DG8SAQ VNWA2.x / VNWA3 Information

VNA Kit  covering 0...1300 MHz  ham radio spectrum analyzer analyser vector networkanalyzer low cost USB

contact:  dg8saq@darc.de

last edited Sept 8th, 2011

1. VNWA2 / VNWA3 Links

• VNWA Software + Driver + Firmware + Helpfile Installer (VNWA software can be evaluated without hardware!)
• VNWA Yahoo Support Page
• Assembled VNWAs are available from the SDRKits WebShop
• Cool VNWA Presentation

2. VNWA related articles

• CQDL 3/2007 article on VNWA1.0 part1, part2, part3 (German)
• QEX 3/2007 article on VNWA1.0 "Low Budget Vector Network Analyzer from AF to UHF"
• QEX 7/2007 "Letter to the Editor" on VNWA1.0
• QEX 1/2008 article on "A Low-Cost, Flexible USB Interface"
• 3/2008 article on "Error Correction in Vector Network Analyzers" and on the theory of VNAs
• QEX 1/2009 article on VNWA2 "A Small, Simple, USB-Powered Vector Network Analyzer Covering 1 kHz to 1.3 GHz"
• QEX 5/2009 article "A Simple S-Parameter Test Set for the VNWA2 Vector Network Analyzer"
• CQDL 5-8/2010 article "Messungen mit dem Vektor-Netzwerkanalysator VNWA2" by Bodo Scholz with kind permission of CQDL.: part1, part2, part3, part4, part5. (German)
• Bodo's (DJ9CS) HamRadio 2010 presentation on the VNWA2 (German).

Thanks to Jan G0BBL of SDR-Kits for hosting most of the articles.

3. Here are pictures of the VNWA2.1 board:

Note, that the SMA connectors are solidly soldered to the metal box in order to avoid mechanical strain to the pcb.

Tom DG8SAQ