Advanced Electrical Measurements |
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Page 205
... audio frequency range becomes prohibitive . Consequently at these frequencies the 1000 2000 ( RCA ) 300 200 500 POWER CAL AD OFF CYCLES PER SECOND BEAT FREQUENCY OSCILLATOR magnetostriction oscillator is commonly used . It follows from ...
... audio frequency range becomes prohibitive . Consequently at these frequencies the 1000 2000 ( RCA ) 300 200 500 POWER CAL AD OFF CYCLES PER SECOND BEAT FREQUENCY OSCILLATOR magnetostriction oscillator is commonly used . It follows from ...
Page 247
... AUDIO FREQUENCY OSCILLATOR Connect the apparatus as shown in Fig . 112 , including , in addition , a pair of double - pole double - throw switches with D.C. galvanometer and source . For Cuse a good subdivided standard condenser , whose ...
... AUDIO FREQUENCY OSCILLATOR Connect the apparatus as shown in Fig . 112 , including , in addition , a pair of double - pole double - throw switches with D.C. galvanometer and source . For Cuse a good subdivided standard condenser , whose ...
Page 255
... audio frequency or supersonic beat note . The other possibility is to modulate the supply oscillator with an audio frequency note . If this is done , the null instrument may be a radio receiving set including a demodulator , so that an ...
... audio frequency or supersonic beat note . The other possibility is to modulate the supply oscillator with an audio frequency note . If this is done , the null instrument may be a radio receiving set including a demodulator , so that an ...
Contents
NUMBER PAGE 1 Measurement of Specific Resistance | 21 |
Calibration of a CareyFoster Slide Wire | 28 |
Measurement of High Resistance by Leakage | 31 |
Copyright | |
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accuracy adjustment alternating current ampere amplifier apparatus as shown approximately audio balance battery calculate calibration capacitance cathode ray charge coil condenser connected constant couple current flows cycle damping decrease deflection detector determined dial direct current electrical electrodynamometer electrometer electromotive force electrons element equation EXPERIMENT filament flux frequency oscillator gauge grid potential high resistance impedance input inserted instrument ions junction Leeds and Northrup manometer maximum McLeod Gauge measured mercury metal meter method mutual inductance necessary negative obtained ohms operating oscillograph output plate circuit plate current positive potential difference potentiometer pressure pyrometer quantity R₁ R₂ radio frequency range ratio reading relaxation oscillator resistor rheostat scale screen sensitivity shown in Fig shunt slide wire solution standard cell supply switch temperature terminals thermocouple unknown V₁ vacuum tube vacuum tube voltmeter variable voltage gain voltmeter volts wave length Wheatstone bridge zero