The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 321
l become evident from considera-tions in the next section. 93. Efficiency.—The efficiency of the oscillator can be ex-pressed by the ratio of the power supplied to the oscillation circuitto the power drawn from the source of plate voltage (battery,generator, etc.). Strictly speaking, the overall… … Externoil Resist-onceFig. 173. the power drawn from the source of plate voltage Eb, part is dissi-pated at the plate and serves no useful purpose. This we shallrefer to as Pp. The remainder, Po, of the power drawn from theplate battery, is delivered to the oscillation circuit. If we neglectthe…
Telegraph, Wireless
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