Title :
An Electron Tube Wattmeter and Voltmeter and a Phase Shifting Bridge
Author :
Turner, H.M. ; McNamara, F.T.
Author_Institution :
Yale University, New Haven, Connecticut
Abstract :
The purpose of this paper is to describe a wattmeter, for measuring power of a few microwatts or more, a phase shifting bridge for controlling the angular relation of two potentials without changing their amplitudes, and a voltmeter for measuring potentials of a few millivolts without amplifying.
Keywords :
Bridge circuits; Calibration; Electron tubes; Instruments; Phase measurement; Power measurement; Power supplies; Voltage; Voltmeters; Wattmeters;
Journal_Title :
Radio Engineers, Proceedings of the Institute of
DOI :
10.1109/JRPROC.1930.221918
