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D2D®, or Direct-to-Data, is a patented RF conversion technology that redefined RF downconversion processes, a staple in RF signal processing for nearly a century. By spearheading the RF energy transfer sampling approach, ParkerVision has developed an RF downconverter replacing traditional methods, thus reshaping RF device efficiency and performance. The technology enables today's smartphones and other wireless devices to achieve unprecedented data speeds, enhancing user experience significantly. The D2D technology guarantees low-cost chip manufacturing with minimal power usage, covering worldwide radio frequency bands and processing high data rates, crucial for video streaming and data-intensive tasks. By reducing redundancy, the technology allows for silicon footprint reduction and improved dynamic range, translating to fewer additional components like resonant structures. ParkerVision's D2D® serves as a linchpin in modern RF receivers, supporting seamless integration with other essential smartphone technologies, thereby driving the evolution and success of smartphones. This innovation integrates advanced RF capabilities, ensuring robust and reliable connectivity in diverse scenarios, reinforcing the synergy of mobile computing technologies.
This technology revolves around ParkerVision's revolutionary approach to RF receivers using energy-sampling techniques. Historically, super-heterodyne technology was the cornerstone for handset receivers, characterized by multiple down-conversion steps employing traditional mixers. These demanded high local oscillator power, a hindrance in low-power-CMOS applications. ParkerVision innovated by developing RF energy sampling techniques, producing practical matched-filter correlators for frequency down-conversion. This innovation achieves unmatched sensitivity, bandwidth, and dynamic range for direct-conversion receivers, while enhancing selectivity and interference rejection. By eliminating RF signal splitting between I and Q paths, ParkerVision's technology reduces power consumption and improves demodulation precision. The technology's compact and cost-effective nature supports low silicon area usage, thanks to fewer resonant structures and the elimination of many external filters. Widely applicable, the technology is adept at integrating into devices like handsets, modems, and tablets across various standards (GSM, EDGE, CDMA, UMTS, LTE), enabling increased device functionality with reduced footprint and cost.
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