Some months ago Andrew Rich, VK4TEC and Geoff Robinson, VK4KJJ provided me a chart where they measured the generator output level over frequency:

VK

They used a ROHDE & SCHWARZ NRP2 with an NRP-Z81 power sensor.

Version 3.1.13 of vna/J is released.

  • The application JAR can be downloaded from here as usual.
  • The following updates are included in this version:
    • Added driver for F4GOH VNArduino
    • Updated driver for miniVNApro+extender

The XMAs-Edition 3.1.13 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Fixed problem with some scan ranges and windows sizes. Thanks to Angel.
  • Bug fixed in driver for minIVNApro with extender - thanks to Ian ZL2IH and Karl-Heinz DL9GAB.
  • Option added to driver selection dialog to display all available serial ports on system.

The new version 3.1.12 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Option added to driver selection dialog to display all available serial ports on system
  • List of cable types in cable length dialog is loaded from cables.csv in vna/J config directory. Default file is created automatically.
  • Frequency ranges for bandmap in main diagram is loaded from bandmap.csv in vna/J config directory. Default file is created automatically.

I've updated the driver guide for the miniVNAtiny reflecting the removed filter-mode.

Thanks to Andrew Rich, VK4TEC and Geoff Robinson, VK4KJJ we now have a precise power-over-frequency chart in generator mode.

You can find the latest version here.

The new version 3.1.11 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Driver fixed for miniVNA/metroVNA
  • Bug in vna/J update feature fixed
  • Error message fixed on invalid export directory

The new version 3.1.10 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:Driver fixed for miniVNApro + Extender

  • Filter code for miniVNAtiny removed
  • Creation of calibration block changed
  • Number of calibration steps limited between 3.000 and 30.000
  • Thanks to some of my Chinese friends for decompiling the code. Keep away of obscure download sources

I've updated the driver guide for the miniVNApro regarding the use of the AUTO-RESET checkbox.

You can find the latest version here.

The new version 3.1.9 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Upgraded to purejavacomm-1.0.0.jar
  • Bugs fixed regarding timeout issues on some machines

vna/J runs nearly on every plattform, that supports the JAVA runtime environment and has drivers for the FTDI USB chips.

vna/J is successfully tested by numerous users on current MS Windows 10 and MAC OS/X El Capitan.

For full list, please see here.


vna/J läuft beinahe auf jeder Plattform, die eine JAVA Laufzeitumgebung und Treiber für die FTDI USB Chips bereitstellt.

vna/J ist erfolgreich von zahlreichen Anwendern auf dem aktuellen Windows 10 und auf Mac OS/X El Capitan gestestet.

Eine komplette Übersicht findet sich hier.

The chapter "Quick-Start-Guide" was updated in the user guide.

Eine Schnellstartanleitung wurde erstellt.

The new version 3.1.8 of vna/J is released.

The application JAR can be downloaded from here as usual. The following updates are included in this version:

  • Driver for metroVNA extended
  • Fixed display bug for metroVNA in calibration load/save dialogs
  • Upgraded to jna-4.2.1.jar
  • Upgraded to purejavacomm-0.0.28.jar
  • miniVNA driver optimized for new serial library
  • miniVNA pro driver optimized for new serial library
  • miniVNA Tiny driver renamed to match physical device
  • miniVNA Tiny driver various bug fixes
  • miniVNA Tiny driver optimized for new serial library
  • Cable length measurement should now work for miniVNA again
  • Cable loss dialog extended
  • Number of over samples is now stored inside calibration block
  • Bugs fixed for metroVNA driver

Three users reported strange problems on their Windows machines. They have exception on the Windows command line like "java.long.Error" which leads to the problem, that no longer any serial ports are displayed in the "Analyzer setup" dialog.

Timeout problems with newer versions of vna/J - check this post. 

 

You can contact me by email icon or via Twitter @dl2sba

You can buy the author a beer to support the further development of vna/J.

Please use this PayPal link.

Many thanks in advance for this donation!

2014 CW (Morse Telegraphy) was added to the German Nationwide Inventory of Intangible Cultural Heritage.

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