. The Bell System technical journal . or is coupledtightly to a resonant load. C. Effect of Short Mismatched Lines on Electronic Tuning In the foregoing, the effect of long mismatched lines in producing addi-tional multiplewesonant frequencies and possible modiness in operation has 532 !2 BELL SYSTEM TECHNICAL JOURNAL h«- l=50X ^ G = :. Mr=IOO Ml=i Ms=200 / ■■ / \ b. / \ j / ^ ^ \, \ / y \ . \ / \ \ \V / \ y\ /\ 7^ b\ \ h N L J 1 A 1 \ / \ \ / \ \ y ^ / \ \ V •^ ^ y / \ / \ V y / V ^ 0 CONDUCTANCE, G Fig. 46.—Susceptance vs condu


. The Bell System technical journal . or is coupledtightly to a resonant load. C. Effect of Short Mismatched Lines on Electronic Tuning In the foregoing, the effect of long mismatched lines in producing addi-tional multiplewesonant frequencies and possible modiness in operation has 532 !2 BELL SYSTEM TECHNICAL JOURNAL h«- l=50X ^ G = :. Mr=IOO Ml=i Ms=200 / ■■ / \ b. / \ j / ^ ^ \, \ / y \ . \ / \ \ \V / \ y\ /\ 7^ b\ \ h N L J 1 A 1 \ / \ \ / \ \ y ^ / \ \ V •^ ^ y / \ / \ V y / V ^ 0 CONDUCTANCE, G Fig. 46.—Susceptance vs conductance for the resonators of Fig. 43 coupled by a line50 wave lengths long. been explained. The effect of such multiple resonance on electronic tuninghas been illustrated in Fig. 48. Tf a short mismatched Hne is used as the load for a reflex oscillator, there REFLEX OSCILLA TORS 53^ may be no additional modes, or such modes may be so far removed in fre-quency from the fundamental frequency of the resonator as to be of little. CONDUCTANCE , G• Fig. 47.—Behavior of the intersection between a circuit admittance line with a loopand the negative of the electronic admittance line of a reflex oscillator as the drift angle isvaried (circuit hysteresis).


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1