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US 2002/0118774 A1Published application
All-digital FSK demodulation with selectable data rate and adjustable resolution
AssigneeTexas Instruments Incorporated
InventorBernd Scheffler
Life of this patent
Estimating the term…
Abstract
All-digital FSK demodulation can be accomplished by producing in response to a received IF signal digital information (22) indicative of a frequency of the IF signal. A symbol represented by the IF signal can then be determined (28, 44) in response to the digital information.
Claims30
A digital FSK demodulation apparatus, comprising:
- an input for receiving an IF signal;
- a digital frequency determiner coupled to said input for producing in response to said IF signal digital information indicative of a frequency of said IF signal;
- and
- a digital symbol determiner coupled to said digital frequency detector and responsive to said digital information for determining a symbol represented by said frequency of said IF signal.
1 more element
A digital FSK demodulation method, comprising:
- receiving an IF signal;
- producing in response to said IF signal digital information indicative of a frequency of said IF signal;
- and
- in response to said digital information, determining a symbol represented by said frequency of said IF signal.
1 more element
Dependencies are inferred from the claim text.