Feedback in Very-High-Frequency and Ultra-High-Frequency Oscillators

1 June 1950

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in Proceedings of the IRE

Vol. 38 (6) , 630-632
https://doi.org/10.1109/JRPROC.1950.232796

Abstract

This paper covers a study of feedback considerations in low-power negative-gnrd triode oscillators for the frequency range of 100 to 1,000 Mc. Discussion is mainly confined to oscillators using a single tuned circuit between grid and plate in the modified Colpitts circuit wherein the feedback is provided by the internal tube capacitances. The optimum feedback conditions are derived, and the analysis is applied to several typical oscillators.

Keywords

OSCILLATORS
FEEDBACK CIRCUITS
NEGATIVE FEEDBACK
RLC CIRCUITS
TUNED CIRCUITS
CATHODES
CAPACITANCE
RADIO FREQUENCY
ADMITTANCE

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