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Insertion-Loss-and-F Ilter-Performance-1.pdf

Insertion-Loss-and-Filter-Performance-1.pdf

Preview of Insertion-Loss-and-F ilter-Performance-1

🔗 Source: emccompliance.co.uk

📊 Size: 540 KB

👤 Author: Min Zhang

⬇️ Downloads: 442

Summary

Filters are a crucial part of electronics design, and their performance is measured in terms of attenuation or insertion loss, typically in units of dB. The CISPR 17 standard defines technical terms and measurement methods for filter insertion loss, including symmetrical and asymmetrical tests. A filter's insertion loss is calculated as 20log(V20/V2), where V20 is the voltage over the load before the filter is inserted, and V2 is the voltage after the filter is inserted. A practical example using a Schaffner FN 670-3Amp filter demonstrates the measurement and simulation of insertion loss, with a SPICE-based simulation model showing a high level of matching with datasheet measurement results. However, limitations of the simulation model include the inability to fully model magnetic characteristics, resulting in potential overprediction of filter performance.

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Description

Filters are a crucial part of electronics design, and their performance is measured in terms of attenuation or insertion loss, typically in units of dB.

Technical Information

File Format: PDF
File Size: 540 KB
Pages: 5
Language: EN
Author: Min Zhang
Total Downloads: 442
Last Updated: 4 hours ago

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