- #1
clubgitmo
- 5
- 0
Hey guys, quick question.
Is the modulation scheme described here (Armstrong's Phase Modulation) simply wide band FM?
This Wikipedia article lists the following patent for Ed Armstrong for "Armstrong's Phase Method" and "Wideband FM"
1933 Patent:
http://www.google.com/patents/US1941068
Is the modulation scheme described here (Armstrong's Phase Modulation) simply wide band FM?
This Wikipedia article lists the following patent for Ed Armstrong for "Armstrong's Phase Method" and "Wideband FM"
1933 Patent:
http://www.google.com/patents/US1941068
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