Automating the Screening of Microphonic Defects in Automotive Radio Receivers
As a vehicle travels over uneven roads with many potholes, bumps, etc., its chassis couples mechanical shocks to the dashmounted radio receiver. Due to the phenomenon of microphonic, this mechanical energy is translated into electrical noise within the radio. The end result is a jarring noise affecting the listener’s enjoyment of the radio program. A microphonic-prone radio can affect the customer’s perception of the product quality, so manufacturers actively seek to eliminate radios with the worst manifestation of this defect during production testing.
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