A Digitally Compensated Hybrid Crystal Oscillator PDF Download
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Author: G. B. Pollard Publisher: ISBN: Category : Languages : en Pages : 6
Book Description
A thin film hybrid temperature compensated crystal oscillator has been developed which utilizes digital compensation techniques to maintain a stable output frequency with respect to changes in temperature. The digitally compensated crystal oscillator (DCXO) described has been designed to be compatible with automated manufacturing techniques in large volume production, a program with conventional compensated oscillator designs. A look-up table, where each temperature increment corresponds to a particular compensation value, is maintained in an electrically erasable read only memory (EEPROM).
Author: G. B. Pollard Publisher: ISBN: Category : Languages : en Pages : 6
Book Description
A thin film hybrid temperature compensated crystal oscillator has been developed which utilizes digital compensation techniques to maintain a stable output frequency with respect to changes in temperature. The digitally compensated crystal oscillator (DCXO) described has been designed to be compatible with automated manufacturing techniques in large volume production, a program with conventional compensated oscillator designs. A look-up table, where each temperature increment corresponds to a particular compensation value, is maintained in an electrically erasable read only memory (EEPROM).
Author: Marvin Frerking Publisher: Springer Science & Business Media ISBN: 9401160562 Category : Science Languages : en Pages : 252
Book Description
Crystal oscillators have been in use now for well over SO years-one of the first was built by W. G. Cady in 1921. Today, millions of them are made every year, covering a range of frequencies from a few Kilohertz to several hundred Mega hertz and a range of stabilities from a fraction of one percent to a few parts in ten to the thirteenth, with most of them, by far, still in the range of several tens of parts per million.Their major application has long been the stabilization of fre quencies in transmitters and receivers, and indeed, the utilization of the frequency spectrum would be in utter chaos, and the communication systems as we know them today unthinkable,'without crystal oscillators. With the need to accommodate ever increasing numbers of users in a limited spectrum space, this traditional application will continue to grow for the fore seeable future, and ever tighter tolerances will have to be met by an ever larger percentage of these devices.
Author: Jerry C. Whitaker Publisher: CRC Press ISBN: 1420036661 Category : Technology & Engineering Languages : en Pages : 2640
Book Description
During the ten years since the appearance of the groundbreaking, bestselling first edition of The Electronics Handbook, the field has grown and changed tremendously. With a focus on fundamental theory and practical applications, the first edition guided novice and veteran engineers along the cutting edge in the design, production, installation, operation, and maintenance of electronic devices and systems. Completely updated and expanded to reflect recent advances, this second edition continues the tradition. The Electronics Handbook, Second Edition provides a comprehensive reference to the key concepts, models, and equations necessary to analyze, design, and predict the behavior of complex electrical devices, circuits, instruments, and systems. With 23 sections that encompass the entire electronics field, from classical devices and circuits to emerging technologies and applications, The Electronics Handbook, Second Edition not only covers the engineering aspects, but also includes sections on reliability, safety, and engineering management. The book features an individual table of contents at the beginning of each chapter, which enables engineers from industry, government, and academia to navigate easily to the vital information they need. This is truly the most comprehensive, easy-to-use reference on electronics available.
Author: Alan B. Mroch Publisher: ISBN: Category : Languages : en Pages : 114
Book Description
The purpose of this program is the further development of a high stability temperature compensated crystal oscillator (HSTCXO) initially developed under contract DAAB07-71-C-0136. This HSTCXO is digitally compensated and is intended for use as a reference frequency source in advanced tactical communications systems. The program is to include detailed investigations into critical areas of size reduction, compensation simplification, and performance improvement. Five advanced exploratory models of the digitally compensated HSTCXO are to be delivered.
Author: Jerry Whitaker Publisher: CRC Press ISBN: 9781420049657 Category : Technology & Engineering Languages : en Pages : 734
Book Description
Providing examples of applications, this handbook examines the underlying technology of each type of power vacuum tube device in common use today. The author reports on new development efforts and explains the benefits of specific work. Basic principles are discussed, and supporting mathematics are included to clarify the material presented. Extensive technical illustrations and schematic diagrams aid the reader in understanding the maxims of the subject. What's New in the Second Edition? Reviews the latest in new vacuum tube technology - new devices and refinements of existing devices that extend power and frequency capabilities Identifies new applications for commercial and scientific research Examines new frontiers on materials science - directly impacting construction, reliability, and performance Outlines new methods of power tube design - yielding more efficient, lasting tubes Describes new modulation methods affecting power tube design and application, including digital technologies
Author: Jerry Whitaker Publisher: CRC Press ISBN: 1351833278 Category : Technology & Engineering Languages : en Pages : 711
Book Description
Providing examples of applications, Power Vacuum Tubes Handbook, Third Edition examines the underlying technology of each type of power vacuum tube device in common use today. The author presents basic principles, reports on new development efforts, and discusses implementation and maintenance considerations. Supporting mathematical equations and extensive technical illustrations and schematic diagrams help readers understand the material. Translate Principles into Specific Applications This one-stop reference is a hands-on guide for engineering personnel involved in the design, specification, installation, and maintenance of high-power equipment utilizing vacuum tubes. It offers a comprehensive look at the important area of high-frequency/high-power applications of microwave power devices, making it possible for general principles to be translated into specific applications. Coverage includes power grid tubes—triodes, tetrodes, and pentodes—as well as microwave power tubes such as klystrons, traveling wave tubes, gyrotrons, and other high-frequency devices. These vacuum tubes are used in applications from radio broadcasting to television, radar, satellite communications, and more. Explore a Wide Variety of Methods in Power Vacuum Tube Design This third edition includes updates on vacuum tube technology, devices, applications, design methods, and modulation methods. It also expands its scope to cover properties of materials and RF system maintenance and troubleshooting. Explaining difficult concepts and processes clearly, this handbook guides readers in the design and selection of a power vacuum tube-based system. What’s New in This Edition Includes two new chapters on properties of materials and RF system maintenance and troubleshooting Contains updates and additions in most chapters Identifies key applications for commercial and scientific research Examines the frontiers of materials science directly impacting construction, reliability, and performance Reviews methods of power tube design for more efficient, longer-lasting tubes Features updated illustrations throughout to clarify and explain fundamental principles and implementation considerations
Author: G. B. Pollard
Author: G. B. Pollard
Author: Marvin Frerking
Author: Nicolo Testi
Author: Jerry C. Whitaker
Author: Alan B. Mroch
Author: Jerry Whitaker
Author: Jerry Whitaker
Author: Eduard A Gerber
Author: G. A. Warwick
Author: