Many electronic components used in highly technological devices can be damaged or degraded by sudden electrostatic discharges, known by the term Electrostatic Discharge (ESD). Components such as transistors, diodes, laser diodes, electro-optical devices, and a variety of integrated circuits are […]
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Introduction Rapid technology advances in the wireless communications world makes test and evaluation of Radio Frequency (RF) devices a difficult subject. It seems that by the time a new device hits the market, it has been made obsolete by the next generation. I recall […]
The post Review of MIL-STD 461 CS103 Intermodulation, CS104 Rejection of Undesired Signals and CS105 Cross-Modulation appeared first on Interference Technology.
Introduction I realized earlier that my reviews have covered most of the MIL-STD-461 test methods in the past year, so I decided to prepare this to capture those items that have been omitted in prior articles. Since this is a series […]
The post Review of MIL-STD-461 CS115 Impulse Excitation; CS109 Structure Current; RS105 Transient Electromagnetic Field appeared first on Interference Technology.
Abstract The article discusses the differences between the electromagnetic pulses at lightning (LEMP) and at high altitude nuclear explosion (NEMP or HEMP). The article also shows that these differences do not allow to transfer LEMP experience on to NEMP. The […]
The post Is the Electric Equipment Grounding the Basic Protection Means Against Hemp? appeared first on Interference Technology.
Introduction Technology frequently embeds transmitters in a myriad of devices to support an Internet Of Things (IoT) concept from identification to condition-based actions, and this IoT approach includes defense operations. Devices may include multiple transmitters that a few years ago […]
The post Review of MIL-STD-461 RE103 Antenna Spurious and Harmonic Outputs appeared first on Interference Technology.
Introduction In this article, I am delving into the evolvement of CS116 testing, the background, the purpose and how the testing is approached today. The test title is, “Conducted susceptibility, damped sinusoidal transients, cables and power leads”. MIL-STD-461 assigns applicability […]
The post Review of MIL-STD-461 CS116 Damped Sinusoidal Transients, Cables and Power Leads appeared first on Interference Technology.
Can you imagine a world without electronic devices? AR asks and answers this question in its new blog series: “Specifying RF/Microwave Power Amplifiers for EMC Testing.” Explosive growth in technologies like portable electronics, Internet-of-Things devices, and autonomous vehicles has led […]
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It is fairly common to find multiple onboard DC-DC converters on today’s portable, mobile, and IoT devices. If the device uses wireless, GPS, or cellular technologies, the EMI from these converters (which generally use switching frequencies between 1 and 3 […]
The post Ten Tips to Minimize EMI from On-Board DC-DC Converters appeared first on Interference Technology.
Today, Suspect Counterfeit ESD Control and Non-Compliant Packaging is a growing issue throughout the Global Supply Chain. EEE parts (ESD sensitive devices) damage transcends circuit cards, touch screen displays, handheld devices and other microprocessor driven products. Suspect counterfeit static control […]
The post Risk Mitigation: Advanced ESD Instrumentation for Qualification Testing of Static Shielding Bags appeared first on Interference Technology.
This is post 2 of AR’s blog series “Specifying RF/Microwave Power Amplifiers for EMC Testing.” The full series can be viewed here. INTRODUCTION How much input power is required to achieve full rated output power is a common concern when […]
The post Specifying RF/Microwave Power Amplifiers for EMC Testing – Amplifier Input & Output Requirements appeared first on Interference Technology.
Wireless/RF is ubiquitous, so implement a pre-compliance regimen with off-the-shelf equipment. Every electronic product has to go through full electromagnetic compatibility (EMC) testing to get the much-coveted stamp of approval from the various regulatory bodies. This has traditionally been a […]
The post Cost-Effectively Ensure Electromagnetic Compatibility in the Age of IoT appeared first on Interference Technology.
INTRODUCTION EMC design guidelines have always been a popular subject in the EMC design community. What is the most important EMC design guideline, i.e. the guideline with the highest impact on the emission and immunity of electronic circuitry? Studying books […]
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This is post 3 of AR’s blog series “Specifying RF/Microwave Power Amplifiers for EMC Testing.” The full series can be viewed here. SYSTEMS The ability to pull together the right amplifiers for the job, with training and ongoing support is […]
The post Specifying RF/Microwave Power Amplifiers for EMC Testing – HIRF & High Frequency Field Generating Systems appeared first on Interference Technology.
INTRODUCTION One of the roles of the practicing EMC engineer or product designer is to be able to design filters to add to circuits in order to get them to pass various EMC immunity and emissions standards such as IEC […]
The post Basics of Passive Filters for EMC Compliance appeared first on Interference Technology.
Good morning. My name is Graham Kilshaw and it is my honor to offer this eulogy in honor of my father in law – Bob Goldblum. It was only 35 degrees outside when Bob was born, December 18, 1935 in […]
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This is post 4 of AR’s blog series “Specifying RF/Microwave Power Amplifiers for EMC Testing.” The full series can be viewed here. EMBEDDED AMPLIFIER CONTROL For years, amplifier control has been limited to manual operation and remote control through a […]
The post Specifying RF/Microwave Power Amplifiers for EMC Testing – Amplifier Control appeared first on Interference Technology.
Introduction Recently I noted that my series on MIL-STD-461 test methods was closing since I had accomplished a review on each of the test methods. It seems appropriate to continue with a review of General Requirements – those things common […]
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In a few weeks, we will be able to enjoy the 2019 IEEE International Symposium on EMC, Signal and Power Integrity (EMC+SIPI). I am so excited! This symposium is sponsored by the IEEE EMC Society (EMC-S), the world’s largest organization […]
The post Do Not Miss the EMC + SIPI 2019 Symposium! appeared first on Interference Technology.
This is the final installment of AR’s blog series “Specifying RF/Microwave Power Amplifiers for EMC Testing.” The full series can be viewed here. TRANSISTOR The transistors used in the amplifier are a main component of the amplifier and can provide […]
The post Specifying RF/Microwave Power Amplifiers for EMC Testing – Final Factors to Consider appeared first on Interference Technology.
Introduction My reviews have covered MIL-STD-461 over the past few months so it’s time to step up to the system requirements. We realize that the MIL-STD-461 requirements apply to equipment items and subsystems as stated in MIL-STD-464. Revision “C” is […]
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