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Title: Synchronizing carrier frequencies of co-channel amplitude-modulated broadcast

Patent ·
OSTI ID:909403

Systems and methods are described for carrier-frequency synchronization for improved AM and TV broadcast reception. A method includes synchronizing a carrier frequency of a broadcast signal with a remote reference frequency. An apparatus includes a reference signal receiver; a phase comparator coupled to the reference signal receiver; a voltage controlled oscillator coupled to the phase comparator; and a radio frequency output coupled to the voltage controlled oscillator.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
7,218,696
Application Number:
10/304,338
OSTI ID:
909403
Country of Publication:
United States
Language:
English