1 - Introduction
This user manual describes basic usage and operation of the NanoVNA V2 (S-A-A-2).
Note: OwOComm does not manufacture or market end user products including the NanoVNA V2. The S-A-A-2 is
a hardware design with supporting firmware and software designed on contract by OwOComm and released to the
public. The specifications and functionality described in this document apply only if the design is faithfully
replicated by a manufacturing vendor.
For support please contact your supplier, vendor, or distributor.
Email address for engineering inquiries and project proposals:
OwOwOwOwO123@outlook.com (do not contact this address for customer support).
Credits
Portions of this user manual are derived from cho45’s “NanoVNA manual”.
https://github.com/cho45/NanoVNA-manual
This user manual is supplied under the terms of the CC BY-NC-SA 3.0 license.
Relationship to the NanoVNA
The NanoVNA V2 hardware is not based on the NanoVNA. For details see Appendix I – Hardware
architecture.
The NanoVNA V2 firmware is based on ttrftech’s NanoVNA firmware. The UI code is kept mostly intact (other
than porting to C++11) while the low level infrastructure and signal processing code are rewritten.
The USB interface is similar to the NanoVNA in that it passes commands over a virtual serial port. However, much
of the sweep and data transfer logic is reworked in order to support faster sweep rates and avoid data corruption.
See Appendix II – USB data interface.
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