Today's PCBs are not just simple electrical interconnection devices, they are complex highly specified components in their own right. With the ever increasing speeds of modern circuitry the demand for high quality controlled impedance printed circuit boards is continuing to grow. Two: With the Si Excel option, a package of Microsoft® Excel spreadsheets allows direct access to the field solvers you can graph any parameter you choose using the pre-prepared Microsoft Excel workbooks or build your own workbooks to model your process. Use the Edit / Copy to Excel to take values from the Quick solver and paste directly into the Si8000m Excel spreadsheet One: A quick solving calculator lets you seek a target impedance by varying any one parameter, it could be line width, stack height or Er you choose the variable and set the goal seek - you can even set realistic targets for your own production limits. How? You have 2 powerful methods of using the field solvers. You can also use the Si8000 to reduce the number of prototype iterations before production ramp up. The Si8000m allows you to produce impedance controlled boards with maximum yields. The Si8000m Controlled Impedance Design System is a comprehensive controlled impedance design aid which can run stand alone as a Quicksolver, or the underlying engine can be applied directly though the optional Microsoft Excel user interface.
The Field Solvers in the Si8000m allow you accurately to graph impedance against various PCB parameters. It is becoming increasingly necessary to control these characteristics on high speed systems such as USB2.0 and LVDS. (Even mode impedance is defined as the characteristic impedance of one side of a transmission line pair when both lines are driven by a signal of equal magnitude and polarity). The new Si8000m also extracts even and common mode impedance. This offers a much more elegant solution which can be tailored to the particular resist application method in use on your boards. Surface coating is often overlooked when modelling and the Si8000m models the resist thickness adjacent to above and between surface traces. Si8000m – comprehensive modeling of over 100 structures Link to PCB stackup Speedstack enhanced with Projects (Permits easy comparison of coated / non coated etc.)
Projects option with Speedstack saves structure groups Import and chart logged impedance data from CITS
Important information when updating from an early version The XFE option provides crosshatch return path modelling for flex and flex-rigid PCBs The Si8000m links with Speedstack as Speedstack PCB. The Si8000m assumes negligible insertion loss in the transmission line should you wish to model insertion loss the Si9000e adds extensive insertion loss modeling capabilities The Si8000m adds enhanced modelling to predict the finished impedance of multiple dielectric PCB builds and also takes into account the local variations in dielectric constant on close spaced differential structures. The Si8000m is a boundary element method field solver that builds on the familiar easy to use user interface in earlier Polar impedance design systems. View video – import and chart logged data from CITS Sitemap – for single and multiple dielectric PCBs Polarsi8000 simulated tools in PCB design layoutĬomparing measured with modeled impedance.
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