Journal of the Society of Motion Picture Engineers ( Volume: 29, Issue: 1, July 1937)

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A Transmission-Measuring System Utilizing a Graphic Recording Meter

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: J SMPE
Volume: 29, No. 1, pp. 68–76
Abstract: The design of a transmission-measuring system utilizing an Esterline Angus recording meter is described. A circuit was developed requiring a special triode exhibiting a logarithmic relation between change of grid bias and plate current. The audio oscillator is a commercial type to which has been added a synchronous motor drive geared to the frequency dial. For the amplifier-rectifier, required to operate the 5-ma. recording meter, use is made of a push-pull class A amplifier terminated by a full-wave, approximately square-law tube rectifier, the d-c. output of the latter being connected to the recording meter. The paper concludes with a discussion of the various applications to which the system may be put.
Publication Date: 1937-07-01
DOI: 10.5594/J08516
ISSN: Print: 0097-5834
Link: https://doi.org/10.5594/J08516
Author(s): W. W. LindsayGeneral Service Studies, Inc., Hollywood, Calif.
Copyright: © 1937 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

1. Ballantine S. : “Variable-mu Tetrodes in Logarithmic Recording,” Electronics (Jan., 1931 ), No. 1, p. 472 . EXTERNAL
10. Hunt F. V. : “A Vacuum-Tube Voltmeter with Logarithmic Response,” Rev. Sci. Instr. (Dec., 1933 ), No. 12, p. 672 . EXTERNAL
11. Taylor J. P. : “A D-C. Amplifier for Logarithmic Recording,” Electronics (March, 1937 ), p. 24 . EXTERNAL
12. Wolff I. : “Alternating-Current Measuring Instruments as Discriminators Against Harmonics,” Proc. I. R. E. (April, 1931 ), No. 4, p. 647 . EXTERNAL
2. Best F. H. : “A Recording Transmission Measuring System for Telephone Circuit Testing,” Bell Sys. Tech. J. (Jan., 1933 ), No. 1, p. 22 . EXTERNAL
3. Wente E. C. Beddell E. H. Swartzel K. D. Jr. : “A High-Speed Level Recorder for Acoustic Measurements,” J. Acous. Soc. Amer. (Jan., 1935 ), No. 1, p. 121 . EXTERNAL
4. Payne E. L. Storey J. G. : “A Portable Program Meter,” The Wireless Eng. & Exp. Wireless (Nov., 1935 ), No. 11, p. 588 . EXTERNAL
5. Thilo H. G. Bidlingmaier M. : “The Tone Meter,” E. N. T. (May, 1936 ), No. 5, p. 176 . EXTERNAL
6. Peachey F. A. : “Automatic Line-Level Recording Apparatus,” Wireless Eng. (Sept., 1936 ), No. 9, p. 462 . EXTERNAL
7. Meyer E. : “Reverberation and Absorption of Sound,” J. Acous. Soc. Amer. (Jan., 1937 ), No. 1, p. 155 . EXTERNAL
8. Ballantine S. : “A Logarithmic Recorder for Frequency Response Measurements at Audio Frequencies,” J. Acous. Soc. Amer. (July, 1933 ), No. 7, p. 10 . EXTERNAL
9. Wheeler H. A. Whitman V. E. : “Acoustic Testing of High-Fidelity Receivers,” Proc. I. R. E. (June, 1935 ), No. 6, p. 610 . EXTERNAL

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W. W. Lindsay; A Transmission-Measuring System Utilizing a Graphic Recording Meter, Journal of the Society of Motion Picture Engineers ( Volume: 29, Issue: 1, July 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08516

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W. W. Lindsay; A Transmission-Measuring System Utilizing a Graphic Recording Meter, Journal of the Society of Motion Picture Engineers ( Volume: 29, Issue: 1, July 1937); SMPTE, 1937. Available at https://doi.org/10.5594/J08516

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<span class="citation">W. W. Lindsay; <cite>A Transmission-Measuring System Utilizing a Graphic Recording Meter</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 29, Issue: 1, July 1937); SMPTE, 1937. Available at <a href="https://doi.org/10.5594/J08516" target="_blank" rel="noopener">https://doi.org/10.5594/J08516</a></span>

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<li>
W. W. Lindsay; <cite id="bib-10-5594-j08516">A Transmission-Measuring System Utilizing a Graphic Recording Meter</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 29, Issue: 1, July 1937); SMPTE, 1937
<span class="doi">10.5594/J08516</span>
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