FIELD: radio electronics; power supplies for high-frequency lighting engineering and nonlinear optics.;SUBSTANCE: proposed multifrequency self-excited generator has distributed-gain amplifier incorporating controlled power supplies whose inputs are connected to outputs of network line assembled of a number of series-connected sections of low-pass filters; anode line formed by low-pass filter sections; two ballast loads; feedback four-terminal network set up of series-connected low-pass filter sections; DC power supply inserted between input and output of anode line; and gas-discharge tube that functions as cylindrical former for inductive members of anode-line low-pass filter sections at the same time constituting gas-filled interelectrode space of its capacitive components.;EFFECT: enhanced spectral life without increasing quantity of low-pass filter sections.;1 cl, 2 dwg
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