This release contains no new features except the fixing of the critical bugs.
- Fixed zero output on DC bias simulation (F8) #667
- Fixed build failure of the Fedora RPM becuase of RPATH in qucsator_rf
- QucsatorRF is now a part of the package; No need to compile and install qucsator manually #370
- Qucs-RFLayout tool could be launched from Tools menu #465; this tool must be installed separated
- Redesign of the Qucsconv GUI #647
- Matching tool backported from Qucs-0.0.20 #401
- Added RF devices group; backported different RF devices for Qucsator #607
- Fixed parameter sweep step issues #186 @ivandi69
- Fixed SPICE devices bounding box #590 #637
- Fixed netlist export from CLI #639
- Fixed parameter sweep simulation with Xyce #624
- Revert explicit WITH_QT6 compile flag because of cmake bug #592
- Fixed tuner issues for German locale #416
- Refactoring in schematic editor #626 #618 @wawuwo
- Russian translation update
- Versioning switched to CalVer. The first digit means year, the second digit means the release number, the third digit means patch number #328
- Added 3-pin RCD devices #349 to improve support of microelectronics PDKs
- Improvements of Ngspice support; allowed multiple simulation of the same type #463 by @ivandi69
- Automatic extraction of THD from FOURIER simulation #525 @ivandi69
- Nutmeg equations improvements; implemented simulation selection from drop-down list #463 #519
- Improvements of Nutmeg script simulation type; implemented custom prefixes for plots #476 #435 @ivandi69
- Export DC OP simulation data to dataset #463 #140 @ivandi69
- Implemented zoom by selection on the rectangular plots #305
- Implemeted potentiometer device #122
- Switched digital simulation from FreeHDL to GHDL #395 @iwbnwif
- Status bar improvements #493
- Added RCLG device support for SPICE #564
- Added YLIN device support for XYCE #451
- Fixed touchstone simulation issues for Ngspice #392
- Added BiasT device support for SPICE #374
- Added option to disable transient model for RF port #410
- Fixed different issues related to creating libraries #432
- Added audio IC library
- Added loudspeaker library #421
- Added comparators library #436
- Modified voltage regulators library #433
- Added voltage references library #439
- Added thermistor library #538
- Fixed ideal library #258 #428
- Fixed transformers library #362
- Added new devices in SpiceOpamp library #501
- Fixed different tuner issues
- Schematic zooming improvements #502
- Different improvements on schematic look and control
- Added schematic pan mode with the middle mouse button #488
- HiDPI support improvements including grid rendering
- Fixed schematic glitches using Wayland #227
- Added text document zoom and font setting #534
- Added new examples
- Added Ngspice templates #441
- The readthdocs documentantion is a candidate for deprecation #554
- Added Chinese translation #453 by @hvwyl
Thanks @wawuwo and @iwbnwif for providing refactoring PRs! Many thanks to @tomhajjar for providing libraries, examples and testing.
- Added tuner simulation mode #123 (used implementation by @tipofthesowrd)
- Added support for touchstone s2p file devices for Ngspice #233 (implementation by @transmitterdan)
- Redesign of the simulation window #309
- Diagrams are placed on schematic and
*.dplfiles are disabled by default #309 - Backport of the active Legendre filter synthesis from Qucs-0.0.20rc2 #318
- Added SPICE entry for MUT and MUT2 devices
- Backported circular waveguide and tapered line symbols from Qucs-0.0.20rc2
- Added zoom to selection mode #327
- Toolbar icons replaced by SVG; improved look for HiDPI #323 #304
- Implemented automatic generation of high resolution device icons #334 #304
- Added Tstart option for Spectrum simulaiton #336
- Added low voltage for VRect source #310
- Russian translation update #292 #324
- Added SPICE group for project tree
- Fixed simulation of the files with double extension #311
- Fixed simulation of the files containing unicode symbols #312
- Fixed display of the Xanalogue.lib library #308
- Fixed show checker errors for Xyce
- Fixed load symbol for Verilog-A device #321
- Fixed component rotation with right mouse button
- Added thyristor library #212
- Added optocoupler library #213
- Added photovoltaic relays library #222
- Added subcircuit symbol templates to
share/qucs_s/examples/symbols(by @tomhajjar) - Added sections on tuner mode and RF simulation to the Qucs-S tutorial
- Windows 32-bit package is not provided anymore
- Implemented quick switch of the simulator without application restart #274 (thanks @Zergud)
- Linux AppImage build switched to Github workflow #281
- Added Windows 64-bit installer with Ngspice
- Fixed issues in Transformers library #228 and #231
- Finished Qt6 porting #190
- Show warning if the directory protected by Windows UAC #282
- Fixed PDF print on Windows #285
- Added option to export grayscale image #288
- Fixed setting initial conditions in wire labels #291
- Fixed missing ground warning
- Qucs-S supports digital simulation mode using IcarusVerilog or FreeHDL backends #97
- Added analog model for digital source #265
- Qucs-S runs DC bias simulation mode if schematic contains DC simulation only #271
- Selection rectangle update #276
- XSPICE CodeModel synthesiszer has been deprected since v1.0.3. The precompiled CM libraries are still supported using spiceinit virtual device. See #204
- Digital buses are not supported;
- Digital simulation represents its state as of Qucs-0.0.20-RC1; No new features added
- Added XSPICE flip-flop digital devices #262 (thanks @Radvall)
- Added INDQ and CAPQ devices representing inductor and capacitor with Q-factor #143
- Added .LIB directive support #242
- Added SPICE entries for I and V file sources #254
- Added symbols for 4 and 5 terminal BJT device #198
- Added behavioral XSPICE 555 timer model #252
- Added option to save SPICE netlist without simulation #225
- Improved Qt6 compatibility (thanks @Zergud)
- Improved MacOS compatibility (thanks @nanoant) #214
- CMake build system update to bring features of the modern CMake (thanks @dsm) #216
- Added support for Verilog-A defined devices using Ngspice+OpenVAF #197. Old Qucsator+ADMS workflow is marked as deprecated. Ngspice >=39 is required to support OpenVAF.
- Implemented variable parameter sweep analysis #189
- Added possibility to build Qucs-S with Qt6 #190 The -DWITH=QT6=ON option for cmake is required. The source code of the Qucs-S is Qt6 compatible now. Thanks @Zergud !
- Simulator prefixes like "ngspice/" are not show anymore on plot traces if the plot contains data from only one simulator #178
- Added TL071/TL072 opamp models
- Added 555_timer.lib library containing the 555 timer model
- Added extended BJT exteneded and Schottky diodes libraries
- Change default RCL device values and simulation settings to prevent convergence error when putting together device with default values #195
- Fixed auto-scaling issue on Windows 64-bit platform #133
- Added basic support for logic gates simulation (Ngspice >= 38) required #97
- Added possibility to set engineering notation (like 1k, 1M, etc.) for numbers on diagrams #92
- Added symbol preview and search feature for component library in main windows #135
- Backported qucs-attenuator, qucs-transcalc and qucs-powercombining from Qucs-0.0.20 #142
- Added possibility to set dB units for Y-axis on digrams from the diagram properties dialog #92
- Backported advanced features for projects tree from Qucs-0.0.20 #95
- Show warning if schematic file name changed, but dataset/display file name are not updated #111
- Revised examples tree (by Tom Hajjar @tomhajjar); legacy Ngspice-incompatible examples
moved to
examples/qucsatorsubdirectory
- Qucs-lib tool has been removed from the application; all its features are availbale now from the main window left panel #139
- Fixed Tubes.lib and LEDs.lib libraries (by @tomhajjar)
- Fixed numerous bug reports. Thanks @tomhajjar and @Zergud for testing.
- Added 32-bit Windows portable package
- Parameter sweep doesn't work when using the Fourier simulation with XYCE backend #73
- Netlister may produce duplicate .SUBCKT entry when using the same component from user and system library #82
- Auto-scaling on diagram may fail on some conditions for Windows 64-bit platform #133 Other platforms are not affected
- The 1-point AC simulation produce a set of 1x1 plot if ParameterSweep instead of smooth curve is attached #156
- Added S-parameter simulation using Ngspice and Xyce backends; Ngspice>=37 requiered #84, #79
- Added FFT analysis with Ngspice backend #88
- Implemented dark desktop theme support #66
- Implemented manual setting of the X-axis markers postion #92
- Added separate setting for schematic and application font
- Removed QtScript dependency (thanks @Zergud) #77
- Fixed Qt5.15 deprecation warnings #75
- Added quartz crystal library (Crystal.lib); the quartz model is optimized for filter design;
- Added TL431 device in Regulators library;
- Fixed crash on HB simulation with XYCE #28
- Fixed empty path for working directory #86
- Show error when schematic contains only DC simulation (no effect for Ngspice) #83
- Fixed layout in arrow properties dialog #81
- Fixed drag'n'drop operation from left dock to schematic
- Fixed newlines in SPICE resitors #62
- Fixed crash on Wayland #76
- Added offline PDF tutorial; the link for old Qucs tutorial removed from Help menu #78
- Added examples for new S-parameter and FFT simulations
- Fixed distortion simulation example #83
- Parameter sweep doesn't work when using the Fourier simulation with XYCE backend #73
- Netlister may produce duplicate .SUBCKT entry when using the same component from user and system library #82
- The Qucs-S application is now fully ported to Qt5 and could be compiled on modern Linux distributions; #72 #32
- Added two new component libraries: BF998 and Tubes containing two-gate MOSFET and vacuum tubes (triodes and penthodes provided by @olegkapitonov ) models;
- Windows binary switched to 64-bit build. The old 32-bit binaries are not provided anymore;
- Ngspice is now the default simulation kernel on the first application start;
- The Qucs-S doesn't use a shared settings file with Qucs anymore #71
- Fixed "Show last netlists" not showing SPICE netlist when SPICE engine is selected #41
- Use system default sans serif font instead of "Helvetica", because "Helvetica" cannot be rendered correctly on some platforms;
- Fixed .INCLUDE directive support with SpiceOpus #16
- Partially fixed .FOUR simulation support for Xyce backend #73
- Removed warning about experimental feature in the simulation dialog. Qucs-S is considered to be stable now;