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Don MacArthur

Don MacArthur, The Practical Engineer, is a Guest Contributor to In Compliance Magazine. He has over 30 years of experience in product development, EMC, testing, and product safety compliance. He has developed products for military, commercial, and industrial applications.
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From This Author

Departments

Selecting the Proper RF Amplifier for the Required Field Strength

More power costs more money when it comes to broadband power amplifiers, so we typically only specify/buy to meet our current needs rather than what we may need in the future.
Chambers

Let’s Talk About Unconventional EMC Chambers

In this article we will address less mainstream, non-typical EMC test chambers that are often used in automotive, military, and other pre-compliance types of test environments.
Departments

Let’s Talk About Why Filters Fail

This article looks at some of the reasons why the filters you may think will work often do not when they’re put into real circuits. So… let’s talk about why filters fail.
Design

Let’s Talk About Flexible Absorber Sheets

Let's talk about flexible absorbing materials used for radio frequency (RF) noise suppression and EMC shielding in electronic products such as cell phones, MP3 players, and rugged handheld devices.
Departments

Let’s Talk About Real-time Spectrum Analyzers

Many real-time spectrum analyzer solution providers provide in-one-instrument add-ons which allow users to perform both the traditional swept-mode measurements in addition to real-time measurements.
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Design

Let’s Talk About Shielding at the PCB Level

This article provides insight into how shielding is used in product development, in particular the effectiveness of shielding when it is applied at the PCB level. 
Departments

Let’s Talk About Selecting Software for EMC Emissions & Immunity Testing

There are many benefits to semi or fully automated electromagnetic compatibility (EMC) emissions and...
Departments

Let’s Talk About Leadership in Compliance Engineering

This article discusses what should and could be done as practicing professional engineers to lead when we’re not the ones in charge.
Departments

Let’s Talk About Obtaining NRTL Approvals More Effectively

The usual experience when working with a NRTL is that projects are, more often than not, late, costs are overrun, and certification reports often inaccurate. This is not always the fault of the NRTL.
Departments

Let’s Talk About Magnetic Field Antennas

Besides using magnetic loop antennas for compliance tests in strict accordance with standards, they can be used for engineering design and pre-compliance work.
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