. The Bell System technical journal . e case of the conductance. The ordinates of these curvesgive the frequency shift as a function of the case 1 we have Be = —ye T/ ^^ ^^ (.^-l^) C2 y and case 2 „/ /2/i(C2F) . /o lr»\ Be = ye „ sm Adt . () C2 V The total susceptance will be the sum of the susceptance appearing acrossthe gap as a result of the drift in the repeller space and the susceptancewhich appears across the gap as a result of the cascaded drift action in therepeller region and the cathode region. If sin Adt and sin Ad varied inthe same way with the repeller voltage, th


. The Bell System technical journal . e case of the conductance. The ordinates of these curvesgive the frequency shift as a function of the case 1 we have Be = —ye T/ ^^ ^^ (.^-l^) C2 y and case 2 „/ /2/i(C2F) . /o lr»\ Be = ye „ sm Adt . () C2 V The total susceptance will be the sum of the susceptance appearing acrossthe gap as a result of the drift in the repeller space and the susceptancewhich appears across the gap as a result of the cascaded drift action in therepeller region and the cathode region. If sin Adt and sin Ad varied inthe same way with the repeller voltage, the total susceptance would expand REFLEX OSCILLATORS 509 or contract without change in form as the repeller voltage was varied. InFigs. 30 and 31a family of susceptance curves are shown correspondingrespectively to cases 1 and 2 above for various values of A0( , assumingthat Ml and A0 vary in the same way with the repeller voltage. As the (J1 (a) ),= o^-;::;:=:- ^r:;::::;-^^^ V 57^ --^^ ___—■— ^ ^\r ^^^ V5 V4 V3V2V,. AMPLITUDE OF OSCILLATION, V Fig. —a. Theoretical variation of electronic conductance vs amplitude of oscillationin the case in which two components are in phase opposition. The parameter is the re-peller transit phase. It is assumed that the two contributions have the same variationwith this phase. h. Susceptance component of electronic admittance as a function of amplitude for thecase of phase opposition given in Fig. 30a. The parameter is the repeller phase. Thedashed line shows the variation of amplitude with the susceptance shift. repeller voltage is varied the amplitude of oscillation will be determinedby the conductance Umiting function. In the case of the susceptance wecannot determine the frequency from the intersection of the curve with aload line. The frequency of oscillation will be determined by the driftangle and the amplitude of oscillation. The amplitude variation with 510 BELL SYSTEM TECHNICAL JOURNAL angle may be obtained fr


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