Modulators – Frequency shift keying modulator or minimum shift keying...
Patent
1995-01-20
1996-01-16
Mis, David
Modulators
Frequency shift keying modulator or minimum shift keying...
332101, 327107, 327159, 331 1A, 331 18, 331 23, 375306, 455 76, 455260, H03C 300, H03L 716, H04L 2712
Patent
active
054851297
ABSTRACT:
An apparatus (500) for generating first and second output signals having predetermined frequency shifts relative to a frequency provided by a reference signal is included in a system comprising a phase-locked loop (206) coupled to the reference signal for generating the first and second output signals. The apparatus (500) includes pulse deletion circuitry (204) coupled to the reference signal and the phase-locked loop (206) for deleting pulses from the reference signal at a first deletion rate to generate the first output signal and for deleting pulses from the reference signal at a second deletion rate to generate the second output signal.
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Franson Glen A.
Nanni Peter
Gardner Kelly A.
Mis David
Moore John H.
Motorola Inc.
Nichols Daniel K.
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