Modulators – Frequency modulator – Including stabilization or alternatively distortion – noise...
Reexamination Certificate
2007-09-18
2007-09-18
Kinkead, Arnold (Department: 2817)
Modulators
Frequency modulator
Including stabilization or alternatively distortion, noise...
C332S117000, C332S100000, C331S042000, C331S074000, C455S260000, C455S076000, C455S313000
Reexamination Certificate
active
11232867
ABSTRACT:
A frequency generation apparatus and a method are provided. The frequency generation apparatus for generating a plurality of center frequencies for use in multi-band hopping communication, includes: an oscillator generating an oscillation frequency; a reference frequency generator multiplying the oscillation frequency by a first multiplication rate to generate a reference frequency; a compensation frequency generator multiplying the oscillation frequency by a second multiplication rate to generate a compensation frequency for compensating for the influence of a frequency offset of the oscillation frequency; and a center frequency generator generating the plurality of center frequencies using the reference frequency and the compensation frequency. Therefore, by compensating for the influence of a frequency offset of an oscillation frequency on the generation of center frequencies, it is possible to generate stable center frequencies.
REFERENCES:
patent: 4019153 (1977-04-01), Cox, Jr. et al.
Kim Wan-jin
Koo Jae-hyun
Lee Woo-kyung
Kinkead Arnold
Sughrue Mion Pllc.
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