Replica DLL for phase resetting

Details Replica DLL for phase resetting Replica DLL for phase resetting

2008-11-13

2011-10-11

Jones, Stephen (Department: 2817)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

C455S265000

Reexamination Certificate

active

08036614

ABSTRACT:
A method, algorithm, architecture, circuits, and/or systems for using a delay-locked loop (DLL) for phase adjustment in a direct conversion radio receiver are disclosed. The DLL is configured to avoid a perceived phase shift when the control voltage to a delay line is reset upon reaching a predetermined amount. Embodiments disclosed include a DLL, a radio receiver using the DLL, a circuit for resetting the DLL, a method for recovering a modulated radio signal, and a method of synchronizing a reference clock to a radio signal. The approach can allow for improved synchronization of the reference clock to a received radio signal during baseband frequency recovery.

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