RADIO TRANSMITTER WITH PULSE-WIDTH MODULATOR Russian patent published in 1994 - IPC

FIELD: radio engineering. SUBSTANCE: radio transmitter with pulse-width modulator has pulse former 1 modulator tube 2, diode 3, first, second and third rectifiers 4, 8, 12, first and second network transformers 5, 9, tube final radio frequency stage 6, low frequency filter 7, converter 10 of constant voltage to variable voltage of rectangular shape, pulse transformer 11, load 13, adder 14, positive bias source 15 and A. C. network 16. EFFECT: reduced nonlinear distortions of output signals. 2 dwg