Letter | Published:

Resistance-Capacity Tuning

Nature volume 143, pages 639640 (15 April 1939) | Download Citation

Subjects

Abstract

VALVE oscillators and selective amplifiers, in which tuning is carried out by a combination of condensers and resistances, have been developed in recent years and provide means of obtaining sinusoidal oscillations of low as well as high frequency.

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Affiliations

  1. Department of Electrical Engineering, University of Cape Town, Rondebosch. Feb. 25.

    • N. H. ROBERTS

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DOI

https://doi.org/10.1038/143639b0

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