| 摘要 |
FIELD: physics. ^ SUBSTANCE: modulator includes multiple frequency signal source, uncontrollable section designed as reactive four-terminal element, low-frequency driving signal source, controlled section designed as three-pole controlled element. Reactive four-terminal element represents symmetrical bridge connecting circuit of four reactive two-terminal elements of reactances X1k, X2k, X3k, X4k, made of series loop Ln, Cn, parallel connected to inductance L0n. Herewith aforesaid reactances of two-terminal elements at each of three preset frequencies omegak are chosen through mathematical expressions. ^ EFFECT: provided amplitude and phase manipulation and line signal amplitude amplifying at preset number of fixed frequencies. |
