means of imparting kinetic energy to the electrons by means of heat transfer is called thermionic emission. The most commonly used ... Here current is applied to a separate heating element, located in a cylindrical sleeve which acts as a cathode emitter. The cathode is heated ... Figure 2-1 (a) Directly heated filament and schematic symbol: (b) indirectly heated cathodes and schematic symbol. Figure 2-11anbsp;...
|Title||:||Applied Clinical Engineering|
|Author||:||Barry N. Feinberg|
|Publisher||:||Prentice Hall - 1986|