Latest threads in Electronics Designshow only best voted threads
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Troubleshooting differential amplifier fault. Advice needed.
I have a device which I'm about to open up and troubleshoot. It's a Hall Effect sensor powered from a +15V/-15V supply. The Hall voltage is sensed by a differential amplifier input. The differential...
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9 years ago
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Humor-Conference on aging.
A lot of truth in the fun. Mikek --- This email is free from viruses and malware because avast! Antivirus protection is active.
26
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9 years ago
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26 | |
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MOSFET hfe Beta current gain.
Attached MOSFET device with a nice hfe of 95, who knew? Enjoy, Harry
6
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9 years ago
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Packaging -- Rubber Baby Buggy Bumpers
I have a client for whom I'd designing a bit of kit that will go into a custom enclosure. Two bits of kit, actually. They'll be thin (25mm), and about 150mm tall. One will be about 600mm long, the...
37
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9 years ago
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37 | |
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looking for instrument that can do 2 channel phase comparison
I need to compare the phase difference of two signals at 1ghz. The signal s are pulsed at 500 ns width. The two signals come from the same base freq uency device so they are coherent but at an unknown...
25
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9 years ago
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25 | |
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Axial fan -- sleeve or ball bearing
I was looking at 120mm fans (115vac) on Newark and noticed most of the lower noise figure fans were sleeve rather than ball bearing -- is this typical? or am I just seeing things? I would have thought...
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9 years ago
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Coil Circuit
Hi, I am trying to make a wireless battery Charger. I made a coil ( primary coi l) with following Specs 1. Number of turns :25 2. Wire Guage: 24AWG 3. Inductance : 426uH I added a series Capacitor...
10
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9 years ago
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Source for graphic display
Looking for LCD graphic display approximately 6 inches by 1.5 inches (150 mm by 30 mm). High-resolution not required; I'm apparently limited by my size requirements. I don't see anything more than...
17
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9 years ago
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17 | |
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Just for fun, Satellite watching
Hi all, I occasionally visit the local marina in the evening and watch a satellite pass over, usually people there and I tell them what's going to happen, they seen to get a kick out of it. Tuesday...
32
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9 years ago
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32 | |
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OT chaos
Horns are blowing, people are screaming, illegal fireworks are being discharged. Something must have happened. -- John Larkin Highland Technology, Inc jlarkin att highlandtechnology dott com
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9 years ago
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Is eternal-september working?
I can't seem to access newsgroups through eternal-september. Their web site is working and reports that their servers are up. I get an NNTP error with Thunderbird. Is it eternal-september or maybe my...
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9 years ago
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OT, plea for money, but worthwhile IMHO
If you want to be part of something high (as opposed to big): -- Tim Wescott Wescott Design Services
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9 years ago
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Surface-mount package cross reference
As near as I can tell, a TO-236-3, SC-59, SOT-23, and SOT-23-3 are all the same package. Ditto TO-243AA and SOT-89-3 Et cetera, for other package designators -- there seem to be so many standard names...
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9 years ago
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Lorenz Field Coil Array - Opinions?
A friend of mine sent this picture of strangely series-connected coils that he is claiming unusual effects from. The verrtical coils are wound on steel cores. It looks like two layers starting and...
15
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9 years ago
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Can the wave function of an electron be divided and trapped (article)
Hi, This article seems pretty intriguing, as an explanation for a phenomenon that occurs when electrons are shot into liquid helium. The electrons apparently "break up" into smaller size "things" and...
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9 years ago
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