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Nanovna saa24/27/2023 ![]() Graham - G3YJR on Running Windows CARDFILE. M.fadel abdel on SAA-2N Vector Network Analyser… < Back to NanoVNA V2 Beware of cheap underperforming clones As of March 2023 there are many badly performing clones on the market. Graham - G3YJR on SAA-2N Vector Network Analyser… SOTABEAMS PP4-Way DC… on Reverse-polarity protection us… Blackview “BV6600 Pro” Infra Red/Thermal Imaging phone.SOTABEAMS PP 4-Way DC distribution box modification.Rescuing Ubuntu Linux after failed upgrade.Connecting an encased Raspberry Pi HQ Camera to Portsdown4.Microwave Modules 70cm transverter indidator LEDs mod.So having found what I took to be officially-supplied firmware for “Unofficial Hardware Variants”, I now see there may be really no support at all. I have discovered today (2-April-2021) that the original developers have a dispute with Hugen/Zeenko. SAA2/NanoVNA V2/V2 Plus/V2 Plus4 user group forum Wtih the VNA connected to the Linux PC, VNA View then allowed the VNA to be selected in the Device menu and have the new firmware flashed. Holding down the left-arrow button on the VNA (the button closest to PORT1) and switching on the VNA gave me a white, blank screen, indicating serial upgrade mode. Executing gave a screen with the banner: VNA View. I had to alter the permissions on this to allow it to execute. 106kB loaded.įrom github nanovna-v2/NanoVNA-QT, I downloaded NanoVNA_QT_GUI-x86_64.AppImage onto my Ubuntu Linux PC. I found Unofficial Hardware Variants, “V2.74” from blackmagic firmware download worked OK. One of many items available from our Computer Accessory Sets department. This seemed to be a bit buggy, so I looked for the latest version. Shop Nanovna Spectrum Analyzer Handheld Vector Frequency Measuring Saa2 50khz-3ghz. ![]() The VNA had version 202001117 on it when it arrived. This allowed me to upgrade the firmware on the VNA. I loaded the VNA-QT software onto my Ubuntu Linux PC. It came in a nice protective case & included a calibration kit. The label on the back says 50k-3GHz, H/W version V2_2. You should also avoid using no-brand Chinese SMA connectors and adapters. For example, you will require good quality cables, adapters, terminations and so on. The VNA is built in a nice metal box with N connector sockets. Unfortunately, working beyond 1GHz requires you to invest in quality accessories. I had been looking for a VNA which would work outdoors and which could optionally be connected to a PC with software for bench work indoors. ![]()
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