INTERCHANNEL INTERFERENCE DUE TO KLYSTRON PULLING 651 



When 0- and T are such that 6 » 1 , the approximation 



I{h, a) ^ {<OTr/hy'- exp 



, 3a" 

 ''-2b 



leads to 



Ps 



O \ 1/2 2 



.) \ r 



M' 



(t'T 



exp 



2\27r<xTj _ 



Equation (17), when converted to decibels, breaks down conveniently 

 I into two terms which may be designated Di and Dz : 



10 log Pi/Ps = D,-\- D2 



A = 10 log (r/af 



D2 = 10 log ^ e'\l{h, a) - Ii-h,a) cos 2pT] 



(19) 



-2 

 -4 



-6 

 -8 



-10 

 -12 



-28 



-30 



0.04 0.06 0.08 0.1 



0.2 



0.3 0.4 0.5 0.6 0.8 1.0 



Fig. 1 — Plot of I>2 as a function of aT 



