RE: Spektrum DX-7
BillS,
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A ‘Spread Spectrum’ Google search will provide a broad range of information about the 50-year-old technology.
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I understand what you have said Bill, but the 'impression' your comment left with me (nothing new under the sun) is not at all true about its RC application.
A short range technology has been stroked and massaged until it will give true RC full range performance------and THAT is news!
Also it does so without interfering with the myriad 2.4GHz applications which exist.
Super Heterodyne is still used in some 'modern' designs and as you probably are aware that goes back to the Army Signal Corps. and Edwin Armstrong in the 20's. The ideas are old the application is new.