Low EMI Isolation for Medical Equipment Applications
Learn how to minimize the effects of EMI in medical electronic applications using digital isolation.
Electromagnetic interference (EMI) can cause medical devices to malfunction with potentially catastrophic results:
- Errant signals induced by EMI could cause portable life support systems to malfunction
- Corrupt measurements in patient monitoring equipment could change patient intravenous medicine dosage levels
EMI is especially problematic in medical systems that acquire low-amplitude signals, such as electrocardiographs (ECGs), where signals collected from patients can range from 400 μV to 5 mVpk with 3 dB corner frequencies at 0.05 and 100 Hz. And the trend towards higher-frequency, lower-power medical systems complicate EMI management by emitting broader bandwidth RF noise at higher energy levels.
Find out what you need to know about EMI and how to minimize the effects of EMI in medical electronic applications using digital isolation.
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