Power management by constant awake correlator

Details Power management by constant awake correlator Power management by constant awake correlator

2004-06-24

2011-10-04

Ha, Dac (Department: 2611)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S574000, C375S149000, C375S151000, C375S153000, C340S007360

Reexamination Certificate

active

08032107

ABSTRACT:
Disclosed is a circuit for improved power management of a wireless device, comprising an input signal from an antenna, an oscillator, a mixer and a circuit for correlating. In a first analog embodiment of the circuit, the circuit for correlating comprises a surface acoustic wave (SAW) and the circuit further comprises an operational amplifier and a reference voltage. In a second digital embodiment of the circuit, the circuit for correlating comprises a digital correlator and the circuit further comprises a digital comparator.

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