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Publication of BE437269ApublicationCriticalpatent/BE437269A/xx
H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
H03J7/02—Automatic frequency control
H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03C—MODULATION
H03C3/00—Angle modulation
H03C3/02—Details
H03C3/04—Means in or combined with modulating stage for reducing amplitude modulation