ANALOG SIGNAL PROCESSING CIRCUIT, AND DISTANCE AND STRENGTH MEASUREMENT SYSTEM USING THE SAME

摘要

PROBLEM TO BE SOLVED: To obtain an analog signal processing circuit for detecting a plurality of peaks in reflected or scattered signals and speedily obtaining distance information and strength information on the plurality of peaks in a signal processing circuit of a radar system using transmission waves.

SOLUTION: The analog signal processing circuit includes: a peak detecting and holding unit 100 for output of a trigger when detecting a peak of amplitude of an input signal and for output of a peak value; an analog signal generation unit 19 for output of an analog signal indicating lapse time from the time when an external input signal is input to a terminal 1 to the time when the trigger is output; a hold unit 101 holding a plurality of outputs from the peak detecting and holding unit 100 and the analog signal generation unit 19; and a control unit 18 controlling switching of an output route of the trigger output from the peak detecting and holding unit 100.

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