NanoVNA-F, NanoVNA-Fairy, FreeRTOS version of edy555's NanoVNA.
"VNA" means: 矢量网络分析仪器 / Vector Network Analyzer

New up to 1.5GHz released Click deepelec.com to view

NanoVNA-F is a product made by BH5HNU based on the Open Source Project of NanoVNA(https://ttrf.tk/kit/nanovna/). Thanks to hugen's creative idea to use harmonics output by Si5351, we designed NanoVNA-F to expand the measurement range to 1GHz, where S11 still has 40dB dynamic range at 1GHz.

更多性能和指标测试信息，请访问：TaoBao唯一官方店铺
For more infomation about performance parameters & details, please visit:NanoVNA-F product page

NanoVNA-F can measure S parameters, Voltage Standing Wave Ratio (SWR), Phase, Group Delay, Smith chart and more

NanoVNA-F hardware features include and are not limited to the following improvements:

1. Use 4.3-inch IPS TFT LCD & resistive touch screen, with a larger view angle and can be seen clearly outdoor.
2. Use large capacity 5000mAh/3.7V lithium battery, standby time is longer, and expand a USB interface. Usually, it can be used as a power bank when the instrument is not used.
3. The Lipo Charing IC to changed to IP5306(with 2A high charing current) , make the charging time shorter.
4. Use a larger and better operating level.
5. Support Chinese and English menu switching;
6. Upgrade the user program(firmware) by virtual U disk(16MB SPI Flash Memory Inside).
7. Standard aluminium case to protect SMA head and reduce the interference of external electromagnetic wave to instrument.
   ...

如果你是**用户，请到TaoBao唯一官方店铺购买。
You can get one on AliExpress Deepelec Store and we support shipping to most parts of the world.
NanoVNA-F 快速入门指南（中文）
NanoVNA-F Quick start guide (English)

v0.0.2 2019-08-29 : 首次发行 / First Release

v0.0.3 2019-10-07 : 本次更新需要重新校准设备 / This update requires recalibration of the device

• 支持NanoVNA上位机 / support NanoVNA's PC software;
• 加入开机提示音 / Add a boot tone;
• 优化低频段（<100MHz）S11测量结果 / Optimize band (<100MHz) S11 measurement results;

v0.0.4 2019-10-30 : 本次更新无需重新校准设备 / This update does not require recalibration of the device

• 呼号显示 / Can display call sign
• 修复 100MHz 频点不输出的 BUG / fix BUG: CW=100MHz do not output
• 优化中文翻译 / Optimize Chinese translation

v0.0.5 2019-12-30 : 本次更新需要重新校准设备 / This update requires recalibration of the device

• support measurable frequency to 1.5 GHz, default setting 1 GHz, accurate measurement up to 1.35GHz.
• fix: unexpected 0.3dB offset of s21 in thru
• fix: mark all off bug
• fix: clutter display when standing wave ratio is infinite
• add version & info command
• add REAL IMAG R X trace format

如何更新固件 / How to update the firmware

如何显示呼号 / How to display your call sign

1. 使用 Type-C 将设备连接到 USB，进入 Bootloader 模式。 / Connect the device to USB using Type-C, go into Bootloader Mode.
   
2. 将你的 callsign.txt 文件放入 U盘，重新上下电后自动显示。 / Copy your null terminated callsign.txt onto Udisk, Re-power the device.
   
3. example callsign.txt content created in bash (<ctrl-d> means Control+D keys)

$ cat > callsign.txt
BH5HNU<ctrl-d><ctrl-d>
$ od -tc -Ax callsign.txt
000000   B   H   5   H   N   U
000006

• 跟进原作者 NanoVNA 项目更新，BUG修复 / Follow up the original NanoVNA project update, BUG fix
• 对数扫频 / Logarithmic frequency sweep

NanoVNASharp v1.0.3(by Hugen)

nanoVNA_mod_v2(by alex_m)

nanovna-saver(by Rune B. Broberg)

• https://groups.io/g/nanovna-f The NanoVNA-F discussion group.You can ask any questions about NanoVNA-F here.
• https://groups.io/g/nanovna-users Users of nanovna small VNA, very popular forum.
• NanoVNA-F 网分/天分 交流QQ群：522796745

Hello everyone, it is necessary to state that at present we only produce -F machines with metal case.
We do not resist enthusiasts buying machines from other suppliers, but enthusiasts need to have a certain discrimination ability: choose a supplier with good evaluation, and the price of the machine is trustworthy at around $ 120.
Like what hwalker in groups.io/nanovna-f said "be aware that some vendors are scammers and the only way to protect yourself is buying from a reputable source."
Recently we found a bad clone of the -F machine on AliExpress / eBay. We have open sourced all the code on github, but this clone is still badly made. ╮(╯▽╰)╭
As the picture shown below, We want enthusiasts to stay away from these crude products.
Please look for the product description in our shop, and think twice before purchasing any variant.

Created by STM32CubeMX 4.27.0 V1.0

• HAL Lib ：STM32Cube_FW_F1_V1.6.1
• MDK Ver ：uVision V5.23.0.0
• MDK Pack : ARM::CMSIS Ver: 5.2.0(2017-11-16)
• MDK Pack : Keil::STM32F1xx_DFP Ver: 2.3.0(2018-11-05)
• FatFs ：R0.11 (February 09, 2015)
• CHIP STM32F103VET6 FLASH: 512 KB, SRAM: 64 KB
• SPI Flash W25Q128JVSIQTR

HAL Lib Path: C:/Users/S04/STM32Cube/Repository/STM32Cube_FW_F1_V1.6.1
After Build/Rebuild RUN #1
D:\Keil_v5\ARM\ARMCC\bin\fromelf.exe --bin -o .\update.bin .\NanoVNA-F\NanoVNA-F.axf

待完善 / Coming soon