§ 74.970 - Modulation limits.

Related Notices

Latest version.

(a) Visual transmitter. The maximum excursion of the luminance signal in the white direction shall not exceed the value specified in § 73.682(a)(13) of this chapter for the reference white level.

(b) Aural transmitter. The maximum frequency deviation of the aural carrier shall not be permitted to exceed ± 75 kHz on peaks of frequent recurrence during any transmission. This is defined as 100% modulation.

                    
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