I really liked this one.
If anyone have one of this network analyzers and do not use it – you can donate it π
Info says :
How to make a WIFI antenna which can be adjusted for best standing wave ratio
from WLAN channel 1 to channel 11
And link to a video :
Tere are some interesting result of testing panel antenna for wifi band on Russian site : http://www.lan23.ru/forum/showthread.php?t=1009
Antenna is tested when the pcb print is looking towardΒ to a reflector and back.
You get lower SWR when the pint is looking to a reflector – pictures shows all :
On the www.lan23.ru are updated page for building wifi swr meter. mcWit was able to find replacement of the BAT62-03W Schottky diode used by pe2er.nl in his design. New diode is hsms-2822
There are several changes in the elements in due diode change. I can’t understand everything written on the site. But everything is there and all is build and tested.
Now just need to wait for more documentation.
Here is a picture of the finished device :
