CISPR 25 Limits for Protection of On-Board Receivers- 3CTEST

CISPR 25 Standard Introduction

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CISPR 25 specifies the radio disturbance limits and the measurement methods that protect on-board receivers in vehicles, boats and machines driven by internal combustion engines. It differs from a general emission standard in its purpose: the limits are set not to protect broadcast reception at a distance but to keep the disturbance inside the vehicle low enough that a radio, a navigation receiver or a mobile telephone used inside the vehicle continues to work. Because the receiver and the disturbing source are only a short distance apart, the limits are considerably stricter than comparable domestic requirements. The standard defines the measurement of conducted disturbance on the supply lines and the measurement of radiated disturbance, and it applies both to the complete vehicle and to individual components and modules. It specifies the frequency ranges, the antenna and probe arrangements, the grounding and the load simulation that must be used, so that a component measured on a test bench produces results that predict its behaviour in the vehicle.

CISPR 25 standard satisfiable test: Conducted Emission Testing 、 Electric Field Immunity Testing 、 EV Transient Immunity Testing 。

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