-
- |
-
- |
-
- |
-
- |
-
- |
-
-
-
- 3 |
-
- April |
-
- 2013 |
-
- Migrated repository to Git
- on Sourceforge. Old trunk is moved to the branch
- qucs-qt3 |
-
-
-
- 23 |
-
- Dec |
-
- 2012 |
-
- Qucs ported to qt4, code can be found on Sourceforge / Git |
-
-
-
- 15 |
-
- Dec |
-
- 2012 |
-
- Upgrade to new Sourceforge platform (code-named
- Allura) |
-
-
-
- 11 |
-
- Dec |
-
- 2011 |
-
- Changes to avoid compile issues with g++ version 4.5
- and above. |
-
-
-
- 17 |
-
- Mar |
-
- 2011 |
-
- Released Qucs 0.0.16 ! |
-
-
-
- 12 |
-
- Mar |
-
- 2011 |
-
- New HICUM L0 v1.3 Verilog-A transistor model
- added. |
-
-
-
- 11 |
-
- Mar |
-
- 2011 |
-
- New components: hybrid, ideal coupled transmission line
- and tunnel diode model implemented. |
-
-
-
- 3 |
-
- Mar |
-
- 2011 |
-
- Implementation of interactive GNU Octave
- connection. |
-
-
-
- 2 |
-
- Mar |
-
- 2011 |
-
- Migration from CVS to SVN. |
-
-
-
- 3 |
-
- Feb |
-
- 2011 |
-
- Publication "A tabular source approach to modelling
- and simulating device and circuit noise in the time
- domain" now
- online. Thank you again Mike Brinson! |
-
-
-
- 29 |
-
- Nov |
-
- 2010 |
-
- Publication "Modeling the frequency response of
- microwave radiometers with QUCS" now online. Thanks a lot
- to Andrea! |
-
-
-
- 6 |
-
- Nov |
-
- 2010 |
-
- New HICUM L0 v1.2g Verilog-A transistor model
- added. |
-
-
-
- 26 |
-
- Mar |
-
- 2010 |
-
- New HICUM L2 v2.24 Verilog-A transistor model
- added. |
-
-
-
- 3 |
-
- Mar |
-
- 2010 |
-
- Publication "A Hybrid Verilog-A and Equation-defined
- Device Approach to MOS Switched Current Analog Cell
- Modeling and Simulation in the Transient and Large Signal
- AC Domains" has been accepted at MIXDES
- 2010 in Wrocław. Thanks a lot to Mike
- Brinson! |
-
-
-
- 26 |
-
- Feb |
-
- 2010 |
-
- Publication "Z Domain Delay Subcircuits and Compact
- Verilog-A Macromodels for Mixed-mode Sampled Data Circuit
- Simulation" at Radioelectronics & Informatics
- Journal is now online.
- Thanks a lot to M.E. Brinson and H. Nabijou! |
-
-
-
- 31 |
-
- Oct |
-
- 2009 |
-
- Implemented EMI receiver functionality for use in the
- equation solver. Thanks to Dirk for motivating and helping
- with this features implementation. |
-
-
-
- 27 |
-
- Oct |
-
- 2009 |
-
- Verilog-A syntax highlighting, association of symbol
- drawings to Verilog-A code and support for C++ code export
- of symbol drawings associated with Verilog-A files. |
-
-
-
- 23 |
-
- Oct |
-
- 2009 |
-
- Added Verilog-HDL syntax highlighting in text
- documents. Support for direct association of symbol
- drawings to Verilog-HDL and VHDL code. |
-
-
-
- 9 |
-
- Oct |
-
- 2009 |
-
- Added support for pre-compiled VHDL modules and
- libraries made from user-written VHDL code. |
-
-
-
- 5 |
-
- Oct |
-
- 2009 |
-
- Support for Matlab v4 as an export file format in the
- Qucs-Converter command line tool. |
-
-
-
- 26 |
-
- Sep |
-
- 2009 |
-
- Created FreeHDL MacOSX package. Please check this
- installer
- and give feedback if it works as expected. |
-
-
-
- 14 |
-
- Sep |
-
- 2009 |
-
- Released bugfixed
- MacOSX binary installer. Please download the package if
- the previous one didn't work for you. |
-
-
-
- 10 |
-
- Sep |
-
- 2009 |
-
- Ph.D. research topic open for application. Click here for more information. |
-
-
-
- 19 |
-
- May |
-
- 2009 |
-
- New section about
- time domain simulation using a simple LC tank example
- in the MediaWiki. |
-
-
-
- 17 |
-
- May |
-
- 2009 |
-
- Translation into Kazakh. Thanks a lot to Erbol! |
-
-
-
- 16 |
-
- May |
-
- 2009 |
-
- New section about
- parametric sweeps in the MediaWiki. Hope this is useful
- for someone. |
-
-
-
- 10 |
-
- May |
-
- 2009 |
-
- Preliminary new filter synthesis application (including
- Blinchikoff, Legendre, optimized Cauer, ZigZag and inverse
- Chebychev filter types) added. Thanks a lot to
- Vincent! |
-
-
-
- 6 |
-
- May |
-
- 2009 |
-
- Added another section about
- DC simulation for beginners in our MediaWiki. Please
- feedback. Also contributions from users would be very
- appreciated. |
-
-
-
- 3 |
-
- May |
-
- 2009 |
-
- Limited support for equations in Verilog-HDL and VHDL
- subcircuits. |
-
-
-
- 25 |
-
- Apr |
-
- 2009 |
-
- Released Qucs 0.0.15 ! |
-
-
-
- 21 |
-
- Apr |
-
- 2009 |
-
- Publication "Compact device modelling for
- established and emerging technologies with the Qucs GPL
- circuit simulator" has been accepted at MIXDES
- 2009 in Łódź. Thanks a lot to Mike
- Brinson! |
-
-
-
- 19 |
-
- Apr |
-
- 2009 |
-
- Matrix exponentation for integral positive and negative
- powers available in equation solver. Implemented parameters
- in Verilog-HDL subcircuits. |
-
-
-
- 16 |
-
- Apr |
-
- 2009 |
-
- Introduced global nodes (e.g. subst!) in analogue
- simulator. |
-
-
-
- 14 |
-
- Apr |
-
- 2009 |
-
- VHDL files and subcircuits can handle typed generic
- variables as parameters. |
-
-
-
- 6 |
-
- Apr |
-
- 2009 |
-
- Updated list of available components. |
-
-
-
- 1 |
-
- Apr |
-
- 2009 |
-
- New transmission line defined by RLCG values
- available. |
-
-
-
- 29 |
-
- Mar |
-
- 2009 |
-
- Added phototransistor Verilog-A model presented at
- COMON meeting
- demonstration. Thanks to Mike Brinson! |
-
-
-
- 28 |
-
- Mar |
-
- 2008 |
-
- SPICE 2g6 F, H, G and E polynomial sources are now
- correctly translated by Qucs-Converter command line
- tool. |
-
-
-
- 20 |
-
- Mar |
-
- 2009 |
-
- Attention: Fixed bug in voltage controlled
- relais. It represented a negative resistor previously. |
-
-
-
- 18 |
-
- Mar |
-
- 2009 |
-
- Publication "Advances in compact semiconductor
- device modelling and circuit macromodelling with the Qucs
- GPL circuit simulator" has been accepted for oral
- presentation at MOS-AK Meeting
- 2009 in Frankfurt/O. Thanks to Mike! |
-
-
-
- 17 |
-
- Mar |
-
- 2009 |
-
- Import dialog has been replaced by complete
- import/export frontend for the Qucs-Converter command line
- tool. |
-
-
-
- 15 |
-
- Mar |
-
- 2009 |
-
- Allowing VHDL files on schematic with arbitrary in/out
- signal types. |
-
-
-
- 7 |
-
- Mar |
-
- 2009 |
-
- Publication "Modelling of high-frequency inductance
- with Qucs non-linear radio frequency equation defined
- devices" at IJE is now
- online. Thanks a lot to Mike Brinson! |
-
-
-
- 3 |
-
- Mar |
-
- 2009 |
-
- Added many new digital primitives defined in analogue,
- Verilog and VHDL simulations. Thanks to Mike. |
-
-
-
- 20 |
-
- Jan |
-
- 2009 |
-
- Publication "Compact macromodelling of operational
- amplifiers with equation defined devices" at IJE is now
-
- online. Thanks a lot to Mike Brinson! |
-
-
-
- 27 |
-
- Nov |
-
- 2008 |
-
- Added post install script for MacOSX as well as
- appropriate icons. Thanks to Dirk for friendly machine
- support. Please check this installer and
- give feedback if it works as expected. |
-
-
-
- 8 |
-
- Nov |
-
- 2008 |
-
- New digital buffer component added (VHDL, Verilog and
- analog model). |
-
-
-
- 2 |
-
- Nov |
-
- 2008 |
-
- Attention: Fixed severe bug in time switch. It
- represented a negative resistor previously. |
-
-
-
- 30 |
-
- Oct |
-
- 2008 |
-
- Merged NMOS and PMOS models of Verilog-A EKV v2.6
- MOSFET model. |
-
-
-
- 26 |
-
- Oct |
-
- 2008 |
-
- Allowing parameter sweep and other variables in
- constant parameter simulation boxes. |
-
-
-
- 25 |
-
- Oct |
-
- 2008 |
-
- Added new report chapter about
- the Verilog-A photodiode model contributed by Mike
- Brinson. |
-
-
-
- 23 |
-
- Oct |
-
- 2008 |
-
- Please note: Set up a
- little survey. Please take the minute to answer few of
- our questions. |
-
-
-
- 22 |
-
- Oct |
-
- 2008 |
-
- Support of US letter formats for schematic frame. |
-
-
-
- 12 |
-
- Oct |
-
- 2008 |
-
- Updated EPFL-EKV v2.6 Verilog-A model report. |
-
-
-
- 10 |
-
- Oct |
-
- 2008 |
-
- Implementation of modular photodiode Verilog-A model
- added. Thanks a lot to Mike Brinson! |
-
-
-
- 9 |
-
- Oct |
-
- 2008 |
-
- Added temperature dependent model for gold, copper and
- stainless steel of rectangular waveguide. Thanks to Andrea
- Zonca! |
-
-
-
- 2 |
-
- Oct |
-
- 2008 |
-
- New HICUM L2 v2.23 Verilog-A transistor model
- added. |
-
-
-
- 23 |
-
- Sep |
-
- 2008 |
-
- Added preliminary implementation of HICUM L0 v1.2
- Verilog-A transistor model. |
-
-
-
- 13 |
-
- Sep |
-
- 2008 |
-
- Implementation of ddx() operator in equations. |
-
-
-
- 5 |
-
- Sep |
-
- 2008 |
-
- Publication "Qucs: A GPL software package for
- circuit simulation, compact device modelling and circuit
- macromodelling from DC to RF and beyond" at IJNM is now
-
- online. Thanks a lot to Mike Brinson! |
-
-
-
- 6 |
-
- Aug |
-
- 2008 |
-
- Simulation time for digital files (Verilog and VHDL)
- now stored in additional configuration file. |
-
-
-
- 4 |
-
- Aug |
-
- 2008 |
-
- Added Czech translations of the internal help system.
- Thanks to Martin Stejskal. |
-
-
-
- 17 |
-
- Jul |
-
- 2008 |
-
- Attention: Fixed bug in the S-parameters of the
- differential voltage probe. |
-
-
-
- 11 |
-
- Jul |
-
- 2008 |
-
- Existing HICUM models can now be converted from SPICE
- by the QucsConv tool into model library entries. |
-
-
-
- 5 |
-
- Jul |
-
- 2008 |
-
- Cotter W. Sayre's RF Design Book "Complete Wireless
- Design 2nd Edition" has been published. He uses Qucs
- for demonstration purposes about how it can be used to
- design RF devices. Have a look here. |
-
-
-
- 26 |
-
- Jun |
-
- 2008 |
-
- New component: rectangular waveguide. Thanks to
- Bastien! |
-
-
-
- 25 |
-
- Jun |
-
- 2008 |
-
- Added noise figure property to amplifier model. |
-
-
-
- 14 |
-
- Jun |
-
- 2008 |
-
- New Verilog-A devices EPFL-EKV NMOS/PMOS V2.6
- implemented. Thanks a very lot to Mike Brinson! Also added
- an appropriate ReportBook chapter. |
-
-
-
- 7 |
-
- Jun |
-
- 2008 |
-
- Added new varistor (EPCOS) library. Thanks to Gunther
- Kraut! |
-
-
-
- 5 |
-
- Jun |
-
- 2008 |
-
- Improved overview about unofficial (binary) Qucs
- packages. |
-
-
-
- 29 |
-
- May |
-
- 2008 |
-
- New library containing some voltage regulators like,
- e.g., LM140 added. |
-
-
-
- 5 |
-
- May |
-
- 2008 |
-
- Added three more libraries: NMOSFETs, PMOSFETs and
- Ideal. Thanks to Gunther Kraut. |
-
-
-
- 2 |
-
- May |
-
- 2008 |
-
- Publication "Interactive compact device modelling
- using Qucs equation-defined devices" at IJNM is now
-
- online. Thanks a lot to Mike Brinson! |
-
-
-
- 10 |
-
- Apr |
-
- 2008 |
-
- Released Qucs 0.0.14 ! |
-
-
-
- 4 |
-
- Apr |
-
- 2008 |
-
- Publication "Qucs: A GPL software package for
- circuit simulation, compact device modeling and circuit
- macromodeling from DC to RF and beyond" has been
- presented during MOS-AK Workshop 2008
- in Eindhoven. Thanks to Mike for taking the time and his
- valueable contribution. |
-
-
-
- 1 |
-
- Apr |
-
- 2008 |
-
- New Verilog-A models: MESFET (Curtice, Statz, TOM-1 and
- TOM-2 included). Thanks a lot to Mike Brinson! Also added
- an appropriate report chapter for the model
- documentation. |
-
-
-
- 16 |
-
- Mar |
-
- 2008 |
-
- Added coplanar lines (w/ and w/o backside metalization)
- to the Qucs Transcalc tool. |
-
-
-
- 7 |
-
- Mar |
-
- 2008 |
-
- Finally fixed printing under Win32. Choosing
- AllPages/Selection is now properly working. Thanks to
- Christian Ehrlicher! |
-
-
-
- 1 |
-
- Mar |
-
- 2008 |
-
- Fixed printing (font sizes) under Win32 using some
- work-arounds for current Qt3 implementation. |
-
-
-
- 21 |
-
- Feb |
-
- 2008 |
-
- Also implemented 2-port equation defined RF device
- including H-, G-, T- and A-parameters (all hybrid). |
-
-
-
- 18 |
-
- Feb |
-
- 2008 |
-
- Preliminary implementation of multi-port equation
- defined RF device (RF-EDD). S-, Y- and Z-parameters
- available. |
-
-
-
- 8 |
-
- Feb |
-
- 2008 |
-
- New component: Potentiometer Verilog-A model. Thanks a
- lot to Mike Brinson! |
-
-
-
- 1 |
-
- Feb |
-
- 2008 |
-
- Support for sub- and super-script in graphical text
- paintings. |
-
-
-
- 25 |
-
- Jan |
-
- 2008 |
-
- New components: Thyristor (SCR) and Triac. |
-
-
-
- 21 |
-
- Jan |
-
- 2008 |
-
- Added new Verilog-A transistor model HICUM L0 v1.12 to
- the available components. Both npn and pnp types seem to
- work properly. |
-
-
-
- 19 |
-
- Jan |
-
- 2008 |
-
- New component: Logarithmic Amplifier Verilog-A device.
- Thanks to Mike Brinson! Added a report chapter about the new component,
- also provided by Mike Brinson. |
-
-
-
- 18 |
-
- Jan |
-
- 2008 |
-
- Implemented 3- and more argument versions of PlotVs()
- in the equation solver. |
-
-
-
- 16 |
-
- Jan |
-
- 2008 |
-
- Added working Diac implementation. |
-
-
-
- 30 |
-
- Dec |
-
- 2007 |
-
- Released Qucs 0.0.13 ! |
-
-
-
- 20 |
-
- Dec |
-
- 2007 |
-
- Added new Verilog-A transistor model HICUM L2 v2.22 to
- the available components. |
-
-
-
- 13 |
-
- Dec |
-
- 2007 |
-
- New component: Modular Operational Amplifier Verilog-A
- device. Thanks a lot to Mike Brinson! Also added a new
- report chapter about this new
- component. |
-
-
-
- 2 |
-
- Nov |
-
- 2007 |
-
- Added simple Smith chart example provided by Fredy
- Konig. Also added optional third argument to unwrap(). |
-
-
-
- 1 |
-
- Nov |
-
- 2007 |
-
- New functions in the equation solver: StabMeasure() for
- the stability measure B1 of a 2-port network and
- StabFactor() as an alias for Rollet(). |
-
-
-
- 31 |
-
- Oct |
-
- 2007 |
-
- New radiometer
- model added to the example section (provided by
- Andrea
- Zonca). |
-
-
-
- 30 |
-
- Oct |
-
- 2007 |
-
- Added new example
- provided by Fredy Konig showing how to use AC and
- S-parameter simulations and some equations to obtain the
- group delay of a Butterworth filter. |
-
-
-
- 23 |
-
- Oct |
-
- 2007 |
-
- New component: file based current source. Added gain
- and delay parameter to both file based sources. |
-
-
-
- 23 |
-
- Sep |
-
- 2007 |
-
- Allowing immediate vectors [v1, v2, ...] and matrices
- [m11, m12, ...; m21, m22, ...] in equations. |
-
-
-
- 19 |
-
- Sep |
-
- 2007 |
-
- New functions added to the equation solver: random()
- and srandom(). |
-
-
-
- 14 |
-
- Sep |
-
- 2007 |
-
- Poster
- Interactive Compact Device Modeling Using Qucs Equation
- Defined Devices presented during ESSDERC/ESSCIRC MOS-AK
- Workshop in Munich by Mike Brinson. Thanks for coming from
- London. |
-
-
-
- 2 |
-
- Sep |
-
- 2007 |
-
- Allowing engineering notation of numbers (e.g. 1u
- instead of 1e-6) in equations (pre- and post-processing as
- well as EDD). |
-
-
-
- 27 |
-
- Aug |
-
- 2007 |
-
- Qucs-Converter command line tool allows export of
- Touchstone data files. |
-
-
-
- 22 |
-
- Aug |
-
- 2007 |
-
- Poster contribution "Interactive Compact Device
- Modeling Using Qucs Equation Defined Devices" has been
- accepted for MOS-AK/ESSDERC/ESSCIRC
- Workshop 2007 in Munich. Thanks to Mike and
- Wladek. |
-
-
-
- 16 |
-
- Aug |
-
- 2007 |
-
- CSV files files can be converted into Qucs datasets
- with the Qucs-Converter. |
-
-
-
- 13 |
-
- Aug |
-
- 2007 |
-
- New component: file based voltage source. Thanks a lot
- to Gunther. |
-
-
-
- 17 |
-
- Jun |
-
- 2007 |
-
- Released Qucs 0.0.12 !
- Also updated the technical
- documentation. |
-
-
-
- 3 |
-
- Jun |
-
- 2007 |
-
- New tutorial: Component, compact device and circuit
- modelling using symbolic equations. A thousand thanks to
- Mike for this great piece of work. Updated the WorkBook. |
-
-
-
- 2 |
-
- Jun |
-
- 2007 |
-
- New report: Curtice level 1 MESFET model published. Thanks to Mike Brinson. |
-
-
-
- 31 |
-
- May |
-
- 2007 |
-
- Preprocessor selectable in SPICE file component. |
-
-
-
- 24 |
-
- May |
-
- 2007 |
-
- Added new vt() function (thermal voltage) and also made
- "q" (elementary charge) a constant in the equation
- solver. |
-
-
-
- 17 |
-
- May |
-
- 2007 |
-
- Implementation of mutual inductances with a virtually
- unlimited number of inductors. Available in the SPICE to
- Qucs conversion program. |
-
-
-
- 10 |
-
- May |
-
- 2007 |
-
- Added Ukrainian translations. Thanks to Dystryk. |
-
-
-
- 9 |
-
- May |
-
- 2007 |
-
- Component library can now contain analogue as well as
- digital (Verilog and VHDL) subcircuits. |
-
-
-
- 7 |
-
- May |
-
- 2007 |
-
- FreeHDL
- (used by Qucs for digital VHDL simulations) has finally
- been accepted in Debian. |
-
-
-
- 3 |
-
- May |
-
- 2007 |
-
- New hypot() and limexp() functions in the set of
- available operations. |
-
-
-
- 29 |
-
- Apr |
-
- 2007 |
-
- Added arcsec(), arccosec(), arsech() and arcosech()
- functions to the equati$ solver. Also support for logical
- and rational operators as well as the ternary ?:
- construct. |
-
-
-
- 21 |
-
- Apr |
-
- 2007 |
-
- Support for symbolically defined devices. Explicit
- equations allowed. |
-
-
-
- 20 |
-
- Apr |
-
- 2007 |
-
- Publication "GNU Simulators Supporting Verilog-A
- Compact Model Standardization" at MOS-AK meeting.
- Thanks to Mike Brinson and Wladek Grabinski. |
-
-
-
- 15 |
-
- Apr |
-
- 2007 |
-
- Two new components: exponential voltage and current
- pulse sources. Thanks to Gunther. |
-
-
-
- 10 |
-
- Apr |
-
- 2007 |
-
- Added Verilog file component. |
-
-
-
- 9 |
-
- Apr |
-
- 2007 |
-
- Initiated the ReportBook. |
-
-
-
- 30 |
-
- Mar |
-
- 2007 |
-
- Started support for Verilog-HDL using Icarus Verilog as
- an alternative to VHDL regarding digital simulations. |
-
-
-
- 21 |
-
- Mar |
-
- 2007 |
-
- Finished the introductory tutorial Getting Started with Qucs. |
-
-
-
- 18 |
-
- Mar |
-
- 2007 |
-
- Released Qucs 0.0.11 !
- Also updated the technical online documentation as well as
- the appropriate pdf and
- ps documents. |
-
-
-
- 17 |
-
- Mar |
-
- 2007 |
-
- Updated the WorkBook. Added an
- introductory tutorial. |
-
-
-
- 9 |
-
- Mar |
-
- 2007 |
-
- Mike Brinson started a SPICE/Qucs compatibility test. |
-
-
-
- 6 |
-
- Mar |
-
- 2007 |
-
- Updated the WorkBook. Added the
- tutorial update for operational amplifier modelling
- provided by Mike Brinson. |
-
-
-
- 3 |
-
- Mar |
-
- 2007 |
-
- Updated documentation section on homepage. Added some
- build instructions. |
-
- |
-
-
-
- 1 |
-
- Mar |
-
- 2007 |
-
- Implemented high-injection knee current parameter for
- the diode. |
-
- |
-
-
-
- 24 |
-
- Feb |
-
- 2007 |
-
- Input parameters of components can be used in
- equations. |
-
- |
-
-
-
- 21 |
-
- Feb |
-
- 2007 |
-
- Implementation of subcircuit parameters. Allow equation
- variables and sweep parameters in component properties and
- subcircuit parameters. Equations can be placed in
- subcircuits. |
-
- |
-
-
-
- 9 |
-
- Feb |
-
- 2007 |
-
- Improved visualization and selection of graphs and
- paintings at zoom levels != 1. No more grainy
- diagrams. |
-
- |
-
-
-
- 5 |
-
- Feb |
-
- 2007 |
-
- Implemented non-ideal microstrip cross junction
- model. |
-
- |
-
-
-
- 24 |
-
- Jan |
-
- 2007 |
-
- New tutorial "Qucs simulation of SPICE netlists"
- provided by Mike Brinson. WorkBook
- has been updated. |
-
- |
-
-
-
- 23 |
-
- Jan |
-
- 2007 |
-
- Two new components: 4-terminal transmission line and
- twisted-pair line. |
-
- |
-
-
-
- 20 |
-
- Dec |
-
- 2006 |
-
- Implementation of bondwire model. Thanks to
- Bastien. |
-
- |
-
-
-
- 31 |
-
- Oct |
-
- 2006 |
-
- Using adms to translate
- Verilog-AMS device models into C++ code for use in Qucs.
- Two preliminary models for testing purposes: HICUM L2 v2.11
- and FBH-HBT. Thanks to Helene Parruitte and Bertrand
- Ardouin. |
-
- |
-
-
-
- 18 |
-
- Oct |
-
- 2006 |
-
- Added the Russian translation of the WorkBook provided by Vladimir. Thanks a
- lot! |
-
- |
-
-
-
- 15 |
-
- Sep |
-
- 2006 |
-
- Added the "Modelling the 555 Timer" tutorial provided
- by Mike Brinson to the WorkBook.
- Implementation of the excess phase in the BJT model during
- transient analysis. |
-
- |
-
-
-
- 4 |
-
- Sep |
-
- 2006 |
-
- New Czech translation. Thanks to Marek. Gopala started
- to port the GUI to Qt4 in a new CVS branch. |
-
-
-
- 1 |
-
- Sep |
-
- 2006 |
-
- Released Qucs 0.0.10 !
- Also updated the WorkBook. Added
- the tutorial update for digital simulation provided by Mike
- Brinson. |
-
-
-
- 31 |
-
- Aug |
-
- 2006 |
-
- Michael decided to quit programming on the GUI for a
- while. Gopala is going to take this part, hopefully. |
-
- |
-
-
-
- 30 |
-
- Aug |
-
- 2006 |
-
- Preliminary support for analog circuit optimizations
- using ASCO.
- Version 0.4.4 required. |
-
- |
-
-
-
- 21 |
-
- Aug |
-
- 2006 |
-
- IC-CAP model files files can be converted into Qucs
- datasets with the Qucs-Converter. Support of delay, rise
- and fall times in the rectangular voltage and current
- sources. Started implementaion of the optimization
- component. |
-
- |
-
-
-
- 31 |
-
- Jul |
-
- 2006 |
-
- Attenuator design tool by Toyoyuki Ishikawa. |
-
- |
-
-
-
- 25 |
-
- Jul |
-
- 2006 |
-
- Added the "Modelling Operational Amplifiers" tutorial
- provided by Mike Brinson to the WorkBook. |
-
- |
-
-
-
- 17 |
-
- Jul |
-
- 2006 |
-
- ZVR (R&S network analyzer) ascii files can be
- converted into Qucs datasets with the Qucs-Converter. A4
- page frame can be used in schematics for displaying and
- printing. |
-
- |
-
-
-
- 3 |
-
- Jul |
-
- 2006 |
-
- Support for nine-valued VHDL logic. Data import and
- export interface for the command line tool Qucs-Converter.
- Project package files for data exchange are now
- supported. |
-
- |
-
-
-
- 1 |
-
- Jul |
-
- 2006 |
-
- Singular value decomposition (SVD) is now available for
- solving linear (real as well as complex) equation
- systems. |
-
- |
-
-
-
- 9 |
-
- Jun |
-
- 2006 |
-
- Added the "Measurement Expressions Reference Manual"
- provided by Gunther Kraut to the WorkBook. |
-
- |
-
-
-
- 6 |
-
- Jun |
-
- 2006 |
-
- Touchstone files as well as CITIfiles can now be
- converted into Qucs datasets using the command line
- converter Qucs-Converter. Creating a user library from
- subcircuits is now possible. |
-
- |
-
-
-
- 29 |
-
- May |
-
- 2006 |
-
- Released Qucs 0.0.9 ! |
-
-
-
- 24 |
-
- May |
-
- 2006 |
-
- Update of the introductory tutorial about digital
- simulations. Thanks to Mike. New functions in the equation
- solver: Time2Freq() and Freq2Time(), also modified the
- dft(), idft(), fft() and ifft() functions. |
-
- |
-
-
-
- 15 |
-
- May |
-
- 2006 |
-
- Anonymous CVS instructions have been
- updated.
- Cross-compiling to the mingw32 target using a GNU/Linux box
- is now possible (both the qucs and qucs-core package). |
-
- |
-
-
-
- 7 |
-
- May |
-
- 2006 |
-
- Updated the WorkBook. Added the
- tutorial about the flip-flop models provided by Mike
- Brinson. Thanks a lot. |
-
- |
-
-
-
- 3 |
-
- May |
-
- 2006 |
-
- S-parameter file component can be open/short during DC
- analysis. Disabled components are either open or
- shorted. |
-
- |
-
-
-
- 2 |
-
- May |
-
- 2006 |
-
- Harmonic Balance: Non-linear (1-dimensional) balancing
- using diodes working. |
-
- |
-
-
-
- 28 |
-
- Apr |
-
- 2006 |
-
- New VHDL file component. Hand craftet VHDL components
- (files) can be used as subcircuits. |
-
- |
-
-
-
- 24 |
-
- Apr |
-
- 2006 |
-
- Harmonic Balance: Linear networks (R, L and C) with
- voltage excitations (Vac and Vdc) working. Stay tuned. |
-
- |
-
-
-
- 17 |
-
- Apr |
-
- 2006 |
-
- New translations into Russian. Thanks to Igor
- Gorbounov. |
-
- |
-
-
-
- 12 |
-
- Apr |
-
- 2006 |
-
- Started to implement the Harmonic Balance
- analysis. |
-
- |
-
-
-
- 10 |
-
- Apr |
-
- 2006 |
-
- VHDL text editor in the GUI for simulating VHDL
- directly. |
-
- |
-
-
-
- 28 |
-
- Mar |
-
- 2006 |
-
- Updated the WorkBook. Added the
- tutorial about digital simulation provided by Mike
- Brinson. |
-
- |
-
-
-
- 17 |
-
- Mar |
-
- 2006 |
-
- Implemented support for delay times of digital
- components' analogue models during the transient
- analysis. |
-
- |
-
-
-
- 15 |
-
- Mar |
-
- 2006 |
-
- Again new functions: besseli0(), kbd(), erfinv() and
- erfcinv(). |
-
- |
-
-
-
- 13 |
-
- Mar |
-
- 2006 |
-
- Support for two-argument functions of arctan(), min()
- and max(). Many new functions for equation solver: step(),
- besselj(), bessely(), erf(), erfc(), cumsum(), cumavg(),
- cumprod(), sqr(), polar(), rms(), dbm2w(), w2dbm(),
- integrate(), dbm(), runavg(), variance() and stddev().
- Thanks to Gunther Kraut for his contributions. |
-
- |
-
-
-
- 9 |
-
- Mar |
-
- 2006 |
-
- Conversion of Qucs dataset to CSV file possible using
- the command line converter Qucs-Converter. |
-
- |
-
-
-
- 2 |
-
- Mar |
-
- 2006 |
-
- New components: AM and PM modulated AC sources, relais
- and time controlled switch. Transient simulation model of
- ideal transmission line finally working. |
-
- |
-
-
-
- 26 |
-
- Feb |
-
- 2006 |
-
- Implementation of delay times of controlled sources
- during transient analysis. |
-
- |
-
-
-
- 22 |
-
- Feb |
-
- 2006 |
-
- New damping factors for AC voltage/current sources
- available. Frequency independent losses for 'ideal'
- transmission line implemented. Number of ports in
- S-parameter component not anymore limited. |
-
- |
-
-
-
- 13 |
-
- Feb |
-
- 2006 |
-
- New functions in equation solver: xvalue(), yvalue()
- and min(), max() and avg() with range specification.
- Language can be chosen in the application settings
- dialog. |
-
- |
-
-
-
- 3 |
-
- Feb |
-
- 2006 |
-
- Implementation of temperature dependencies of resistor.
- Output of characteristic values (e.g. ErEff or Zl) during
- S-parameter simulation possible. |
-
- |
-
-
-
- 1 |
-
- Feb |
-
- 2006 |
-
- New components: coaxial line and differential voltage
- probe. |
-
- |
-
-
-
- 25 |
-
- Jan |
-
- 2006 |
-
- Updated the installer for Win32, the technical
- online documentation as
- well as the ready-to-read postscript and pdf
- document.
- Also uploaded the preliminary WorkBook. |
-
- |
-
-
-
- 21 |
-
- Jan |
-
- 2006 |
-
- Released Qucs 0.0.8 ! |
-
-
-
- 17 |
-
- Jan |
-
- 2006 |
-
- Support for pure digital simulations using
- FreeHDL. |
-
- |
-
-
-
- 13 |
-
- Jan |
-
- 2006 |
-
- Preliminary support for (elliptic) Cauer filters in the
- filter synthesis tool. Thanks to Vincent. |
-
- |
-
-
-
- 11 |
-
- Jan |
-
- 2006 |
-
- Added pure digital components: D-flipflop, RS-flipflop
- and JK-flipflop. |
-
- |
-
-
-
- 9 |
-
- Jan |
-
- 2006 |
-
- Finished VCD to Qucs dataset conversion in the
- Qucs-Converter command line tool (necessary for digital
- simulations using FreeHDL). |
-
- |
-
-
-
- 4 |
-
- Jan |
-
- 2006 |
-
- New component: ideal coupler implemented (can also be
- used as hybrid). |
-
- |
-
-
-
- 2 |
-
- Jan |
-
- 2006 |
-
- Stefan decided to stay in Munich for a while. |
-
- |
-
-
-
- 19 |
-
- Dec |
-
- 2005 |
-
- Implementation of temperature/area models of existing
- non-linear device models. |
-
- |
-
-
-
- 5 |
-
- Dec |
-
- 2005 |
-
- New diagrams: Timing diagram and truth table for
- displaying results of digital simulations. |
-
- |
-
-
-
- 1 |
-
- Dec |
-
- 2005 |
-
- Started to communicate usage of the FreeHDL compiler in Qucs
- with the developers. FreeHDL is planned to perform digital
- simulations in Qucs. |
-
- |
-
-
-
- 24 |
-
- Nov |
-
- 2005 |
-
- Implementation of analog models of digital components
- (i.e. and, nand, xor, etc). |
-
- |
-
-
-
- 18 |
-
- Nov |
-
- 2005 |
-
- Displaying DC bias in schematic possible. Hidden lines
- in 3D diagram get invisible. |
-
- |
-
-
-
- 8 |
-
- Nov |
-
- 2005 |
-
- Moved tutorials and technical documentation into its
- own qucs-doc CVS.
- Thanks to Thierry Scordilis for the initial idea of the
- "Work Book" and thanks to Raimund for setting up the
- new CVS tree. |
-
- |
-
-
-
- 4 |
-
- Nov |
-
- 2005 |
-
- Qucs accepted at Fedora Extras. Thanks to Eric
- Tanguy. |
-
- |
-
-
-
- 19 |
-
- Oct |
-
- 2005 |
-
- Cubic spline interpolation in S-parameter file data
- possible. Added dft(), idft(), fft() and ifft()
- functionality in equation solver. |
-
- |
-
-
-
- 11 |
-
- Oct |
-
- 2005 |
-
- New components: mutual inductors and correlated noise
- sources. |
-
- |
-
-
-
- 26 |
-
- Sep |
-
- 2005 |
-
- Setup automatic
- CVS logger recording individual file changes in
- CVS. |
-
- |
-
-
-
- 21 |
-
- Sep |
-
- 2005 |
-
- New tutorial for 10dB coupler design available. |
-
- |
-
-
-
- 9 |
-
- Sep |
-
- 2005 |
-
- New dialog for changing properties of several
- components concurrently. |
-
- |
-
-
-
- 25 |
-
- Aug |
-
- 2005 |
-
- Some more filter types (Bessel, Chebyshev: band pass
- and band stop) supported by filter synthesis tool. |
-
- |
-
-
-
- 15 |
-
- Aug |
-
- 2005 |
-
- Many new transistors and diodes for the library
- manager. Thanks to Leandro Damian D'Archivio. |
-
- |
-
-
-
- 12 |
-
- Aug |
-
- 2005 |
-
- Power and noise matching tool with smith chart
- (one-port and two-port matching). |
-
- |
-
-
-
- 2 |
-
- Aug |
-
- 2005 |
-
- Setup link for Qucs RPM packages. |
-
- |
-
-
-
- 22 |
-
- Jul |
-
- 2005 |
-
- Released Qucs 0.0.7 ! Also updated the installer
- for Win32. |
-
- |
-
-
-
- 4 |
-
- Jul |
-
- 2005 |
-
- Project renaming to "Quite Universal Circuit Simulator"
- according to Trolltech's request. |
-
- |
-
-
-
- 23 |
-
- Jun |
-
- 2005 |
-
- New library manager for often used subcircuits, devices
- and substrates. LaTex-like mnemonics (e.g. \alpha or \pm)
- can be used in diagram labels as well as in graphic
- texts. |
-
- |
-
-
-
- 22 |
-
- Jun |
-
- 2005 |
-
- Started to add user tutorials in CVS. Thanks to Chris
- Pitcher. Available here. |
-
- |
-
-
-
- 13 |
-
- Jun |
-
- 2005 |
-
- Qucs package for FreeBSD. |
-
- |
-
-
-
- 10 |
-
- Jun |
-
- 2005 |
-
- Some more mathematical functions: unwrap(), rad2deg()
- and deg2rad(). |
-
- |
-
-
-
- 26 |
-
- May |
-
- 2005 |
-
- Updated installer for Win32 according to the 0.0.6
- release.
- Rotated text as well as filenames with spaces finally work
- in Qt®. |
-
- |
-
-
-
- 25 |
-
- May |
-
- 2005 |
-
- Released Qucs 0.0.6 ! |
-
- |
-
-
-
- 23 |
-
- May |
-
- 2005 |
-
- Updated technical online documentation as well as
- the ready-to-read postscript and pdf document. |
-
- |
-
-
-
- 17 |
-
- May |
-
- 2005 |
-
- SPICE component eventually available in the GUI.
- Converter command line tool can now also generate schematic
- entries for SPICE device models, useful to import device
- libraries. |
-
- |
-
-
-
- 13 |
-
- May |
-
- 2005 |
-
- Nightly CVS snapshot
- available. Thanks to Raimund. |
-
- |
-
-
-
- 12 |
-
- May |
-
- 2005 |
-
- New coplanar impedance step implemented. |
-
- |
-
-
-
- 2 |
-
- May |
-
- 2005 |
-
- New coplanar open- and short-circuits as well as series
- gap added. |
-
- |
-
-
-
- 24 |
-
- Apr |
-
- 2005 |
-
- Component properties can be edited directly on the
- schematic area. |
-
- |
-
-
-
- 15 |
-
- Apr |
-
- 2005 |
-
- Implemented three-dimensional cartesian diagram and
- locus curve. |
-
- |
-
-
-
- 10 |
-
- Apr |
-
- 2005 |
-
- Qucs has been accepted at Debian.
- Thanks to Jose. |
-
- |
-
-
-
- 30 |
-
- Mar |
-
- 2005 |
-
- First installer for Win32 releases done. |
-
- |
-
-
-
- 20 |
-
- Mar |
-
- 2005 |
-
- Updated the technical online documentation. |
-
- |
-
-
-
- 15 |
-
- Mar |
-
- 2005 |
-
- Noise and stability circles available. |
-
- |
-
-
-
- 9 |
-
- Mar |
-
- 2005 |
-
- Start development of transmission line calculator
- (based on the transcalc
- application) and filter synthesis program. |
-
- |
-
-
-
- 7 |
-
- Mar |
-
- 2005 |
-
- Implementation of AC and S-parameter noise for all
- microstrip components fixed. |
-
- |
-
-
-
- 2 |
-
- Mar |
-
- 2005 |
-
- Released Qucs 0.0.5 ! |
-
- |
-
-
-
- 25 |
-
- Feb |
-
- 2005 |
-
- AC noise analysis finished, all components
- available. |
-
- |
-
-
-
- 22 |
-
- Feb |
-
- 2005 |
-
- AC noise implementations of all noisy components.
- Testing in progress... |
-
- |
-
-
-
- 13 |
-
- Feb |
-
- 2005 |
-
- Homepage update. Brought some more screenshots online. |
-
- |
-
-
-
- 4 |
-
- Feb |
-
- 2005 |
-
- Preliminary coplanar line implementation finished.
- Thanks to Vincent Habchi. |
-
- |
-
-
-
- 1 |
-
- Feb |
-
- 2005 |
-
- Microstrip Tee implementation. |
-
- |
-
-
-
- 30 |
-
- Jan |
-
- 2005 |
-
- Basic AC noise analysis available. |
-
- |
-
-
-
- 2 |
-
- Dec |
-
- 2004 |
-
- Spice netlist converter. |
-
- |
-
-
-
- 30 |
-
- Nov |
-
- 2004 |
-
- New diagrams: Y-Smith and
- Smith-Polar-Combinations. |
-
- |
-
-
-
- 25 |
-
- Nov |
-
- 2004 |
-
- New components: Operational amplifier, Amplifier and
- Microstrip Via. |
-
- |
-
-
-
- 15 |
-
- Nov |
-
- 2004 |
-
- Stefan in Munich. |
-
- |
-
-
-
- 23 |
-
- Oct |
-
- 2004 |
-
- Released Qucs 0.0.4 ! |
-
- |
-
-
-
- 19 |
-
- Oct |
-
- 2004 |
-
- Updated the technical online documentation. |
-
- |
-
-
-
- 11 |
-
- Oct |
-
- 2004 |
-
- Some more example
- schematics added. |
-
- |
-
-
-
- 2 |
-
- Oct |
-
- 2004 |
-
- AC analysis finished, all components available. |
-
- |
-
-
-
- 25 |
-
- Sep |
-
- 2004 |
-
- Also non-linear transient analysis possible (e.g. JFET
- and diode). |
-
- |
-
-
-
- 19 |
-
- Sep |
-
- 2004 |
-
- Transient analysis of linear RCL networks. |
-
- |
-
-
-
- 8 |
-
- Sep |
-
- 2004 |
-
- Basic AC simulation features. |
-
- |
-
-
-
- 4 |
-
- Sep |
-
- 2004 |
-
- Released Qucs 0.0.3 ! |
-
- |
-
-
-
- 30 |
-
- Aug |
-
- 2004 |
-
- Implementation of various microstrip components. |
-
- |
-
-
-
- 10 |
-
- Aug |
-
- 2004 |
-
- New non-linear components: BJT and MOSFET. |
-
- |
-
-
-
- 26 |
-
- Jul |
-
- 2004 |
-
- Implementation of noise analysis based upon noise-wave
- correlation matrices and S-parameters.
- Updated homepage and list of available components. Also
- added online readable
- documents. |
-
- |
-
-
-
- 25 |
-
- Jun |
-
- 2004 |
-
- Added list of available
- components on homepage. |
-
- |
-
-
-
- 22 |
-
- Jun |
-
- 2004 |
-
- Non-linear DC analysis possible (e.g. JFET and
- diode). |
-
- |
-
-
-
- 3 |
-
- Jun |
-
- 2004 |
-
- Released Qucs 0.0.2 ! |
-
- |
-
-
-
- 22 |
-
- Mar |
-
- 2004 |
-
- Qucs is now available under MacOS 10.3 |
-
- |
-
-
-
- 26 |
-
- Feb |
-
- 2004 |
-
- Homepage updated. |
-
- |
-
-
-
- 8 |
-
- Dec |
-
- 2003 |
-
- Released Qucs 0.0.1 ! |
-
- |
-
-