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EMI and EMC Compliance Test Guides

Welcome to the A.H. Systems EMC Test Guides resource center, your comprehensive library for professional electromagnetic compatibility and interference testing procedures. Designed to support both novice and experienced compliance engineers, our collection of technical guides provides step-by-step instructions for critical measurement tasks, including radiated emissions, shielding effectiveness, and bulk current injection (BCI) testing. With over 50 years of industry-leading expertise in manufacturing EMI test equipment, A.H. Systems is committed to helping you achieve accurate, repeatable results while meeting rigorous global standards such as CISPR, MIL-STD, and FCC. Explore our technical resources below to streamline your test setups and optimize your measurement accuracy.

Shielding Effectiveness Test Guide

Just as interference testing requires RF enclosures, isolation systems in turn need their own testing. This document reviews some of the issues and considerations in testing RF enclosures.

Radiated Emissions Measurement Test Guide

This is a brief overview on how to perform a standard Radiated Emissions Measurement test. It includes how to set up, take measurements and calculate results.

A Basic Bulk Current Injection Test Method

Here is an example of bulk current injection (BCI) test. Bulk current injection testing is to confirm that RF signals, when coupled onto interconnecting cables and/or power supply lines, will not cause degradation of performance or deviation from specifications of the equipment under test.

Power Amplifier and Test Systems Check

This test procedure describes how the small signal performance data of an amplifier is gathered and checked against previously recorded data. This is a fault finding step that establishes the health of the preamplifier.

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