FIELD: physics.
SUBSTANCE: invention relates to input linear modules (ILM) of microwave frequency receiving devices. For this purpose, the UHF broadband microwave receiving device with an extended dynamic range comprises a power and control board and a microwave portion comprising 1x2 microwave switch, to input of which input microwave signal is supplied, first amplifying cascade, which input is connected to second output of microwave switch 1x2, microwave switch 2x1, first input of which is connected to output of first amplifier stage, wherein first output of microwave switch 1x2 is directly connected to second input of microwave switch 2x1, and output of microwave switch 2x1 is connected to input of second amplifier stage by means of controlled microwave attenuator, wherein the input of the controlled microwave attenuator is connected to the output of microwave switch 2x1, and the output of the controlled microwave attenuator is connected to the input of the second amplification stage.
EFFECT: technical result is development of ILM of broadband microwave receiving device with extended dynamic range, having possibility of smooth adjustment of signal attenuation in wide frequency range.
3 cl, 2 dwg
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