Buy and Download - Spectrum Software Micro-Cap 10 Build 10.1.0.3 10.1.0.4

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Year/Issue Date: 2014
Version: 10 Build (10.1.0.3 / 10.1.0.4)
Developer: Spectrum Software
Developer website: http://www.spectrum-soft.com/index.shtm
Bit depth: 32bit
Language: English
System requirements:
- A Pentium II or later computer.
- A hard disk with at least 100 Megabytes of available space.
- A Microsoft or compatible mouse.
- Operating System - Windows 2000, XP, Vista, 7, 8
- System memory of 256 MB.
Parallel port or a USB port (on the server if a LAN version).

Professional program analog, digital and mixed simulation and analysis of electronic circuits devices of medium complexity.
Intuitive interface, low demands to the computing resources of a personal computer and a wide range of possibilities was the basis for the popularity of Micro-Cap among radio Amateurs, students and teachers of microelectronics. The algorithm involves creating an electrical circuit in the graphical editor, the task of the parameters of analysis and study of the data. The program is independently of the equation of the circuit and performs an instant calculation. Any change in the circuits or elements will automatically update the results. A graphic editor relies on libraries that can be replenished on the basis of experimental or reference data using the built-in Shape Editor module. All the values and parameters of the elements can be both constant and independent of temperature, time, frequency, state diagrams, parameters of other components. Animated parts (LEDs, relays, seven segment indicators and some other items) change the state in accordance with the signals input to them. The simulation includes a variety of analyses: transient, transfer characteristics DC, small-signal frequency characteristics, sensitivities DC, nonlinear distortion, Monte Carlo and many others. Advanced users can create their macromodel that facilitate simulation without loss of information. Allowed to simultaneously use different standards of circuit elements. Full support for SPICE models allows you to use projects from other programs (DesignLab, OrCAD, P-CAD). Among the shortcomings can only note the need for installation of additional elements, as the volume of libraries of Micro-Cap (even in the full version) is clearly insufficient

Micro-Cap 10.1.0.3
-) Probe - Fixed a crash that occurred in AC Probe when clicking on an inductor.
-) Attribute dialog box - Fixed a bug where the program did not do a whole word search for the Model name.
-) Inductors - Fixed a bug involving copying core inductors which disordered the core inductors pointer.
-) Drag Copy - Ctrl+Drag copy of text while in the analysis did not force a re-run.
-) Shape Editor - Fixed the rotation and mirroring of polys and roots in the Shape editor.
-) Protection - Improved MC10 Protection handling.
-) Transmission lines - Fixed a math problem in lossy transmission lines.
-) Component editor - Fixed a problem in the Component editor that occurred when you clicked on Text Attribute 1 or 2.
-) Check for Updates - Improved error handling in the Check for Updates routine.
-) HSPICE syntax - HSPICE's G device can now use "CUR" or "VOL" in place of "VALUE".
-) SPICE plots - SPICE netlists now use tstart correctly for auto scaling. Formerly scaled to T=0.
-) Model program - Corrected JFET conversion from .mdl to .lib files.
-) Auto Save - Auto save now saves protected files with their passwords.
-) Breakpoints - Improved speed of adding breakpoints.
-) Netlist - Micro-Cap now ignores presence of an unnecessary "=" sign in Pspice syntax.
-) Define variables - The use of a .define variable in the analysis Temperature field is now supported. (e.g. 10K LOT=10% became 10K).
-) Touch Pad - Touch pad zoom gesture was backwards.
-) Evaluation Version - Evaluation version had trouble loading a component library with greater than 30000 parts.
-) Component Editor - Copying a group from one component library file to another sometimes failed.
-) Macro drill down - Fixed a macro drill down error.
-) Text select - Text in a page with overflowing text did not select properly.
-) Undo - Undo works better in the analysis limits dialog box and in other RTF text.
-) Filter Designer - Fixed an error that occurred in the Elliptic section of the Filter Designer.
-) DC Probe - Fixed a plot problem that occurred when retrieving DC Probe results where a .define variable was used in Variable 1.
-) Empty circuit - Fixed a crash that occurred when poltting V(0) for an zero-node circuit.
-) Tanh function - Fixed an overflow in a tanh derivative.
Micro-Cap 10.1.0.2
-) Key ID - A Key ID number is now printed when there is a Key error on startup.
-) SPICE files - Improved the handling of SPICE A devices.
-) Model program - Removed code that limited log range to 8 decades.
-) Coupled inductors - Fixed a bug that caused circuits with coupled inductors using initial conditions to sometimes fail the operating point calculation.
-) Expressions - Fixed a bug that caused variables named IMPORT to be confused with the Import function.
-) Optimizer - Improved Optimizer cleanup to remove residual settings.
-) Optimizer - Fixed a bug in the Optimizer when FMAX was used.
-) Optimizer - Dynamic AC optimizer was optimizing the DC variable rather than the AC variable
-) Optimizer - Improved Powell's handling of constraints
Micro-Cap 10.1.0.0
-) Bounds Error - Fixed an internal out of bounds error.
-) Desktop Permission error - Was not recognizing certain drives and desktop folders in Windows 7 and 8 as writable locations and issuing a Permission Denied message.
-) Rerun - Fixed an error when stepping caused a return trip through the setup code.
-) Text Search - Crashed if you did a text search on a schematic while still in an analysis mode.
-) Text Search - Locked up if you did a text replace with a blank search string.
-) Text Color - Several text color attributes were not being saved in the file correctly.
-) Power Expressions - Created better trapping for over/under flows.
-) Harmonic Distortion - 'All' is now the default in the curve selector list box.
-) MOSFET Junction Current - Fixed a problem in computing MOSFET junction current.
-) AC FFT Norm Calculation - Fixed a problem in computing the FTT / Norm function.
-) Hasp Key Type - The HASP key type is now displayed in the Statistics dialog box (ALT+Z).
-) Slope Calculation - Fixed a problem in the Slope calculation when both cursors are on the same point.
-) HASP Library - Updated the HASP library from haspw32.lib to libhasp_windows.lib..
-) Warning Bug - Fixed a minor bug in the Warning statement.
-) Color Property - Color property had incorrect status bar text "Label Background".
-) Dynamic DC - In Dynamic DC the use of the Up/Down arrows lost any tolerance information. (e.g. 10K LOT=10% became 10K).
-) AC Noise - A wider variety of variables are now available in AC Noise analysis.
-) Performance Functions - Fixed a problem with period and frequency performance functions when used on digital wavefroms.
-) Table Sources - Table sources may now contain expressions like {(TEMP-8)/2}.
-) Disabled Components - Components on disabled local macro pages are now being correctly flaged as disabled.
-) Enhanced Expression Usage - .Nodeset commands can now handle expressions like .NODESET V(Charge)={SOC*CELLS*VCELL}'.
-) Pin Names - Numeric pins names for macros are not recommended due to confusion with nodes names. The program now appends PIN_ to the front of a numeric node name to minimize conflict.
-) AC Polar Plot - The AC Polar chart can now use tokens.
-) OPAMP Model - Fixed a bug in the OPAMP model that caused a problem when VCC and VEE are the same node.
Micro-Cap 10.0.9.2
-) Array Variables - Fixed an error that occured when array variables are used in FFT expressions.
-) Derivatives - Fixed an error that occured when using an expression like LIMIT(V(Vinm),3,IF(1,1,2)).
-) Component Editor - Fixed an error that caused a crash in the Component Editor Revert command.
-) Initialization - Fixed an error that occurs when using '.IC I(C1.L)=-5.00000E+000'.
-) Missing ")" - MC10 now handles missing right parentheses ")" in model statements.
-) Tag numeric format - MC10 now allows edits to a tag's vertical numeric format.
-) Reduce Datapoints - Fixed a crash that occurs when "Throw Data Out" is enabled and Sensitivity is run.
-) SD assignment - SD was not assignable using a .options sd=3 command.
-) MC values - If you run Monte Carlo, then return to the schematic, the last MC changed valued remained.
-) Cleanup report - Cleanup was not correctly reporting the number of files.
-) BSIM3 - Fixed an uninitialzed variable problem in the Berkeley code.
-) 3D - Fixed an error in the 3D Cursor mode value for slope.
-) Device code - Fixed a potential divide by zero in diode, bjt, jfet, and gaasfet code.
-) Thread crash - Fixed a crash that occurs when using threads under special conditions.
-) File Save - Fixed a Permission Denied error under Windows 7 that occurred when saving a file to the Desktop.
Micro-Cap 10.0.9.1
-) HD Gain / Power - Fixed an error in the calculation of Gain when Power is selected in Harmonic Distortion.
-) FSV Function - Added an FSV (Fit to Standard Values) function. In MC10 requires User added FSV attribute that specifies the FSV file name.
-) Animate - Fixed an error that occurs when you select Animate during the run, then select either Wait for Time Delay or Wait for Key Press.
-) Model statement error - Fixed an intermittent library error involving PNP and NPN devices.
-) Recalling Gen Crash - Fixed an error that occurs when stepping recalls gen due many macros and .defines
Micro-Cap 10.0.9.0
-) JFET Model Upgrade - Upgraded the MC10 JFET to use the five additional parameters ISR, ALPHA, N, NR, and VK.
-) Undo / Redo - Undo / redo was not setting up .params/.define for the .if in the text page.
-) Properties Scales - Properties dialog scale changes affected more than one waveform.
-) Harmonic Distortion Gain/Phase - Plots of Gain and Phase were added to Harmonic distortion analysis.
-) Macro .HELP command - Fixed a problem with the macro .HELP command that caused it to malfunction when ther were extra spaces past the last " mark.
-) Model Import - Fixed a bug in the model user type which caused the import capability to fail.
-) Search bug - Fixed a crash that occurred when searching for a piece of text, then deleting that text, then searching for it again.
-) Picture dialog - Analysis Picture was not saving the "Keep Aspect Ratio" flag to the file.
-) M parameter fix - Corrected the JFET and GAASFET M parameter calculation.
Micro-Cap 10.0.8.2
-) Wildcard - Fixed an error that occurs when an illegal wildcard such as V(R[@]) is specified in the Analysis Limits dialog box.
-) Component Editor - Added a check for duplicate component names when exiting the Component Editor.
-) Analysis Re-run - Now runs an analysis after a text replacement operation.
-) Installation Folder - Changed the default installation path to c:\mc10 due to frequent write-protect issues with the Programs folder in Windows 7.
-) FREQ Expressions Update - Added the FREQ attribute to the expressions to be updated after a copy operation.
-) Table Source Expressions - Fixed errors in tables sources that lacked {} around expressions in the last parameter.
-) Paste Operation - Fixed an error that occurred when pasting a part with .model statements when the circuit source was closed.
Micro-Cap 10.0.8
-) Dynamic DC - Dynamic DC now correctly displays currents after running transient and then invoking Dynamic DC.
-) .PARAM Statement - The .PARAM statement now allows IF statements within the table.
-) Diode M Parameter - The diode, BJT, JFET, and Gaasfet M values can now be greater than or equal to 1.0. If equal to 1.0, M is set to 0.999.
-) User Model Optimizer - The maximum number of optimizable parameters was increased to 20 from 8.
-) User Model Optimizer - A command was added to export the results to a text file.
-) User Model Optimizer - Numeric formatting was added for optimized parameters.
-) User Model Optimizer - Error handling was improved for the parameter select dialog box.
-) User Model Optimizer - A bug was fixed that caused a crash when the User circuit had a warning message.
-) Analysis Tags - Analysis tags now have visible handles when the graph background is black.
-) Filter Design Plot - The Filter Design Plot Properties Numeric Ouput and Save Curves are now accessible.
-) Color Dialog Box - Invoking the Color dialog box on a system with two monitors now displays it on both monitors.
-) Circuit Scrolling - Circuit scrolling now works properly even when the circuit is enlarged. Formerly the right edge was not reachable with scrolling.
-) Cross-hair Cursors - Cross-hair cursors now show up correctly even when coincident with a select box.
-) Shape Editor - Fixed a bug in the Shape editor where shapes stayed gray when the Black and White option was used.
-) Variables Pop-up List - Fixed a bug in the variables pop-up list.
-) Diode Attribute Dialog Box - Fixed a bug in the dialog box where if you used {n1} were n1 is '.define n1 1k' for param n it gave an error.
-) Rectangle Handle Selection - Improved rectangle handle selection.
-) Anchor Color - Added an anchor color to specify the reference shape for the alignment commands.
Micro-Cap 10.0.7
-) Pseudo Transient Operating Point Method - The Pseudo Transient Operating Point Method has been modified so that it works with AC analysis.
-) FC Diode Parameter - The FC parameter in the diode model can now be defined with a negative value.
-) Monte Carlo Histograms - Histograms that have a very fine grid size will now hide individual grid labels so that some labels stay on the screen.
-) FFT Window - The FFT Window can now operate on waveforms that have a log time scale on the X axis.
-) Numeric Output - Duplicate Y Expressions - An option has been added to the Numeric Output Properties page that lets the numeric output file contain duplicate Y expression columns.
-) Performance Tags - When a performance tag that had been hidden is redisplayed on the screen, it now has an offset from the bottom left corner so that the value can be grabbed and moved easily.
-) PG Operator - The PG operator has been expanded so that it now works with User Sources and WAV File Sources.
-) Schematic Graphic Objects - A select box drawn in a schematic will only select an unfilled graphic object if the select box covers any of the graphic object's border. A select box entirely within a graphic object does not select the encompassing object.
-) Rainbow Option - The Rainbow option for a waveform color now only has an effect when multiple branches are simulated such as in Stepping or Monte Carlo. For a single branch simulation, the color used will be that defined in the analysis limits dialog box.
-) Line Object - Holding the Shift key down while drawing a graphic line object forces the line into one of eight positions: the four orthogonal orientations and the four possible 45 degree orientations.
-) Shortcuts - More than one shortcut key combination can now be assigned to a single command.
-) TMAX, TSTART X Range Setting - In the Transient Analysis Limits dialog box, clicking the X-Range column header and selecting the TMAX, TSTART option only updates those waveform lines that contain the T variable in the X expression.
-) .Param Statement - The Param statement can now be used to define data points within table source components.
-) Show All Paths command - The Show All Paths command now highlights subcircuit devices that the selected digital path goes through.
-) Model Program - Initialize - The Initialize command now reorders the data according to the value in the X field.
-) Subcircuit PARAM: Statement - A subcircuit call that contains an empty PARAM: statement is now ignored.
Micro-Cap 10.0.6
-) 3D, FFT, Performance and Monte Carlo Windows - These windows now check the currently open windows to determine the window size that they will initially be created with.
-) Distortion Analyses - The analyses now check all possible steps to determine whether to warn the user about the instance where a very large number of cycles will be simulated.
-) W (Current Switch) - The error message for when the voltage source specified in the REF attribute for the W (Current Switch) component has been improved.
-) Localize Models - The Localize Models command has been improved to handle the cases where a subcircuit model has nested subcircuits within it.
-) Step Selection Operator - The Step Selection Operators can now be mixed in an expression that also contains a define variable.
Micro-Cap 10.0.5
-) Stepping Limit - The total number of steps that can be specified in a stepping operation has been increased to 30,000.
-) Analysis Print Preview - An Individual Pages option has been added to the print preview. This prints all of the selected pages where each page is printed to its own sheet of paper.
-) Enable Regions - An enable region can no longer disable another enable region. This provides the capability to have overlapping enable regions.
-) Model Program - For a user part, if the X variable is T (for a transient analysis) or F (for an AC analysis), the underlying simulation has its range adjusted depending on the data entered in the model data.
-) Model Program - For a user part, the optimizer now ignores data points where the X variable does not have a match in the underlying simulation.
-) User Source AC Analysis Operating Point Value - The User Source now uses the value specified when Time=0 in the USR file as the DC value for the source during an AC analysis operating point calculation.
-) Capacitor - If a capacitor has been specified with an expression such as C(C3), where the C3 capacitor is a constant value, the standard linear capacitor model will be used instead of the nonlinear capacitor.
-) BSIM4 - The Level=54 model has now been mapped into the BSIM4 model.
-) Default Expressions - In the AC Analysis Limits, the default operator is now specified with the case dB instead of db.
-) Default Expressions - When a node name has been specified in the schematic, the default expressions in the analysis limits now use the same case that the user entered.
-) Model Program Data - The tab key now scrolls through all of the data in the list rather than just what appears on screen before advancing to the next object.
-) Model Program - For a user part, if the underlying AC simulation has its frequency step set to Auto, the Model program now automatically converts that to Log for the optimization.
-) Add Part Wizard - When adding a macro in the Add Part Wizard of the Component Editor, the Name field now defaults to the name of the macro file.
-) Analysis Print Preview - When selecting pages for printing from the list, the Ctrl and Shift keys can now be used with the mouse to select multiple windows.
-) Component Editor Wizards - The Add Part Wizard and Import Wizard now ignore the Palette setting of the component that is being used as a template.
-) SPICE .OP Statement - If a .OP statement is specified in a SPICE circuit file, the Model Parameters and Operating Point Values will automatically be enabled for the numeric output.
-) Perform_M Global Setting - The maximum value that the Perform_M global setting can be set to has been increased to 10.
Micro-Cap 10.0.4
-) New Batch File Image Commands - New commands are now available for use in batch files that perform image captures to aid in quickly creating documentation. Images can be created for any circuit page, analysis page, performance plot window, 3D plot window, FFT window, or histogram window.
-) Model Program - Fixed Parameter - The parameters that are setup for a user defined model now have an option to be fixed. The value entered for the parameter will not be affected by any initialization or optimization. The fixed parameter value will be used during an optimization and when the corresponding model is created.
-) Model Program - Diode Parameters - The BV, EG, and XTI parameters for the diode in the Model program now always maintain the value that has been entered in the field. Any initialization or optimization will have no effect on the value.
-) Model Program - RLC Limits - Any resistor, capacitor, or inductor that is being optimized in the Model program now have their minimums hardcoded at 0 to prevent negative impedances.
-) Model Program - User Part - The memo field is now added right above the model when a library is created.
-) Continuous Phase Calculation - The phase plot calculations now produce a continuous phase plot when a step selection operator is used in the phase expression being plotted.
-) Toolbar Loading - The loading of the toolbars in the program has been optimized to minimize delays. This will mainly aid systems that still use 16 bit color.
-) Diode_Max_IS Global Settings - The Diode_Max_IS global setting was added. This limits the maximum value of IS in a diode when the N diode parameter has been set to a value smaller than .1 in order to help prevent any overflows during the simulation.
-) Normalization Operators - The normalization operators now force a Log frequency step in AC analysis if the frequency step was previously set to Auto.
-) .TR Statement - The .TR statement which sets the maximum time step in transient analysis is now available in SPICE circuit files.
-) .PSS Statement - A .PSS statement has been added for SPICE text files in order to both enable the periodic steady state option and to define its settings.
Micro-Cap 10.0.3
-) Diagonal GMIN Stepping - The diagonal GMIN stepping was improved to aid in convergence with DC operating point calculations.
-) Poly Sources - The SPICE poly sources have had their convergence routines improved.
-) Table Function - The table function has been improved to both run faster during a simulation and to converge better.
-) Retrace - The Retrace capability in transient analysis now remembers the time step information from the prior run.
-) FFT Windows - The THD and IHD waveforms now have default unit settings of %. The phase waveform now has a default unit setting of degrees.
-) Impedance Operator Z() - The Z() impedance operator now works with inductors and capacitors that have been defined with a nonlinear equation in AC analysis.
-) Limit Operator - The Limit operator can now handle the case where the maximum and minimum parameters for the operator have been swapped.
-) AC Analysis - The low frequency limit in AC analysis has been set to 1e-30Hz.
-) Coupled Inductors - The convergence of coupled inductors has been improved for situations when the inductors have been defined with an extremely high inductance value.
-) Diode Model - One of the diode current error checks has been modified to better aid convergence.
-) Border and Title Block - An entry called Title Block Border has been added to the objects list in the schematic Properties dialog box. This object controls the color of the border and the title block outline.
-) Rename Components - The Rename Components command will now ignore expressions in the analysis limits that specify components within a subcircuit or macro.
-) Performance Plot Numeric Output - The default file name for a numeric output file created through a performance plot now automatically strips out any characters that would create an illegal file name.
-) Picture Files - Schematic files now look for a picture file in the local directory before searching through the paths specified in the Picture field of the Paths dialog box.
-) Check for Updates - The Check for Updates dialog box now has a horizontal scroll bar in the operations field so that long path and files can be seen.
Micro-Cap 10.0.2
-) Tranmission Line - The F and S variables can now be used in the transmission line parameters. For example, the R parameter in the lossy transmission line model can have an expression containing the variable F in order to model the skin effect. Note that these frequency variables will only be updated in an AC or Dynamic AC analysis. In any other type of analysis, these variables will be calculated assuming that the frequency is 0.
-) Ideal Transmission Line - The history is now stored for the ideal transmission line so that it can operate with the Retrace and Leave options in the transient analysis.
-) Print Preview - A dotted line is now displayed in the schematic print preview to show the printed area available.
-) Print Preview - Black and White and Gray Scale options are now available in the print preview dialog boxes.
-) Analysis Plots - The Text and Graphics modes are now available to use on plots that do not have any data present.
-) Align Commands - The align commands can now be used with analysis text.
-) PWL - The check to see if there are duplicate X values in the PWL data now ignores data points that contain the same Y value when a repeat is used.
-) Optimizer - The red target dots can now be displayed on multiple waveforms when the optimizer is trying to optimize to more than one waveform.
-) WAV Output - The Sample Rate and Number of Bits selected for the WAV output is now saved in the circuit file.
-) Status Bar - Status bar help has been added for the Dynamic AC and the Dynamic DC dialog boxes.
-) Preferences - Changes made in the International Settings and Auto Save pages is now stored without having to hit Apply when changing between pages in the Preferences dialog box.
-) Distortion Plots - The list available in the What to Plot fields can now expand past the original width of the field.
-) Get Performance Function - The list available in the Expressions field can now expand past the original width of the field.
Micro-Cap 10.0.1
-) Analysis Progress Bar - The analysis progress bar now takes into account the periodic steady state calculations.
-) Attribute Dialog Box Font - The attribute that is currently selected in the Attribute dialog box will now be the attribute selected in the Font dialog box when the Font button is clicked.
-) Distortion Analyses - The hardcoded waveforms no longer have their ranges error checked when the plot for the waveform is disabled.
-) Distortion Analyses - The hardcoded waveforms may now be manually scaled in the analysis limits.
-) Harmonic Distortion - The THD waveform can now store the waveform style that a user selects from one analysis session to another.
-) Distortion Analyses - The autoscale now checks the FFT page of the Properties dialog box to determine the scaling range for the FFT waveforms.
-) S and W Switches - These switch models were modified to help prevent floating point errrors when the On and Off triggers were set extremely close together.

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