On Sun, Apr 9, 2017 at 11:54 PM, Miguel Angelo Bartie via Groups.Io <py2ohh@...> wrote:
Hi Farhan and friends
The link for the HF phase RX is ;
I build also one phase transmitter ...using the same modules in? an inverted? way ...I will try to build a transceiver....
The main tip was? an All Pass Band Pass Filter ... using a TL084 ... made with QuadNet software looking for More than 40dB supression and ease to find parts. the link is :
This all pass filter is for 300Hz to 3kHz ...and I use a band pass filter ... another TL084 :
link
The final results in a better supression than 40dB .... another aplications is to transform a SDR receiver in one Rx who dont need a PC ...link
