| 摘要 |
FIELD: radio engineering; radio communications. ^ SUBSTANCE: proposed short-wave radio transmitting device designed for operation into mismatched load has exciter 1, adjustable stage 3 and output stage 6, power supply in the form of pulsed power module 5 having drooping characteristic that provides for constant power supply to load and maintains field voltage across stage at level ensuring its operation under critical (optimal) conditions, pulse-width controller 4, and reference-voltage supply 12, as well as differential amplifiers 9, 13, multipliers 8, 11, output-signal peak value sensor 2, input-stage input-current sensor 10, and output-stage peak voltage sensor 7. ^ EFFECT: enhanced output power and commercial efficiency. ^ 1 cl, 1 dwg |
