Frequency Control, 1990., Proceedings of the 44th Annual Symposium on
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Published: 1990
Total Pages:
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Published: 1990
Total Pages:
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Published: 1990
Total Pages: 640
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DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1990
Total Pages: 640
ISBN-13:
DOWNLOAD EBOOKAuthor:
Publisher:
Published: 1990
Total Pages: 640
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DOWNLOAD EBOOKAuthor:
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Published: 1990
Total Pages: 651
ISBN-13:
DOWNLOAD EBOOKDescriptions are given of (he me(hods of separated and successive oscillatory fields and of the atomic hydrogen maser. Their applications to precision spectroscopy of atoms and molecules are discussed along with specific examples of fundamental measurements best made with such devices. The applications of these methods to atomic clocks are discussed. A discussion is also given of fundamental experiments which require highly stable clocks.
Author: Symposium on Frequency Control
Publisher:
Published: 1990
Total Pages: 640
ISBN-13:
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Published: 1991
Total Pages: 744
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DOWNLOAD EBOOKAuthor: Symposium on Frequency Control
Publisher:
Published: 1989
Total Pages: 643
ISBN-13:
DOWNLOAD EBOOKAuthor: Venceslav F. Kroupa
Publisher: John Wiley & Sons
Published: 1998-11-18
Total Pages: 402
ISBN-13: 0780334388
DOWNLOAD EBOOKWith the advent of integrated circuits (IC), digital systems havebecome widely used in modern electronic devices, includingcommunications and measurement equipment. Direct Digital FrequencySynthesizers (DDS) are used in communications as transmitterexciters and local oscillators in receivers. The advantages aresuperior frequency stability, the same as that of the driving clockoscillator, and short switching times. The difficulties are loweroutput frequencies and rather large spurious signals. Compiled for practicing engineers who do not have theprerequisite of a specialist's knowledge in Direct DigitalFrequency Synthesizers (DDS), this collection of 40 importantreprinted papers and 9 never-before published contributionspresents a comprehensive introduction to DDS properties and a clearunderstanding of actual devices. The information in this volume canlead to easier computer simulations and improved designs. Featured topics include: * Discussion of principles and state of the art of wide-rangeDDS * Investigation of spurious signals in DDS * Combination of DDS with Phase Lock Loops (PLL) * Examination of phase and background 'noise' in DDS * Introduction to Digital to Analog Conversion (DAC) * Analysis of mathematics of quasiperiodic omission ofpulses DDFS can also serve as a textbook for students seeking essentialbackground theory.
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Published: 1974
Total Pages: 436
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