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Author :
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ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.3/5 (243 download)
Download or read book Basic EMC Technology Advancement for C3 Systems written by and published by . This book was released on 1982 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.3/5 (243 download)
Download or read book Basic EMC Technology Advancement for C3 Systems written by and published by . This book was released on 1982 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (122 download)
Download or read book Basic EMC Technology Advancement for C3 Systems written by and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wayne E. Beech
Publisher :
ISBN 13 :
Total Pages : 105 pages
Book Rating : 4.:/5 (96 download)
Download or read book Basic EMC Technology Advancement for C3 Systems-prediction of Crosstalk in Flatpack Coaxial Cables written by Wayne E. Beech and published by . This book was released on 1984 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 175 pages
Book Rating : 4.:/5 (318 download)
Download or read book Basic EMC Technology Advancement for C3 Systems - Model Revision for IEMCAP written by and published by . This book was released on 1984 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents suggested model and code revisions for the wire-to-wire and field-to-wire coupling subroutines in the Intrasystem Electromagnetic Compatibility Analysis Program (IEMCAP). The suggested revisions are to improve model predictions, remove unnecessary code, and modularize the subroutines. An assessment of the advisability of including models for system perturbations (cable clamps, ribs, bulkheads, etc.) is also given.
Author : James C. Bowers
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC Technology Advancement for C3 Systems. Volume 2A. Macromodels of Op Amps for CADA Applications written by James C. Bowers and published by . This book was released on 1983 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: A macromodel of an amp is considered which will simplify circuit analysis. The macromodel, the selection of device parameters within the model and mode realization are considered. Some examples of application are considered. This is Volume IIA of a six-volume final report. Volumes IVA, B, and C have already been published. These volumes deal with: Vol I - methodology to relate EMI criteria to microelectronic circuit performance measures; Vol II- methods to analyze these circuits; Vol III - defining method for writing EMC specifications related to performance measurements; Vol IV - EM coupling and testing- mostly near field coupling; Vol V - coupling between wires and boxes when the distance are greater; Vol VI - the FORTRAN IV computer code implementation of the modules developed in Vol V.
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (122 download)
Download or read book Basic EMC Technology Advancement for C3 Systems: A nonlinear macromodel of the bipolar integrated circuit operation amplifier for electromagnetic interference analysis written by and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. P. Clayton
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ISBN 13 :
Total Pages : 169 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems - Model Revision for IEMCAP (Intrasystem Electromagnetic Compatibility Analysis Program). written by R. P. Clayton and published by . This book was released on 1984 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report documents suggested model and code revisions for the wire-to-wire and field-to-wire coupling subroutines in the Intrasystem Electromagnetic Compatibility Analysis Program (IEMCAP). The suggested revisions are to improve model predictions, remove unnecessary code, and modularize the subroutines. An assessment of the advisibility of including models for system perturbations (cable clamps, ribs, bulkheads, etc.) is also given. Originator supplied keywords include: IEMCAP; wire-to-wire; field-to-wire; crosstalk; electromagnetic compatibility; EMC modeling. (Author).
Author : W. E. Beech
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC Technology Advancement for C3 Systems. Volume 4F. Prediction of Crosstalk in Flatpack Coaxial Cables written by W. E. Beech and published by . This book was released on 1984 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electromagnetic crosstalk present in a class of cables known as flatpack, coaxial cables is investigated. The multiconductor transmission line equations are used to derive a model of a general flatpack, coaxial cable consisting of n cables. This model is then implemented as a digital computer program to allow simulation of the crosstalk levels present in the cable. This simulation is compared to experimental results to prove that the model is valid and can accurately predict the crosstalk levels. Also the effect of common impedance coupling, the presence of drain wires to allow for connection to the shields of the cable, and the presence of pigtail sections (exposed sections of wire) is examined to determine their effect on the overall electromagnetic crosstalk present in the cable. Keywords include: Crosstalk; Flatpack cables; Electromagnetic compatibility; Transmission lines; and Modelling.
Author : J. C. Bowers
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems, Macromodeling of Digital Circuits. Volume 2B. written by J. C. Bowers and published by . This book was released on 1984 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: A NAND gate macro-model is developed using SPICE which allows for the complete simulation of the operation of the logic gate. The model derivation requires only external DC voltage and current measurements and logic delay times, but the model developed is shown to fully simulate the high-frequency response of the device as well, including the response of the device to interference in the 1-100MHz range. A simpler SUPER*SCEPTRE NAND gate model is also presented, which effectively models the response up to normal switching speed limits. Also, a less complex SPICE modeling procedure is developed for the purpose of modeling large logic circuits in a minimum of computer time.
Author : Woodrow W Everett (III.)
Publisher :
ISBN 13 :
Total Pages : 151 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems. Volume 4E. Modeling of Transmission Lines: A Comparison of Lumped-Circuit Iterative Models and the Transmission Line Model written by Woodrow W Everett (III.) and published by . This book was released on 1984 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparison between the predictions of various lumped-circuit iterative models of transmission lines and that of the transmission line model is given for both the two and three-conductor cases. For frequencies such that the line length is approximately 1/10 of a wavelength or less one section of the lumped-circuit models yield predictions which are within +3dB of the transmission line model predictions, and which are essentially independent of the value of load impedance. For frequencies where the line length is greater than approximately 1/10 of a wavelength, more than one section of the lumped models must be used to yield accurate predictions, but the prediction accuracy may be significantly effected by the load impedance value. The range of accurate predictions (in terms of electrical length) may be increased by adding more sections of a lumped-circuit model, but this range increases in a nonlinear fashion. Because of this nonlinear relationship, it is difficult to find a satisfactory method for estimating the number of sections of a particular lumped-circuit model that must be used in order to obtain a desired range of accurate predictions. Originator-supplied keywords include: Electromagnetic compatibility; Cable coupling; Transmission lines, Crosstalk, Computer modeling.
Author : D. A. Koopman
Publisher :
ISBN 13 :
Total Pages : 166 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems. Volume 4D. Modeling Crosstalk in Balanced Twisted Pairs written by D. A. Koopman and published by . This book was released on 1984 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical devices (computers, radar systems, communication radios, etc.) are interconnected by wires on most present systems. Electromagnetic fields produced by the excitation of these wires will cause unintentional coupling of signals onto nearby wires. This undesired electromagnetic coupling is termed crosswalk. It is important to be able to determine whether these crosstalk signals will cause the devices at the ends of the wires to malfunction. Wires are often grouped together in cable bundles or harnesses. The close proximity of wires in these bundles enhances the possibility that the crosstalk levels will be sufficiently large to cause malfunctions. The ability to predict crosstalk levels and the means to control crosstalk when it causes a problem are important to optimum system design. It interference of this type is allowed to surface during final system tests, a costly and time consuming retrofit of the wiring or the addition of filters and other interference control measures may be required.
Author : Y. H. Sutu
Publisher :
ISBN 13 :
Total Pages : 250 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems. Volume 1B. Demodulation Radio Frequency Interference Effects in Operational Amplifier Circuits written by Y. H. Sutu and published by . This book was released on 1985 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since monolithic integrated operational amplifier (op amps) have become important building blocks in today's control and communications systems, a series of investigations have been carried out to determine RFI effects in analog circuits using op amps as active device. The specific RFI effect investigated is demodulations of amplituder-modulated (AM) RF signals in op amp circuits to produce undesired low frequency responses at the AM-modulations frequency. Subsequently, the undesired demodulation responses may be processed in a manner similar to a desired low frequency signal by the low frequency components that follow the order nonlinear transfer function. Keywords include: Electromagnetic compatibility, Electromagnetic interference, Operational amplifiers, Macromodel, Nonlinear response, and Nonlinear transfer function.
Author : A. Ephrath
Publisher :
ISBN 13 :
Total Pages : 207 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Interference) Technology Advancement for C3 Systems. Volume 3A. Probabilistic Analysis of Combinational Circuits with Random Delays written by A. Ephrath and published by . This book was released on 1984 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt: Random propagation delays are encountered in digital integrated circuits due to fluctuations in the fabrication process. These delays can be further increased due to the presence of electromagnetic interference. System performance can be evaluated from the expected values of the output signals. Analytical methods for determining the output expected values of combinational circuits with random delays are developed in this dissertation. Given the input expectations, the network logic functions, and p.d.f.'s of the delays associated with the gates of the network, it is shown how to obtain the output expected values. Two types of delay elements are considered: (1) the pure delay elements, whose output is a delayed, but undistorted, replica of the input and (2) the discriminating delay element, where input rise and fall transitions experience different delays. Two degrees of network complexity are dealt with: (1) tree-like networks, in which there is only one path from every network input to any network and (2) networks with reconvergent fanouts, where more than one path exists from some inputs to some outputs. To simplify analysis of very large circuits, an approximate model is proposed where the circuits are subdivided into large logic blocks. The analytical techniques previously derived for individual gates are then applicable. Various strategies for characterizing the delays of the large logic blocks are considered and examined by means of computer simulations. Originator-supplied keywords: Combinational circuits, Digital integrated circuits, Electromagnetic interference, Logic circuits, Probability, Random propagation, delays, Fan out circuits, Reconvergent fan out, Tree-like networks, Electromagnetic compatibility.
Author : G. K. C. Chen
Publisher :
ISBN 13 :
Total Pages : 137 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 Systems. Volume 1. A Nonlinear Macromodel of the Bipolar Integrated Circuit Operational Amplifier for Electromagnetic Interference Analysis written by G. K. C. Chen and published by . This book was released on 1983 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: A macromodel containing two transistors can accurately predict how amplitude modulated RF signals with RF carrier frequencies in the 0.05 to 100.0 MHz range are demodulated in bipolar operational amplifiers (micro A741 and LM10 op amps) to cause undesired low frequency responses related to the modulation envelope of the RF signals. The original op amp macromodel which was developed by Boyle at al was modified by adding four capacitors C(sub) to account for parasitic capacitance effects in integrated circuit op amps. A procedure for assigning C(sub) values is given. The macromodel can be used when the RFI signals are incident upon the op amp input terminals. The use of the macromodel leads to a substantial reduction in computer time and expense. The ability of the nonlinear macromodel to represent the overall integrated circuit nonlinear response with only two transistors at the input stage is explained using the feedback theory of cascaded nonlinear transfer functions. In an operational amplifier with a linear feedback in its second stage, the nonlinear response of the second stage is suppressed. The overall nonlinear response is dominated by the nonlinearities of the input stage. (Author).
Author : D. Weiner
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (227 download)
Download or read book Basic EMC (Electromagnetic Compatibility) Technology Advancement for C3 (Command, Control, and Communications) Systems written by D. Weiner and published by . This book was released on 1985 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: This research effort was devoted to eliminating some of the basic technological gaps in the two important areas of 1) electromagnetic effects (EM) on microelectronic circuits and 2) EM coupling and testing. The results are presented in fourteen reports which have been organized into six volumes. The reports are briefly summarized in this volume. In addition, an experiment is described which was performed to demonstrate the feasibility of applying several of the results to a problem involving electromagnetic interference. Specifically, experimental results are provided for the randomness associated with 1) crosstalk in cable harnesses and 2) demodulation of amplitude modulated (AM) signals in operational amplifiers. These results are combined to predict candidate probability density functions (pdf's) for the amplitude of an AM interfering signal required to turn on a light emitting diode. The candidate pdf's are shown to be statistically consistent with measured data. (Author).
Author :
Publisher :
ISBN 13 :
Total Pages : 1346 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 1346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
