Latest threads in Electronics Designshow only best voted threads
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What I learnt this year.
Ferrite cores conduct electricity! Ouch! Not brilliantly, but a measured 10k or so over a cm or so. I've never been much involved in the black arts of coils, but for the past half century I've...
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10 years ago
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PCB Copper Thickness Versus Rth - is this graph correct?
Hi I have a PCB, 50mm x 50mm, and I need to optimize cooling of the PCB. A num ber of dissipating components are spread out on the PCB to produce an unifo rm temperature across the PCB. Currently I am...
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10 years ago
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TRANSFORMER EFFICIENCY
How do you derive the efficiency of a transformer from the first principle of electric circuit.
8
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10 years ago
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Test post
Please ignore
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10 years ago
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HC4046_VCO Now available as LTspice SCHEMATIC (.ASC)
Here is my first pass at the HC4046 (VCO portion only), now in LTspice format... ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete...
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10 years ago
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Hall rotary encoder tempco--wisdom?
Hi, all, I don't have much to contribute to the LCR MOSFET argument except possibly some ethological insight: . But I digress. I'm on a trip to SoCal to debug the pre-production models of my...
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10 years ago
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Sure is a lot of animosity here lately
Ya, I said it. Is it the cold? Is it the economy? Is it just people being... ? Mikek
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10 years ago
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It's amazing...
It's amazing... How many times Larkin accuses others of not being able to calculate results when, IN FACT, it's Larkin (President of Highland Technology Inc jlarkin at highlandtechnology dot com) who...
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10 years ago
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The New Agilent
Blech. http://www.keysight.com/en/
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10 years ago
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Burglars Who Took On F.B.I. Abandon Shadows
Burglars Who Took On F.B.I. Abandon Shadows By MARK MAZZETTI Published: January 7, 2014 PHILADELPHIA ? The perfect crime is far easier to pull off when nobody is watching. So on a night nearly 43...
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10 years ago
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MOSFET SOA
Have manufacturers eliminated DC SOA? Even from old devices? Can the old curves still be trusted, or are all new production actually broken? Example: compare IRF830, ST's '99 datasheet versus current...
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10 years ago
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Re: Switch Power Rating
There is a switch that I am considering using for a new design. From the datasheet I can see that there are several current ratings given. For example, 5A, 7A and 10A. From the datasheet: Power...
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10 years ago
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Actual experiences mod'ing laptop bricks?
Hi, I've got a ~200W laptop brick on which I'd like to tweek the output voltage (~5% -- 19.5V down to 18.5V). Anyone know what sort of margins they design into these? I'm not keen on risking the...
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10 years ago
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Question on switch rating
All, I have a rocker switch that I am looking to purchase. I need all the contacts to be rated for at least 10A and 24 VDC. Now when I look at the datasheet for the part it gives several different cu...
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10 years ago
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HC4046 Modeling
Seems to be a hot day for HC4046 model requests. And sending the model out by E-mail has resulted in mucho bouncing... seems they think it's a security threat >:-} So go to.... This is just the VCO...
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10 years ago
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