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Split Phase Data Synchronizer Disclosure Number: IPCOM000052790D
Original Publication Date: 1981-Jul-01
Included in the Prior Art Database: 2005-Feb-11

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East, DG Kapfer, TJ [+details]


A sampling system may be operated synchronously with a sampling interval of ts (sampling frequency f(s) = 1/t(s)) at data rates of f(d) = fs/2 without loss of information. When, however, the data is asynchronous and occurs with an apparent frequency shift of +/- delta f(d) then delta f(d) + f(d) >/- fs/2 >/- f(d) - delta f(d) and both instantaneous and cumulative detection errors may result depending on the magnitude and rate of change of delta fd.