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AN-1434 - Crest Factor Invariant RF Power Detector

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Crest Factor Invariant RF Power Detector Crest Factor Invariant RF Power Detector Introduction Over the past few years cellular phone system have made a major transition from power efficient digital modulation schemes to bandwidth efficient digital modulation techniques. This is because new cellular phone systems need to provide a high transmission rate capability to satisfy the needed broadband applications. Power efficiency modulation schemes provides reliable transmission of information in a communications system at the lowest practical power level. One of the very successful examples is the GSM/GPRS network. The binary signaling GMSK modulation is used in the GSM/GPRS network. A bandwidth efficient modulation scheme delivers a higher data rate within a limited spectrum bandwidth.