LS4000 GPS Correlation Engine
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The LS4000 is a 12 channel C/A code baseband
correlation processor for use with GPS receivers. It supports 12 parallel correlation channels featuring 4000 time/frequency search bins, achieving very fast signal lock-on to all visible satellites at power-up and reacquisition. The sensitivity-enhanced architecture allows positioning in severe environments such as under foliage and urban canyons.
To lower power consumption, the LS4000 allows the
unused correlation channels to be disabled individually. The LS4000 works with available GPS RF front-ends such as SiGe SE4100 and NEC uPB1007K.
The LS4000 adapts 16-bit data bus interface, compatible with most available 16bit or 32bit processors.