FM deviation control of direct digital synthesizers

Details FM deviation control of direct digital synthesizers FM deviation control of direct digital synthesizers

1990-09-07

1991-09-03

Grimm, Siegried H.

Modulators

Frequency modulator

332119, 375 44, H03C 306, H03C 309

Patent

active

050458175

ABSTRACT:
In a direct digital synthesizer providing a frequency modulated output the modulation input is bit shifted and the rate of the direct digital synthesizer phase accumulation is controlled to provide enhanced FM deviation resolution.

REFERENCES:
patent: 4331941 (1982-05-01), Kovalick et al.
patent: 4628286 (1986-12-01), Nossen
patent: 4757519 (1988-07-01), Collison et al.

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