From 44256124deb13c9ad024e1112118f460923266bf Mon Sep 17 00:00:00 2001 From: jankae Date: Wed, 23 Sep 2020 14:32:32 +0200 Subject: [PATCH] Create README.md --- README.md | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 README.md diff --git a/README.md b/README.md new file mode 100644 index 0000000..bb14754 --- /dev/null +++ b/README.md @@ -0,0 +1,10 @@ +# 1MHz - 6GHz VNA2 +**!work in progress, more information will be added in the future!** + +This is the improved version of my [first attempt](https://www.github.com/jankae/VNA) at a VNA. + +Main differences to first version: +* Exchanged some RF chips for slightly cheaper versions with similar specifications +* Power supply scheme changed to use 5V instead of 12V, potentially allowing the device to be powered from USB +* FPGA gets configured from the microcontroller, removing the need for a JTAG programmer. This also allows firmware updates of both the FPGA and the microcontroller through the USB port +* RF sections distributed differently on PCB to increase isolation between ports