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Calibration of Directcurrent Instruments
Methods of Measuring Alternating Voltages and Currents
102 other sections not shown
accuracy adjusted amplification factor amplifier amplitude antenna applied arrangement attenuator audio audio-frequency balance bridge calibration carrier cathode-ray tube cent coefficients coil component condenser constant coupling curve cut-off cycles decibels deflection desired detector determined direct current direct-current distortion distributed capacity dynatron effect electrode electrostatic employed equipment filter frequency meter frequency modulation give grid bias ground harmonic heterodyne heterodyne frequency meter illustrated in Fig impedance inductance instrument Kennelly-Heaviside layer linear load resistance loop magnetic maximum method of measuring multivibrator mutual conductance negative resistance normally obtained ohms operating oscillator oscillograph output voltage peak pentode phase plate circuit plate potential plate resistance plate voltage possible primary Proc procedure radio frequencies radio receiver range ratio reactance rectifier resonant frequency result screen-grid secondary series resistance shield shown in Fig shunt signal standard switch thermocouple triode tuned circuit unknown vacuum-tube voltmeter variable varying volts wave length wire