Principles of Electricity and Electromagnetism |
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Page 262
... anode current . However , the potential of the grid may control very accurately the anode potential at which the tube breaks down . Such 60 deg . C. 40 deg.C. 30 deg.C. 1,000 900 800 700 600 : \ Vsg = -1 500 400 FG - 57 ( temperature ...
... anode current . However , the potential of the grid may control very accurately the anode potential at which the tube breaks down . Such 60 deg . C. 40 deg.C. 30 deg.C. 1,000 900 800 700 600 : \ Vsg = -1 500 400 FG - 57 ( temperature ...
Page 263
... anode current to its rated value after breakdown occurs . Once the tube breaks down , the grid loses control and the anode potential must drop below the value necessary to maintain the discharge before control is again achieved . Hence ...
... anode current to its rated value after breakdown occurs . Once the tube breaks down , the grid loses control and the anode potential must drop below the value necessary to maintain the discharge before control is again achieved . Hence ...
Page 264
... anode current as a function of the amplitude of the grid - potential wave at 180 ° phase difference ( grid negative when anode is positive ) . Owing to the shape of the breakdown curve the current cannot be reduced con- tinuously to ...
... anode current as a function of the amplitude of the grid - potential wave at 180 ° phase difference ( grid negative when anode is positive ) . Owing to the shape of the breakdown curve the current cannot be reduced con- tinuously to ...
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alternating current alternating-current ampere amplifier amplitude angle angular anode antenna applied approximately armature assumed atom axis calculated capacity cathode cell characteristic charge circuit coefficient coil component condenser conducting conductor considered constant curl current flowing curve deflection density determined dielectric dielectric constant direct-current direction discharge effective electric field electromagnetic electromotive force electrons electrostatic element energy equal equation flux force frequency function galvanometer grad grid hence impedance induction integral ions known Laplace's equation length linear load magnetic field magnetic moment magnitude maximum measured metal meter negative obtained ohms oscillations output parallel phase plate positive potential difference potential wave potentiometer produced proportional quantities R₁ radiation radius ratio reactance region represents resistance resonant rotation shown in Fig solenoid solution surface temperature terminals theorem torque tube unit V₁ vector velocity voltage volts wire written zero