Anti-jamming System of Wideband Spaceborne Receiver
A spaceborne receiver, broadband technology, applied in transmission systems, electrical components, etc., can solve the problem of weak anti-interference ability of broadband receivers, and achieve the effect of reducing the type and number of backups, improving implementation, and improving circuit stability.
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[0017] refer to figure 1 . In the embodiment described below, an anti-jamming system for a broadband spaceborne receiver includes: a radio frequency frequency selection circuit, an intermediate frequency frequency selection circuit, a low intermediate frequency circuit including two intermediate frequency circuits and three intermediate frequency circuits, and a broadband local oscillator circuit. The RF frequency selection circuit is connected in series with the intermediate frequency frequency selection circuit through the first stage mixer, the intermediate frequency frequency selection circuit is connected in series with the second intermediate frequency circuit through the second stage mixer, and the second intermediate frequency circuit is connected in series with the intermediate frequency amplification filter through the third stage mixer components. The receiver adopts triple frequency mixing method to improve the anti-interference ability, and the radio frequency ci...
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