Radar Detector

A simple detector of radar signals uses the junctions of the input transistors of an LM1458 op amp as RF detectors. The lead
Radar Detector - schematic

s of CI act as an antenna and should be about 0.4" long measured from the IC package. Detected audio components are further amplified by IC1A and IC1B, and drive a piezo transducer. Mount the circuit so that incident RF energy will not be blocked.

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