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Wednesday, 20 June 2012

FT-847 4M (70MHz) Pre-Amp Mod

As I mentioned in my last post here:

http://g0mgx.blogspot.co.uk/2012/06/4m-70mhz-and-counting.html

I had bought a mod for the FT-847 to improve the reception on 4M (70MHz). The kit is made by G4FUF and is really quite a neat package which you start with the surface mount components:


Once all the SMD parts are on the board there are a number of inductors:



followed by a pair of relays and an rf connection or two:


So next is to perform a basic DC test and then install inside the FT-847...

Watch this space!

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