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Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940)
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Optimum Load Impedance for Triode Amplifiers Employing Feedback

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
The apparent plate-resistance of vacuum-tubes employed in inverse feedback amplifier stages is shown to be a function of the degree of feedback employed. Equations for predicting the optimum value of amplifier load impedance for maximum unlistorted power output are derived, and the necessity for properly building out the amplifier load circuit is demonstrated. A basic circuit, employing a combination of two feedback elements is indicated, which permits securing the maximum undistorted power output from an amplifier stage while maintaining proper impedance relationships between amplifier and load circuits without the use of building-out resistors.
Publication Date
1940-08-01
DOI
10.5594/J10059
Link
https://doi.org/10.5594/J10059
Author(s)
Burton F. Miller
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Burton F. Miller; Optimum Load Impedance for Triode Amplifiers Employing Feedback, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J10059
Snippet:
Burton F. Miller; Optimum Load Impedance for Triode Amplifiers Employing Feedback, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J10059

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Burton F. Miller; Optimum Load Impedance for Triode Amplifiers Employing Feedback, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940); SMPTE, 1940. Available at https://doi.org/10.5594/J10059
Snippet:
<span class="citation">Burton F. Miller; <cite>Optimum Load Impedance for Triode Amplifiers Employing Feedback</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940); SMPTE, 1940. Available at <a href="https://doi.org/10.5594/J10059" target="_blank" rel="noopener">https://doi.org/10.5594/J10059</a></span>

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Preview:
Burton F. Miller; Optimum Load Impedance for Triode Amplifiers Employing Feedback, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940); SMPTE, 1940
doi: 10.5594/J10059
url: https://doi.org/10.5594/J10059
Snippet:
<li>
Burton F. Miller; <cite id="bib-10-5594-j10059">Optimum Load Impedance for Triode Amplifiers Employing Feedback</cite>, Journal of the Society of Motion Picture Engineers ( Volume: 35, Issue: 8, August 1940); SMPTE, 1940
<span class="doi">10.5594/J10059</span>
</li>