FIELD: physics.
SUBSTANCE: radio frequency harmonic signal is sent to modulator input, modulator is made of reactive quadripole, bipolar controlled element connected to source of low-frequency control signal, quadripole is made of dipoles, at that bipolar controlled element is connected between signal source and quadripole input into transverse circuit, load with complex resistance is connected to quadripole output for line modulated radio frequency signals, resistance of signal source is selected as complex, number of dipoles is selected as at least three, values of reactive element parameters that shape quadripole dipoles are selected so that preset value of phases φ1,2 of transfer coefficients are provided in the first and second conditions, as well as preset values of modules m1, m2 of transfer ratio in the first and second conditions of controlled element, and also provided that value of actual component of load conductivity is determined, when physical performability of quadripole is provided, at that specified conditions are realised by preset mathematical expressions. Device for modulation of amplitude and phase of radio frequency signals is designed for realisation of above described method.
EFFECT: provision of line signal amplitude and phase manipulation in two conditions of controlled element at controlled module and phase of transfer ratio in every condition.
2 cl, 3 dwg
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Authors
Dates
2009-04-27—Published
2008-03-05—Filed