VSWR - Module
For the radioberry this module gives the possibility for getting information about the vswr during transmit.
The module contains the possibility to measure the REF and FORWARD power.
Using a low speed i2c module makes it possible to read the data using the raspberry pi.
I have plans to add the reading:
-) to a seperate program to showing the measured data. -) in the hpsdr emulator -) in the pihpsdr plugin.
Something about the setup.
The original design appeared in 1989 / 1990 SPRAT Magazine G-QRP Also in the famous dutch QRP nieuwsbrief (NB 62) if found the article: "SWR METER ZONDER AFREGELING" door PAoWDW I found it also in the openhpsdr ALEX project.
I did add the slow ADC i2c (as seen in the hermeslite version 2 design)
Used KICAD to make the scheme and PCB.
Beside all this iam learning KICAD (stepped over from EAGLE). I like the KICAD program, much to learn, used start drawing a scheme. Add footprints and creating a PCB.
I ordered 6 January 2018 10 pcb at elecrow.
In the Netherlands it is possible to order at https://muxtronics.nl/ the components using the ShopCart from farnell.