CST – Computer Simulation Technology

Simulation of RF Interference in Electronics

 

Connected electronic devices like tablets, laptops, smartphones and the diverse ecosystem of IOT products typically implement multiple RF systems. For example, a smartphone nowadays will offer connectivity for WiFi at 2.4 and 5 GHz, Bluetooth, GPS, GSM, NFC and multiple LTE Bands that need to coexist on a platform with a small form factor. Furthermore, the current generation of data buses like USB 3.0 and DDR4 run at high clock speeds with harmonics spreading well into the RF frequencies. This poses a significant challenge to the designers of such devices as the tight integration can lead to interference between these systems. Such RF interference results in performance degradation of these systems and is not acceptable.

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