip   Introduction to the Smith-Chart, (Powerpoint, en) 11.2016
  Smith-Chart Introduction 2'606kB zip   Introduction to the Smith-Chart, (Powerpoint, ge) 11.2016
  Powerpoint 301kB pdf   How to open password protected Powerpoint 11.2016
  AN-95-1 1'311kB pdf   S-Parameter Techniques, Agilent Application Note  
  AN-95-1_mov 144kB zip   Movies for AN-95  
  Smith-Chart 1'912kB pdf   Paper Smith-Chart, Color, Y-Z