R
R Southfield
Publications - 1
Citations - 4
R Southfield is an academic researcher. The author has contributed to research in topics: Relaxation oscillator & Resistor. The author has an hindex of 1, co-authored 1 publications receiving 4 citations.
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Alternating current motor speed control circuit
TL;DR: In this paper, a free-running unijunction transistor relaxation oscillator was used for firing a controlled rectifier, the period of oscillation being a multiple number of half cycles of the line frequency and obtained by the selection of several resistors switched into the emitter circuit.