. The Bell System technical journal . V -^ / •r=^^-< — \ / X\ B^X. -4 ■—V— j So / cv\ \ X ^ / 0 X (y)- d -8 / 1 / -12 ^ 2IT an 4TT TRANSIT ANGLE (9) Fig. 1—The energy transfer between an initially uniform electron stream and a longitudi-nal electromagnetic field as a function of transit angle. regions indicated. We will assume for the moment that the electrons enterthis region with a small variation in velocity and at a perfectly uniform the total number of electrons entering the region must be equal to thenumber of electrons leaving the region we may write or ii dti ti iodtodh E
. The Bell System technical journal . V -^ / •r=^^-< — \ / X\ B^X. -4 ■—V— j So / cv\ \ X ^ / 0 X (y)- d -8 / 1 / -12 ^ 2IT an 4TT TRANSIT ANGLE (9) Fig. 1—The energy transfer between an initially uniform electron stream and a longitudi-nal electromagnetic field as a function of transit angle. regions indicated. We will assume for the moment that the electrons enterthis region with a small variation in velocity and at a perfectly uniform the total number of electrons entering the region must be equal to thenumber of electrons leaving the region we may write or ii dti ti iodtodh ELECTRON BALLISTICS IN HIGH-FREQUENCY FIELDS 335 1,0 ^ \ \ SIN e/2^ e/2 \ ^ \ \ / X ^^ 10 14 e IN RADIANS Fig. 2—The (velocity) modulation coefficient between an initially uniform electron streamand a uniform electromagnetic field as a function of transit angle. HEIL & HEIL 1935 vo^ CATHODE 3 -■■ •^^~ CONVERSIONREGION T ^ COLLECTOR HAHN & METCALF 1939 CONVERSIONREGION 1^ Jip iiT CATHODE. COLLECTOR VARIAN & VARIAN 1939 CONVERSIONREGION CATHODE COLLECTOR
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
