| 摘要 |
FIELD: radio engineering, communication.SUBSTANCE: device comprises the first input power divider for dividing power into channels, the first and second mixers of the first frequency conversion stage, the first and second intermediate frequency filters of the first frequency conversion stage, the first and second heterodynes, the second and fourth power dividers, as well as the third and fourth mixers of the second frequency conversion stage, the third and fourth intermediate frequency filters of the second frequency conversion stage, the third power divider, wherein the heterodyne frequency of the second conversion stage is doubled, and double frequency conversion is applied only in one channel of the second stage of the receiver.EFFECT: increasing the dynamic range of the receiving device by a value greater than 80 dB.3 dwg |
