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Home > Debuggers > Software SIGMA-OMEGA

2025-06-05

Software for OMEGA and SIGMA2/SIGMA
Logic Analyzers

Current version

⤓ SIGMA-OMEGA_2025-06-05_EN.EXE
(executable installer, 6 841 456 B)

This all-in-one package contains:

Software for logic analyzers
USB drivers
Software utilities
User guide

➜ Examples of waveforms measured by OMEGA and SIGMA2
(It is necessary to install the SIGMA-OMEGA software to display them.)

Complete source code of SIGMA-OMEGA application
⤓ SIGMA-OMEGA_SRC_2025-06-05.ZIP
(ZIP archive, 29 375 007 B)

Version history

2025-06-05

SIGMA & OMEGA Logic Analyzer Version: 3.10
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.28.1

NEWS: Complete source code of SIGMA-OMEGA application is now available.
Improvement: SPI decoder: It starts decoding at a zoom where the pluging output will be visible.
Improvement: UART decoder: Several predefined items have been added to the Speed option.

2024-01-18

SIGMA & OMEGA Logic Analyzer Version: 3.09
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.28.1

Improvement: USB decoder: No licence is required for the USB decoder.
Improvement: Logic Analyzer: In the View menu of the application there have been added several items, especially zoom controls.

2023-08-02

SIGMA & OMEGA Logic Analyzer Version: 3.08
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.28.1

Fix: Logic Analyzer OMEGA in chained mode: In some cases it was possible to start measuring in the Real-Time mode, which is not available for chained analyzers.
Fix: Logic Analyzer OMEGA in chained mode: Analyzers data merging has been fixed.
Fix: Logic Analyzer OMEGA, generator: Semicolon did not work as comment.
Fix: Logic Analyzer: The "Not loaded" color setting was removed, a pluging defines the color.
Fix: USB decoder pluging did not highlight the corresponding traces section.
Improvement: USB decoder: In the "Notes" column context menu there has been added a "Copy" item.
Improvement: Logic Analyzer: In program options it is possible to select that lines are 2 pixels wide.
Improvement: Logic Analyzer: The software has been modified for High DPI monitors support.

2021-07-02

SIGMA & OMEGA Logic Analyzer Version: 3.07
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.28.1

New: Logic Analyzer: 1-Wire decoder plugin has been added.
Fix: Logic Analyzer: With some Windows languages the ruler of the software showed a strange sign instead of the thousand separator and there were several strange signs in the "Clock Source" dialog.
Fix: Logic Analyzer: Export dialog did not show a warning informing that the Real time mode export has not been implemented yet.
Fix: Logic Analyzer: OpenDialog sometimes returned an empty string.

2020-08-26

SIGMA & OMEGA Logic Analyzer Version: 3.06
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.28.1

Improvement: Background color can be changed.
Fix: Logic Analyzer OMEGA in daisy chain: Fixed loading of large files.
Fix: Logic Analyzer OMEGA in daisy chain: Fixed text file export.
Fix: Logic Analyzer OMEGA: When at least once a test was started and after this the "Choose Analyzer" dialog opened, it was not possible to configure analyzer any more.
Fix: Logic Analyzer OMEGA: Did not save files on the commandline.
Fix: Logic Analyzer: Fixed signal edge search.
Fix: Logic Analyzer: Open and save dialogs sometimes did not return correct file name.
Fix: Logic Analyzer: After saving a stf file sometimes it was not possible to close the progress form.
Fix: Logic Analyzer: When some OMEGA communication error occured, it was not possible to close the software.
Fix: USB driver has been fixed.

2017-03-29

SIGMA & OMEGA Logic Analyzer Version: 3.05
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.24

New: Logic Analyzer: Captions can be added to bookmarks.
New: Logic Analyzer: Trace colors printing support was added for color printers.
Improvement: Logic Analyzer: Time scale better readability.
Fix: Logic Analyzer SIGMA: File export of 100MHz and 200MHz acquisition with timing relative to trigger had wrong timing.

2016-12-15

SIGMA & OMEGA Logic Analyzer Version: 3.04
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.24

New: Utilities omegacli.exe, omegartmcli.exe, stf2bin.exe, bin2stf.exe, binconvert.exe.
New: Logic Analyzer: SPI decoder: Possibility to enter bit field lengths and their repetition pattern. Useful for example when reading serial A/D converters.
Improvement: Logic Analyzer SIGMA: Faster FPGA configuration.
Improvement: Logic Analyzer OMEGA: Possibility to open files without settings.
Fix: Logic Analyzer: SPI decoder: Fix of "Add Sync Here..." function.
Fix: Viewer of *.txtlogan files: Removed false error message on opening.
Fix: Minor bugfixes.
USB driver update

2016-09-23

SIGMA & OMEGA Logic Analyzer Version: 3.03
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.00

Fix: Logic Analyzer OMEGA: Fixed Real-Time mode file load operation bug. Some files could be loaded incorrectly, without any warning.
Fix: Logic Analyzer OMEGA: Fix of trigger dialog during OMEGA Real-Time mode.
New: Logic Analyzer OMEGA: Possibility to end Real-Time acquisition from taskbar.
New: Logic Analyzer OMEGA: Less restrictive file load operation for Real-Time mode STF file. File lacking triggers and overflows trigger only a warning (not error) dialog.
New: Logic Analyzer OMEGA: Program ask whether to save Undo file (if it is too large).
New: Logic Analyzer: Manual start of an SPI frame can be added by popup menu "Add Sync Here...".

2015-04-15

SIGMA & OMEGA Logic Analyzer Version: 3.02
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.00

Fix: Logic Analyzer OMEGA: When undo file save took prolonged time, a false error message was displayed.
New: Logic Analyzer: When filename specified with parameter -export has *.stf extension, the saved file has STF file format, instead of CSV.
New: omegacli.exe: New parameter -out to specify output file in STF format.

2015-01-02

SIGMA & OMEGA Logic Analyzer Version: 3.01
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.00

Fix: Logic Analyzer OMEGA: Bug introduced in version 3.00: Uninitialized memory in acquisition initialization caused error on already opened logic analyzer (acquisition worked only every second try).

2014-12-19

SIGMA & OMEGA Logic Analyzer Version: 3.00
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.12.00

Important New Feature: Logic Analyzer OMEGA: Real-Time mode.
New: All logic analyzers: New Trigger Out functions.
Fix: Logic Analyzer OMEGA: Fix of degraded input setup and hold times in synchronous mode.
Fix: Logic Analyzer OMEGA: Select Units button in Frequency Measuring dialog did not work.
Fix: Logic Analyzer OMEGA: OMEGA Insider was not sending ACK on I2C bus.
Improvement: Software checks whether it is in visible area of the PC monitor and realigns itself when necessary. Useful after detachement of an additional monitor.
New: New USB driver.

2014-10-30

SIGMA & OMEGA Logic Analyzer Version: 2.06
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.10.00

Important Fix: Logic Analyzer OMEGA: The acquisition inputs could be before the first change on the inputs for up to ~100 miliseconds invalid. This applies for each port (Inputs 1-8 and Input 9-16) individually.
Important Fix: Logic Analyzer OMEGA: In 400 MHz / 8 input mode, when Inputs 9-16 are connected, were copied to Inputs 1-8.
Fix: Logic Analyzer OMEGA: File Export was corrupted.
Fix: Logic Analyzer OMEGA: Protocol analyzers did not work on cropped tests.
Fix: Logic Analyzer OMEGA: Added one line to the export file before the current selection to indicate input value on the beginning of the export.
Fix: Logic Analyzer OMEGA: Fix of -export parameter.
Fix: Logic Analyzer OMEGA: Minor fixes in the omegacli.exe command line utility.
Fix: Logic Analyzer OMEGA: Fix of seldom program freeze during file saving.
Fix: Logic Analyzer: Fix of the Utilities dialog.
Fix: Logic Analyzer: Fix of loading of empty STF file (program crashed).
Fix: Logic Analyzer: The application can be started without installed USB driver.
Change: Logic Analyzer: Plugins moved to a new directory plugins.
Change: Logic Analyzer: Change of the "*" key behavior. Now it zooms in fifty times.
Change: Logic Analyzer: Change of terminology from "Test" to "Acquisition".
New: Logic Analyzer OMEGA: New key - Backspace.
New: Logic Analyzer OMEGA: Possibility to set compression level of the STF files (size x compression speed), useful for example for sending files via e-mail.
New: Logic Analyzer OMEGA: Possibility to undo the acquisition (key Ctrl+Z).
New: Logic Analyzer: New trigger "When no event occurres for xxx."
New: Logic Analyzer: Added a new feature - counting of clock edges; accessible by the Q key.
New: Logic Analyzer: After pressing the Q key, the value will not disappear immediately after any mouse move, but remains visible until next edge or on the same line.
New: Logic Analyzer: After pressing the double QQ key (press Q twice quickly) is possible to choose an edge on which are the edges counted.
New: Logic Analyzer: By pressing the F key it is possible to quickly switch between time or frequency measurement.
New: New USB driver.

2013-05-22

SIGMA & OMEGA Logic Analyzer Version: 2.05
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.28

New: Logic Analyzer OMEGA: Percentage is shown during the "Unpacking..." operation in the status bar.
New: Logic Analyzer OMEGA: New function "Crop to displayed".
Fix: Logic Analyzer OMEGA: When opening file measured with multiple synchronized OMEGA analyzers, only data from first one were loaded.
Fix: Logic Analyzer OMEGA: Length of measurement of slave synchronized OMEGA was shorted when necessary.
Fix: Logic Analyzer OMEGA: Data from slave synchronized OMEGA could be stored into file incorrectly shifted.
Fix: Logic Analyzer OMEGA: New test could not be started during operation "Unpacking..." is shown in the status bar.

2013-04-26

SIGMA & OMEGA Logic Analyzer Version: 2.04 beta 11
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.28

Fix: Logic Analyzer SIGMA/SIGMA2: Some pulses of clock signal of exactly 50MHz +/-10% in modes 8 inputs / 100 MHz or 4 inputs / 200 MHz could be missing. Other signals were stored correctly.
Fix: Logic analyzer OMEGA: Some protocol decoders did not work correctly on file loaded from disk.

2013-02-25

SIGMA & OMEGA Logic Analyzer Version: 2.04 beta 9
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.24

New: Logic Analyzer: New utilites for OMEGA as part of Logic Analyzer software: Function Generator, Insider and Frequency Measuring.
New: Logic Analyzer: Traces may be colored according to related CAB20LA cable wires (or otherwise).
New: Logic Analyzer: Different colors for particular logic values - only for digital traces (not buses).
New: Logic Analyzer: Added menu License -> View List...
New: Logic Analyzer: Support of Sleep and Hibernate modes for SIGMA and OMEGA logic analyzers.
New: New command line utility for OMEGA: omegacli.exe
Fix: Logic Analyzer: Pin View tool window could not be moved.
Fix: Logic Analyzer: Disappearing buttons in Windows Vista and 7.
Fix: Logic Analyzer: Pin View tool window position was not saved correctly.
Fix: Logic Analyzer: Pin View tool window drawing error in synchronization mode (synchronization among two or more OMEGA analyzers).
Fix: Logic Analyzer: Traces dialog drawing error caused by magnified fonts (125% and higher) in Windows operating systems.
Fix: Logic Analyzer: Memory leakage could cause an application error in synchronization mode when one of OMEGA analyzers was disconnected between two tests.
Fix: Logic Analyzer: Quickly changing signals on OMEGA inputs could cause an application error.
Fix: Logic Analyzer: Protocol analyzers did not work on OMEGA saved files.
Fix: Logic Analyzer: Application could cause an error during saving OMEGA file.
Fix: Logic Analyzer: Application could incorrectly report corrupted OMEGA file during its opening.
Fix: Logic Analyzer: Parameter -export could cause an application error.
Fix: Logic Analyzer: USB plugin did not display packets with more than 64 bytes.
Fix: Logic Analyzer: Dynamic loadable libraries were remapped.
Fix: Logic Analyzer: Improved error checking of USB communication errors for the SIGMA logic analyzer.

2012-11-27

SIGMA & OMEGA Logic Analyzer Version: 2.03
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.24

New: Logic Analyzer: Support for OMEGA Logic Analyzer revision 3.
Fixed: Logic Analyzer: Mouse move over lower right corner caused application error "List out of bounds (4)".

2012-01-10

SIGMA Logic Analyzer Version: 2.02
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.14

Added: Logic Analyzer: Control of power output on TRGIN pin.
Fixed: Logic Analyzer: Waveform drawing in SIGMAlogan software could contain zero width spikes in 100 MHz and 200 MHz modes after pulse with exactly 13 (100 MHz) or 27 (200 MHz) sample width.
Fixed: Logic Analyzer: License adding on Windows Vista & 7 requires the UAC dialog.

2011-12-22

SIGMA Logic Analyzer Version: 2.01
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.14

Fixed: Logic Analyzer: Drawing of SIGMA waveforms was incorrect in certain zoom levels with long time of inactivity - waveform was filled to higher level zoom that it should have been.

2011-12-06

SIGMA Logic Analyzer Version: 2.00
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.3
SIGMA Configuration Utility version: 1.2
SIGMA Insider: 0.93 Beta 1
USB Driver version 2.08.14

Added: Installer now allows to preinstall the USB drivers.
Added: Logic Analyzer: Support of new logic analyzers SIGMA2 and OMEGA.
Added: Logic Analyzer: Added function GetNextInterest to Plugin API.
Added: Logic Analyzer: Added function GetNextInterest to UART Decoder Plugin (faster decoding).
Added: Logic Analyzer: Added function GetNextInterest to SPI Decoder Plugin (faster decoding).
Added: Logic Analyzer: Added function GetNextInterest to I2C Decoder Plugin (faster decoding).
Added: Logic Analyzer: Support for new SIGMA2 "GO" button.
Fixed: Logic Analyzer: UART Decoder is deterministic - start bit starts always at the same time, no matter current view.
Fixed: Logic Analyzer: Exporting text file is faster (uses GetNextInterest).
Fixed: Logic Analyzer: Two overlapped decoder texts caused errorneous exported texts.
Added: USB Decoder (Licence has to be purchased separately).
Added: Logic Analyzer: PDF help file.
Fixed: Logic Analyzer: Fix in menu handling and menu shortcuts.
Added: Frequency Measuring: Support for new SIGMA2 hardware.
Fixed: FPGA Configuration Utility: added delay to prevent from bad configuration because of bus reset (linux known bug).
Added: Logic Analyzer: Added command line parameter -export.
Added: Logic Analyzer: Added broadcast message SIGMA_PinView.
Fixed: UART Decoder: When start bit is inverted (log. "1") break must be all ones, not zeroes.
Fixed: Logic Analyzer: Opening device using FT_CreateDeviceList.
Changed: Plugin API: PicoUnitsInNs changed from 15015 to 15018.
Old saved files are handled with an old value (sample rate is expected always to be integer number of nanoseconds).
New files are saved with a new value.

2009-11-09

SIGMA Logic Analyzer Version: 1.11
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.2
SIGMA Configuration Utility version: 1.1
SIGMA Insider: 0.92 Beta 4

Added: Frequency Measuring: Analog Meters for quick reference.
Added: Logic Analyzer: Marker can be unassigned by pressing a Space key twice at the same place.
Added: Logic Analyzer: Ruler can be chosen to show time or sample number.
Fixed: Logic Analyzer: Bus hint works better on buses with shorter quiet time (linkage of bus hint was moved from mouse marker to mouse pointer itself).

2009-09-18

SIGMA Logic Analyzer Version: 1.10
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.1
SIGMA Configuration Utility version: 1.1
SIGMA Insider: 0.92 Beta 4

Added: Logic Analyzer: Text export includes (optionally) bus and plugin traces texts.
Fixed: Logic Analyzer: Bug fixes in UART plugin.
Fixed: Logic Analyzer: Better behavior of scroll bar in viewer window.
Fixed: Logic Analyzer: Plugin API: Added function to get raw SIGMA data.
Much faster work of plugins supporting this feature opposed to lower compatibility.
Fixed: Logic Analyzer: More aware detection of start bit.
At least one and half word length of quiet before first start bit is needed.
Fixed: Logic Analyzer: Thread crashed when new test was lauched before previous test had been fully downloaded which led to extra initialization time.
Fixed: Logic Analyzer: Left margin in viewer window and printer output is scalable by actual trace name lengths.

2008-11-14

SIGMA Logic Analyzer Version: 1.09
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.1
SIGMA Configuration Utility version: 1.1
SIGMA Insider: 0.92 Beta 4

Added: Logic Analyzer: Additional options for export to CSV file.
Fixed: Logic Analyzer: 64k samples were added in some circumstances (bug introduced in ver. 1.08).
Fixed: Logic Analyzer: 64k samples misplaced in some circumstances (bug introduced in ver. 1.08).
Fixed: Logic Analyzer: I2C & SPI Bus Plugin caused EOutOfMemory error.

2008-07-24

SIGMA Logic Analyzer Version: 1.08
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.1
SIGMA Configuration Utility version: 1.1
SIGMA Insider: 0.92 Beta 4

Added: Logic Analyzer: SPI Analyzer plugin.
Added: Logic Analyzer: I2C Bus plugin option for displaying address byte in 7/8 bit mode.
Added: Logic Analyzer: New software version checking.
Fixed: Logic Analyzer: 64k samples were lost in some circumstances and very low frequency signals.
Fixed: Logic Analyzer: Corrupted waveforms of not-downloaded data in 8-input mode.
Fixed: Insider: "No start and no stop" mode was returning no data.

2008-04-07

SIGMA Logic Analyzer Version: 1.07
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.1
SIGMA Configuration Utility version: 1.1
SIGMA Insider: 0.92 Beta 1

Fixed: Insider: Start and stop conditions "data rise/fall when clock low/high" in synchronous mode did not work when using "stream fields".

2008-02-27

SIGMA Logic Analyzer Version: 1.06
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.1
SIGMA Configuration Utility version: 1.1
SIGMA Insider: 0.91 Beta 1 (newly added into package)

Added: Logic Analyzer: I2C Bus plugin.
Fixed: Logic Analyzer: UART plugin access violation at large tests.

2007-12-03

SIGMA Logic Analyzer Version: 1.05
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.1
SIGMA Configuration Utility version: 1.1

Added: LINUX support (using WINE) - more...
Fixed: Logic Analyzer: Asynchronous clock mode clock edge was incorrect.
Added: Logic Analyzer: Asynchronous clock mode sampling changed.
Fixed: Logic Analyzer: UART plugin framing error inside data bits displayed incorrectly.
Fixed: Logic Analyzer: UART plugin data format (ASCII/hex/dec) did not work.
Added: Logic Analyzer: UART plugin data sampling more than once per bit.

2007-09-13

SIGMA Logic Analyzer Version: 1.04
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.0
SIGMA Configuration Utility version: 1.0

Fixed: Logic Analyzer: Trigger Out in CMOS mode did not work.

2007-07-17

SIGMA Logic Analyzer Version: 1.03
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.0
SIGMA Configuration Utility version: 1.0

Added: Logic Analyzer: Trigger dialog checks for event length overflow.
Added: Logic Analyzer: Trigger event length counter enlargened to 2^32 (2^16 prescaler + 2^16 true counter) (counter was only 2^16 without prescaler).
Added: Logic Analyzer: Bus Hint plugin - shows bus label in mouse tooltip while moving above.
Fixed: Logic Analyzer: Wrong trigger event length computing when running at other speed than 50 MHz.

2007-06-13

SIGMA Logic Analyzer Version: 1.02
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.0
SIGMA Configuration Utility version: 1.0

Fixed: Logic Analyzer: Export current view did not work when test was previously cropped.

2007-04-18

SIGMA Logic Analyzer Version: 1.01
STFMerge version: 1.0
SIGMA Frequency Measuring version: 1.0
SIGMA Configuration Utility version: 1.0

Added: Logic Analyzer: Pin view in synchronous clock mode shows clock frequency.
Fixed: Logic Analyzer: Trigger did not work in synchronous clock mode.

2007-04-12: First official release, all versions of included software set to "1".

Software for OMEGA and SIGMA2/SIGMALogic Analyzers

Current version

Version history

Software for OMEGA and SIGMA2/SIGMA
Logic Analyzers