A MULTI-LEVEL PHASE CONTINUOUS FSK MODULATOR
MASSACHUSETTS INST OF TECH LEXINGTON LINCOLN LAB
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A phase continuous FSK modulator has been instrumented using digital techniques. The system allows for the selection of operating modes using multi- frequency level operation along with variable signaling rates. The principal feature of this modulation technique is its property of yielding a spectrum with a narrower bandwidth than conventional FSK at a given keying rate.
- Non-Radio Communications