Multi-channel receiving microwave circuit with noise automatic gain control signals radar UAV

摘要

The invention relates to radio engineering, in particular to receivers - transmitters and microwave signals can be used for equipment receiving channel microwave signals in communication systems and navigation of airborne radar (RLS) unmanned aerial vehicle (UAV).;Summary of the utility model is that the multi-channel receiving microwave tract with noise automatic gain control signals UAV radar, comprising management and control unit (CCU) with control outputs signals, a power divider (MM) and at least first, second and third receiving channels (PC) each of which comprises a first low noise amplifier (LNA), mixer signal frequency, the first, second and third bandpass filter (PPF), first, second, third and fourth signal amplifiers (FF), amplifier prom diate frequency, a first controlled attenuator (MA) and the first switch (CT) administered into the synthesizer microwave signals, the local oscillator signal amplifier, a bandpass filter clock generator and the analog-digital converter, in addition, each PC is additionally provided with a second LNA;The technical result is to increase the target detection range, resolution and sensitivity.