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UltraCAD Design, Inc.'s
Calculators
| UltraCAD has written a variety of programs through the years and made them available to our customers. Most have been freeware, a few have required a license for purchase. Here is our current offering. Click on any calculator name to be taken to a page that describes it more fully. | |
| All of these calculators are written in Microsoft Visual Basic. Some of these calculators may require supporting Microsoft files for operation. Usually they are already on your system, but sometimes not. See bottom of page. | |
| Special notes for VISTA Users | |
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1. The older dongle system file installation procedure for UCCALC did not work in Vista. (Those files are supplied to us by the dongle manufacturer.) A new procedure was introduced with Version 2.2. That procedure is much simpler and is backward compatible with previous versions of the calculator. See the Licensing section in the Operators Manual for complete information. |
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2. Vista does not natively support the older help file format (*.hlp). There is an update for Vista that does support the older help file formats. Vista will guide you to it on the Microsoft web site when you try to open a *.hlp file. Or..... you can download the file update from here and run it on your Vista machine. Download helpfileupdate.zip and unzip it to obtain Windows6.0-KB917607-x86.msu. Execute that file on your Vista machine. |
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| UCCALC.exe, Differential Impedance Transmission Line Calculator | ||
| This is a much improved version of our original trace impedance calculator. It is more accurate than the original and will do differential trace impedance calculations. | ||
| Ultra_CT.exe, Crosstalk Coefficient Calculator | ||
| This program will estimate a crosstalk coefficient between two parallel traces for a variety of different configurations. | ||
| Wiregage2.exe, Wire Gauge Calculator | ||
| This calculator converts between trace geometry (width and thickness) and equivalent AWG wire gauge. Version 2 runs on 64 bit OSs (with appropriate support files, below.) | ||
| UCADESR3.exe, Bypass Capacitance Impedance Calculator | ||
| This calculator graphs an impedance function for a power system with an arbitrary number of capacitors with arbitrary associated lead and mounting inductance and arbitrary ESR. | ||
| UCADPCB.exe, PCB Trace Calculator | ||
| This calculator is multifunctional! It can be used to calculate trace current/temperature effects, fusing current, trace resistance, and Ohm's Law calculations. It also allows adjustment for skin effect and skin depth and for the Proximity Effect. | ||
| UltraCLC.exe, Transmission Line Calculator (discontinued) | ||
| This was our first calculator. It calculated the impedance of traces based on the formulas readily available in the industry, principally from the IPC publications. It has been replaced by UCCALC.exe, an expanded and much more accurate calculator (see above). UCCALC.exe is freeware for single-ended traces but requires a license to activate its differential capabilities. | ||
| PCBTemp.exe Trace current/temperature Calculator (discontinued) | ||
| This was (probably) UltraCAD's most popular and most heavily used calculator. It was based on equations derived from the IPC charts and from an article that appeared in Design News magazine back in the 60's. It has been superceded by UCADPCB.exe, our PCB Trace Calculator, which is greatly expanded (see above). | ||
| You may get error messages that some supporting files may not be found on your system. Here are the typical files that some systems might be missing. | |
| VBRUN300.DLL | |
| This is the Visual Basic, version 3, runtime file. Right click, download, and place in the Windows/System folder | |
| VBRUN60-setup.exe | |
| These are the Visual Basic, version 6, runtime files. Right click, download, and place in a convenient folder and then execute it. | |
| MSSTDFMT.DLL | |
| Right click here and download the file msstdfmt.zip. Unzip it and copy both msstdfmt.dll and patch.exe to the Windows/System32 folder. Execute patch.exe (that will register the dll with the system.) After the dll has been registered, you can delete patch.exe. | |
| MSCOMCTL.OCX | |
| This file may be needed for the UCADPCB calculator. It is usually on your system. If not, right click and download it here and place it in the Windows/System32 folder. | |
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