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Phase-change memory (PCM) is becoming widely recognized as the most likely candidate to unify the many memory technologies that exist today (Lee, et al., 2007). The combination of non-volatile attributes of flash, RAM-like bit-alterability, and fast reads and writes position PCM to enable changes in the memory subsystems of cellular phones, PCs and countless embedded and consumer electronics applications...
A non-linear circuit that obtains a logistic-like response with very low current levels suitable for generating of spread-spectrum signals is presented. This circuit obtains the non-linear transfer function by using only four cross-coupled transistors and may operate as a discrete-time spread-spectrum generator thus providing sequences of quasi-random numbers. The circuit was designed and simulated...
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