Started RF Input and Product Detector Layout

Started the layout of the RF input and Product Detector today on paper…and just finished gluing down the pads for these next two stages.  I normally draw the layout on paper and then use it as a template to glue down the pads on the PCB. This time, after doing the layout on paper, I used a black marker and did the template on the PCB and then glued down the pads. A bit more organized and less stressful to say the least.  Here is the schematic for these next two stages:

input amp and product detector







I will also do the LO to product detector interface transformer when I do these two stages. Have to let the pads sit for at least an hour or else they have a tendency to pop-off the PCB when I tin the pads.


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