FIELD: radio engineering.
SUBSTANCE: transmission path of the HF band with an antenna matching device of the HF band. The transmission path of the HF band with an antenna matching device additionally contains a second operating frequency generator, the fourth and fifth high frequency switching nodes, a computer and two loads equivalent to the antenna impedance in the HF band.
EFFECT: increasing the speed of operation of the HF band transmission path by reducing the total tuning time of the antenna matching device by pre-tuning it to the next operating frequency at a load equivalent to the resistance of the applied antenna in the HF band.
1 cl, 1 dwg, 1 tbl
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