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An ultra low-power super-regenerative receiver for BFSK signals has been designed and fabricated in a standard 0.18 mum CMOS process. The use of BFSK allows the receiver to operate at higher data rates and also gives an approximate 3 dB SNR performance increase over the more traditional OOK modulation. At 1 Mb/s the receiver consumes 0.4 nJ/b making it the… (More)
This study examined the effects of increasing the stimulus-presentation time of a motion picture test for identifying perceptual disabilities in the performance of Ss in regular first and fourth grade classrooms and on a sample of Ss in special education classes who had been identified as having varying degrees of perceptual deficiencies. The length of… (More)
The purpose of this study was to report problems encountered in the measurement of visual figure-ground perception. Conclusions from five related studies suggested that the skill may be a combination of related factors.