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Review of MIL-STD 704 Requirements

 

Introduction This article discusses the power quality test and evaluation with a review of MIL-STD-704 and the relationship with electromagnetic compatibility (EMC). MIL-STD-704 deals with aircraft electric power characteristics, and provides the standard to ensure compatibility between the aircraft power system (including external power) and the utilization … [Read more...]

Review of MIL-STD-464 Requirements

 

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 the current edition, but a review is a little overdue. In this review, the discussion will focus on the various requirements … [Read more...]

Heiland Electronics Announces Tech Expo in Salt Lake City

 

The Heilind Tech Expo will feature products from over 25 manufacturers in the electronics industry Heilind Electronics, a leading global distributor of electronic components, will host its next Tech Expo event in Salt Lake City, Utah on June 20. Attendees will have a chance to interact directly with personnel from over 25 leading manufacturers in the electronic components … [Read more...]

Review of MIL-STD-461 CS116 Damped Sinusoidal Transients, Cables and Power Leads

 

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 to a broad variety of applications and states the purpose is to verify the ability of the … [Read more...]

Review of MIL-STD-461 RE103 Antenna Spurious and Harmonic Outputs

 

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 did not include communications of any sort. Inclusion of RF transmitters has prompted a … [Read more...]

Verotec KM6-HD rugged subrack conforms to MIL STD 167

 

Designed for use in rail, military, aerospace and other harsh operating environments where electronic equipment will be subject to shock and vibration during use, the ruggedized KM6-HD subrack system, designed to meet MIL-STD-167, the US Department of Defense Test Method Standard, is the latest development of the versatile KM6 subrack family from Verotec. Available as … [Read more...]

Be Careful with Low Cost/Quality Common Mode Chokes ….

 

Dear readers, I have been really busy working in training and EMI troubleshooting in the past months. I am happy to be here again with a new post. This month we will see a topic from a real-world situation - very interesting - for electronic designers working in conducted emissions problems. In one of the projects I was involved with several weeks ago, a product was … [Read more...]

Review of MIL-STD-461 CS103 Intermodulation, CS104 Rejection of Undesired Signals and CS105 Cross-Modulation

 

Introduction  Rapid technology advances in the wireless communications world make 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 hearing from a major electronics manufacturer CEO that 90% of sales happen within 90-days of market release … [Read more...]

Electrostatic Discharge (ESD) in Electro-Optic Devices

 

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 all sensitive to electrostatic discharge. Many manufacturers are increasingly … [Read more...]

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