[PSES] Neat portable RF generator

Hi All, I recently published a review of a cute self-contained portable touchscreen-controlled RF synthesizer/generator that can tune from 35 to 4400 MHz. See the review here: http://www.edn.com/electronics-blogs/the-emc-blog/4439296/Review--The-Red-Oak-Canyon--RF-Pro-Touch--RF-generator

[PSES] Review of Vectawave 3-watt broadband RF amplifier

I recently published a review of the Vectawave VBM2500-3 three-watt broadband RF amplifier. I found it quite useful in producing 20 to 50 V/m E-field levels. See the article here: http://www.edn.com/electronics-blogs/the-emc-blog/4439251/Review--The-Vectawave-VBM2500-3-RF-amplifier

[PSES] Branch and Supplementary Overload Protection

I have been looking at overload protection requirements for machinery, and I am a little unsure about application of branch protection versus supplementary protection. For example, suppose a machine is powered from AC mains (single phase or 3-phase, I don't think it matters). The power entry

Re: [PSES] Branch and Supplementary Overload Protection

Hi Jim, My comments below are focused on the USA. Will the machine be NRTL Listed as a whole? If not, then branch circuit rated devices will be required in the end installation. If so, then it will be the judgment of the NRTL that does the Listing evaluation. I would expect that they may require