Download or read book Log ratio Circuit for Beam Position Monitoring written by and published by . This book was released on 1991 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The logarithmic ratio of the signal amplitudes from beam-position probe-electrodes provides a normalized real-time analog signal that is more linear in beam displacement than other signal-processing techniques for circular cross-section, beam-position monitors. This paper describes work being done to develop a log-ratio circuit using an inexpensive, commercially available, logarithmic-response, integrated-circuit rf-amplifier. The circuit uses two amplifiers in a log (A) - log (B) = log (A/B) configuration to provide the logarithmic ratio of the two rf input signals from the probe. The output is a real-time analog signal proportional to beam displacement. 4 refs., 7 figs.
Download or read book Beam Position Monitoring in the 100 MHz to 500 MHz Frequency Range Using the Log ratio Technique written by and published by . This book was released on 1993 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: A logarithmic-ratio beam position monitor (BPM) circuit has been designed that operates directly from radio frequency- signals in the 100-MHz to 500-MHz frequency range. The circuit uses four logarithmic amplifiers, a pair for each channel. One amplifier per channel receives its signal input directly from a BPM electrode while the second amplifier receives the same signal attenuated by 7-dB. The two outputs of each channel are summed together and the composite video outputs are applied to a differencing amplifier. The net result is the logarithmic-ratio position measurement derived from the two input rf signals. Paralleling the pairs of outputs from the amplifiers provides measurement accuracy that is comparable to other circuit techniques used for position measurement.
Download or read book Log ratio Signal processing Technique for Beam Position Monitors written by and published by . This book was released on 1993 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two basic signal-processing techniques are presently in wide use for the processing of signals from beam position monitors (BPMs); difference-over-sum, and amplitude-modulation-to-phase-modulation (AM-PM) conversion. Difference-over-sum offers simplicity and low cost, but poor real-time normalized response and amplitude dynamic range. AM-PM offers fast real-time response and large dynamic range, but is costly and difficult to implement. Logarithmic-ratio processing, a technique using newly available inexpensive hybrid circuits, appears to offer the advantages of both, and the disadvantages of neither. This paper reviews the features techniques, and highlights the features of the log-ratio technique. Among the advantages of log-ratio is a beam-displacement response linearity that is superior to either difference-over-sum or AM-PM for circular-aperture BPMs.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1993-08 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book EPAC 92 written by H. Henke and published by Atlantica Séguier Frontières. This book was released on 1992 with total page 942 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Accelerator Instrumentation written by Hinkson and published by American Inst. of Physics. This book was released on 1998-04-15 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation Proceedings of the October 1992 workshop, including papers and poster sessions. Papers address accelerator reliability, beam diagnostics, beam monitors, signal processing, fluorescent screens, timing systems, and software analysis. Lacks an index. Annotation c. by Book News, Inc., Portland, Or.
Download or read book Accelerator Instrumentation written by and published by . This book was released on 1989 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Synchrotron Radiation Sources A Primer written by Herman Winick and published by World Scientific. This book was released on 1995-02-28 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: Specialists in the technical components of a synchrotron light source are usually well versed in their field and in the associated technical literature. However, with the rapid and continuing growth of synchrotron radiation research, and with new facilities coming online and being authorized for design and construction around the world, there is a need for a reference book that describes the various technical components of a synchrotron light source in a manner that will be useful to those who lack specialized technical background, but who have responsibility for some part of the design, construction, operation or development of such a facility. This would include technicians, engineers and physicists who have technical background in related fields but no specific experience with a synchrotron light source, and also project managers, laboratory directors, and government officials involved with synchrotron light facilities.College level scientific or engineering training or the equivalent experience is assumed and appropriate mathematics is used throughout. However, the basic concepts in each chapter are given in less technical language and a glossary of terms as well as an index will make the book useful for those with less technical training or experience.
Download or read book 1992 Linear Accelerator Conference Proceedings written by and published by . This book was released on 1992 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physics Briefs written by and published by . This book was released on 1994 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conference Record of the 1991 IEEE Particle Accelerator Conference written by and published by . This book was released on 1991 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the Workshop on Advanced Beam Instrumentation written by and published by . This book was released on 1991 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Logarithmic Beam Position Monitor written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern logarithmic amplifiers offer wide dynamic range, high bandwidth, good logarithmic conformance, and low cost making them attractive for beam position measurements. A log-ratio beam position monitor has been designed and built at SLAC for use at the PEP-II B-Factory. An integrated circuit logarithmic amplifier from Analog Devices, the AD8307, recovers the envelope of the 476 MHz harmonic of the beam signal. A log BPM board with two logarithmic and one differential amplifier performs the basic function of forming an output voltage proportional to the difference of the logarithms of the signal amplitudes on opposite electrodes. This voltage is approximately linear with beam position. For this application, the authors have limited the video bandwidth of the log amps to 50 kHz in order to remove fill pattern dependence. The log BPM board has an interface for testing and simulating beam offsets. The log BPM's were developed for a PEP-II ring protection chassis. Here the log BPM's function to identify dangerous orbit excursions. These excursions are signaled to a system, which can dump the beam. Two such chassis serve to protect the PEP-II rings.
Download or read book Beam Instrumentation Workshop 2006 written by Thomas S. Meyer and published by American Institute of Physics. This book was released on 2006-12-07 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 12th Beam Instrumentation Workshop addressed design principles and engineering issues of beam diagnostics and control instrumentation for charged particle accelerators and beam transport lines. The workshop provided a forum in which participants could exchange ideas and review instrumentation designs, and served as an introduction to relevant topics for engineers and scientists with the aid of tutorial sessions.
Download or read book Beam Instrumentation written by Alex H. Lumpkin and published by A I P Press. This book was released on 1997 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the May 1996 workshop, including tutorial, invited, and contributed papers. Subjects include a subpicosecond bunch duration measurement technique based on autocorrelation of coherent transition radiation, commissioning results of the APS storage ring diagnostics systems, bunch instabi
Download or read book Handbook of Accelerator Physics and Engineering written by Alexander Wu Chao and published by World Scientific. This book was released on 1999 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by internationally recognized authorities in the field, this expanded edition of the bestselling Handbook first published in 1999 is aimed at the design and operation of modern accelerators including Linacs, Synchrotrons and Storage Rings. It is intended as a vade mecum for professional engineers and physicists engaged in these subjects. With a collection of 2200 equations, 345 illustrations and 185 tables, here one will find, in addition to the common formulae of previous compilations, hard to find, specialized formulae, recipes and material data pooled from the lifetime experience of many of the world's most able practitioners of the art and science of accelerators.The eight chapters include both theoretical and practical matters as well as an extensive glossary of accelerator types. Chapters on beam dynamics and electromagnetic and nuclear interactions deals with linear and nonlinear single particle and collective effects including spin motion, beam-environment, beam-beam and intrabeam interactions. The impedance concept and calculations are dealt with at length as are the instabilities associated with the various interactions mentioned. A chapter on operational considerations deals with orbit error assessment and correction. Chapters on mechanical and electrical considerations present material data and important aspects of component design including heat transfer and refrigeration. Hardware systems for particle sources, feedback systems, confinement and acceleration (both normal conducting and superconducting) receive detailed treatment in a subsystems chapter, beam measurement techniques and apparatus being treated therein as well. The closing chapter gives data and methods for radiation protection computations as well as much data on radiation damage to various materials and devices.A detailed index is provided together with reliable references to the literature where the most detailed information available on all subjects treated can be found.
Download or read book Conference Record of the 1991 IEEE Particle Accelerator Conference written by IEEE Nuclear and Plasma Sciences Society and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 1991 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
