Electrical Measurements and Their Applications |
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Page 161
... OSCILLATOR The oscillator will be calibrated by comparison with the commercial supply frequency fe , which is generally sufficiently stable to furnish a work- ing standard . Connect the oscillator output to the y - input terminals and ...
... OSCILLATOR The oscillator will be calibrated by comparison with the commercial supply frequency fe , which is generally sufficiently stable to furnish a work- ing standard . Connect the oscillator output to the y - input terminals and ...
Page 183
... oscillation is de- termined by the adjustment of a var- iable air capacitor . eee Amp . M R FIG . 8.7 . An L - C radio frequency oscillator . For most laboratory applications , radio frequency oscillators with a power output of a ...
... oscillation is de- termined by the adjustment of a var- iable air capacitor . eee Amp . M R FIG . 8.7 . An L - C radio frequency oscillator . For most laboratory applications , radio frequency oscillators with a power output of a ...
Page 212
... oscillator shown in Fig . 9.8 is supplying a voltage V1 sin wit . Assuming that the recifier is operating in the ... oscillator are characterised by high fre- quencies , while their difference is a radio frequency , a receiver tuned to ...
... oscillator shown in Fig . 9.8 is supplying a voltage V1 sin wit . Assuming that the recifier is operating in the ... oscillator are characterised by high fre- quencies , while their difference is a radio frequency , a receiver tuned to ...
Contents
Electrical Laboratory PracticePrecision of Measurements | 3 |
EXPERIMENT | 7 |
Direct Current Measurements Using Deflection Meters | 17 |
Copyright | |
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accuracy adjusted alternating current amplifier amplitude approximately attenuator balance battery bridge calibrated capacitance capacitor cathode characteristic impedance charge coaxial line coil Compute condenser conductors connected constant counter curve damping deflection determined devices direct current effect electrons elements energy equal equation error flux density full scale function gage galvanometer grid Hence indicated inductance inductor input impedance instrument ionization leakage low frequency magnetic field magnitude microphone moving obtained ohms oscillator oscillographs output voltage parallel particles pass band percent phase plates position potential difference potentiometer pressure probe produce proportional pulse pyrometer quantity quency R₁ R₂ radiation radio frequency ratio reactance reading rectifier resistance resistor resonant sensitivity shield short circuit shown in Fig shunt signal slide wire standard cell switch temperature terminals thermal thermocouple tion usually V₁ vacuum tube volt voltage voltmeter volts wave length Wheatstone bridge zero