Young Natasha lives in the quiet peaceful town of Nikuda in 1800's Russia. Her Father is the village's rabbi. Her older brother Alexey was schooling to eventually become the village rabbi, but he unexpectedly dropped out of Rabbincal school. Natasha's life is full of chores on their small farm, but her Father does not let her attend school despite her thirst for learning and love of books. Girls are not allowed to become rabbis. Her best friend is Katya, a shy girl from a nearby village. Natasha is devastated when Katya mysteriously disappears into the dark forest on the edge of the town. When her brother Alexey becomes mortally ill, she must go on a perilous journey through the dark forest to search for a cure by seeking out a mysterious and reclusive scientist. Accompanying her on this quest is the village Mayor's spoiled son, Elliot. His Mother is also ill and needs the same cure as Alexey. Natasha comes face to face with many Russian folktale monsters, such as Baba Yaga, Wurdlucs, The Golem, Cossacks and more... In her adventures, she discovers that she is more than a simple farm girl. She must summon her courage and wits to get through the dangerous path that lies ahead. ALL AUTHOR PROFITS FROM THIS BOOK WILL BE DONATED TO THE BOSTON CHILDREN'S HOSPITAL
Biographical studies written while the author was employed as director of records to the Government of India in examining the ancient records in the archives at Bombay, Madras and Calcutta.
Analog Test Signal Generation Using Periodic SigmaDelta-Encoded Data Streams presents a new method to generate high quality analog signals with low hardware complexity. The theory of periodic SigmaDelta-encoded bitstreams is presented along with a set of empirical tables to help select the appropriate parameters of a bitstream. An optimization procedure is also outlined to help select a bit sequence with the desired attributes. A large variety of signals can be generated using this approach. Silicon implementation issues are discussed with a specific emphasis on area overhead and ease of design. One FPGA circuit and three different silicon implementations are presented along with experimental results. It is shown that simple designs are capable of generating very high precision signals-on-chip. The technique is further extended to multi-bit signal generation where it is shown how to increase the performance of arbitrary waveform, generators commonly found in past and present-day mixed-signal testers. No hardware modifications are required, only the numbers in memory are changed. Three different calibration techniques to reduce the effects of the AWG's non-linearities are also introduced, together with supporting experimental evidence. The main focus of this text is to describe an area-efficient technique for analog signal generation using SigmaDelta-encoded data stream. The main characteristics of the technique are: High quality signals (SFDR of 110 dB observed); Large variety of signals generated; Bitstreams easily obtained with a fast optimization program; Good frequency resolution, compatible with coherent sampling; Simple and fast hardware implementation; Mostly digital, except an easily testable 1-bit DAC and possibly a reconstruction filter; Memory already available on-chip can be reused, reducing area overhead; Designs can be incorporated into existing CAD tools; High frequency generation.
This proceedings contains the papers presented at the 9th International Symposium on Catalyst Deactivation, held in Lexington, KY, USA, on 7-10 October 2001.
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.