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IEEE Transactions on Instrumentation and Measurement

Issue 3 • Sept. 1968

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Displaying Results 1 - 15 of 15
  • [Front cover]

    Publication Year: 1968, Page(s): c1
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  • IEEE Instrumentation and Measurement Group

    Publication Year: 1968, Page(s): c2
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  • Table of contents

    Publication Year: 1968, Page(s): 169
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  • Two Methods for Measuring High Permittivity at Microwave Frequencies

    Publication Year: 1968, Page(s):170 - 177
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1803 KB)

    Permittivity is measured by impedance measurement on thin cylindrical samples placed in an ordinary rectangular waveguide and in a cavity formed by an ordinary coaxial transmission line. The first method does not depend on resonance and is characterized by a rather high accuracy. The second, more conventional method, is used in conjunction with the first for study of dc bias dependence of the perm... View full abstract»

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  • Digital Instrumentation for the Time Integral of the Square of a Slowly Fluctuating Voltage

    Publication Year: 1968, Page(s):177 - 185
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1869 KB)

    A portable digital instrument is described that provides a decimal readout of 1) the time integral of the square of a fluctuating voltage and of the measuring time on two decimal displays, and 2) the amplitude distribution of the voltage. The instrument has no low-frequency limitations. For periodic inputs, measurement may take place over one cycle. For either periodic or random inputs, measuremen... View full abstract»

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  • A Comparatorless Dual-Slope Digital Voltmeter

    Publication Year: 1968, Page(s):186 - 192
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1187 KB)

    This paper discusses the design and operation of a digital voltmeter employing a new technique in the analog-to-time converter. The circuit is based on dual-slope integration, which eliminates the necessity of a highly stable clock. Any long term drift in the clock is canceled, so that a simple two-transistor multivibrator clock is used. With the aid of a special diode circuit, the ramp-generating... View full abstract»

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  • The Design of a Dielectric Spectrograph

    Publication Year: 1968, Page(s):192 - 195
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (839 KB)

    The design and principle of operation of a transistorized dielectric spectrograph operating at a frequency of 1650 ±1 MHz are presented. The apparatus has high sensitivity and can measure the dielectric constant to a relative uncertainty of 1×10-7 and the loss tangent to about 2×10-7. It can be used up to pressure ranges of 100 atm or better. The apparatus is particularly useful for the quick m... View full abstract»

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  • The Application of Current Comparators to the Calibration of Current Transformers at Ratios up to 36000/5 Amperes

    Publication Year: 1968, Page(s):196 - 203
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3103 KB)

    The design and construction of a multiratio, 36 000-ampex e compensated current comparator and the technique by which it may be cascaded with a second multiratio comparator to calibrate, with a single balance, power frequency current transformers at ratios up to 7200/1 are described. The first comparator has a distributed, single-turn primary winding and a sectionalized 1200-turn secondary winding... View full abstract»

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  • IEEE Standard for Precision Coaxial Connectors

    Publication Year: 1968, Page(s): 204
    Cited by:  Papers (2)
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  • Foreword

    Publication Year: 1968, Page(s): 205
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  • IEEE Standard for Precision Coaxial Connectors

    Publication Year: 1968, Page(s):206 - 218
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2881 KB)

    First Page of the Article
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  • Precision Coaxial Connector Coupling Mechanisms, Contact Designs, and Higher Mode Resonances

    Publication Year: 1968, Page(s):219 - 222
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (607 KB)

    First Page of the Article
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  • Contributors

    Publication Year: 1968, Page(s):223 - 224
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  • IEEE Instrumentation and Measurement Group

    Publication Year: 1968, Page(s): 224a
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  • Invitation for Papers

    Publication Year: 1968, Page(s): 224-b
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Aims & Scope

Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief

SHERVIN SHIRMOHAMMADI
School of EECS
University of Ottawa
800 King Edward Ave.
Ottawa, Ontario
K1N 6N5 CANADA
Fax: 613-562-5664
shervin@discover.uottawa.ca