Unified concepts of electronics

Unified concepts of electronics

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The indirectly-heated emitter employs an emitting cathode and a heater element. Thermal energy is conducted from the ... heated electron emitter, and the symbol used to denote it in schematic diagrams. Filaments are fabricated from tungstenanbsp;...

Title:Unified concepts of electronics
Author:Clyde N. Herrick
Publisher:Prentice Hall - 1970


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