TLD-list.com down?

Started by Ricketty C in sci.electronics.design4 months ago 2 replies

tld-list.com seems to have been down for a couple of days now. This is the only site I've found that offers honest and unbiased reporting of...

tld-list.com seems to have been down for a couple of days now. This is the only site I've found that offers honest and unbiased reporting of domain registration prices. Anyone know anything about them? -- Rick C. - Get 1,000 miles of free Supercharging - Tesla referral code - https://ts.la/richard11209


Protected MOSFETs

Started by Phil Hobbs in sci.electronics.design4 months ago 6 replies

JL posted a couple of circuit suggestions in the "slow fade-in circuit" thread that used protected MOSFETs. (*) We've had a few discussions...

JL posted a couple of circuit suggestions in the "slow fade-in circuit" thread that used protected MOSFETs. (*) We've had a few discussions about those gizmos in this very boutique. I've actually never used one, but IIRC the wisdom has been that they're not nearly as robust as their makers claim. It's been awhile, though--anybody have recent experience with them, favourite parts and...


pretty OT: boats

Started by John Larkin in sci.electronics.design4 months ago 102 replies

Up here in the country, I see a lot of motor boats parked in driveways. I suspect that most are seldom or never used. I got curious about...

Up here in the country, I see a lot of motor boats parked in driveways. I suspect that most are seldom or never used. I got curious about cost. Seems like a dinky outboard motor costs $1000, and some are $8K or $25K or even $45K. And a serious speed freak will hang three on the stern. I can envision some domestic discord. -- John Larkin Highland Technology, Inc trk ...


OT: Corona virus restrictions reduce death rate in Australian state of NSW

Started by Bill Sloman in sci.electronics.design4 months ago 41 replies

https://www.smh.com.au/national/nsw/covid-19-restrictions-cause-decline-in-deaths-in-nsw-20200917-p55wne.html "n June 2019 there were close to...

https://www.smh.com.au/national/nsw/covid-19-restrictions-cause-decline-in-deaths-in-nsw-20200917-p55wne.html "n June 2019 there were close to 5000 deaths registered. By June, 2020 registered deaths were closer to 4200. Mortality rates for some of the biggest killers – heart attacks, stroke, and cancer – were similar to previous years, but deaths from any kind of


Type 43 material for common-mode choke

Started by bitrex in sci.electronics.design4 months ago 23 replies

The article here says type 43 NiZn ferrite's resistive impedance exceeds it's reactance at about 2MHz but I think that's a misprint,...

The article here says type 43 NiZn ferrite's resistive impedance exceeds it's reactance at about 2MHz but I think that's a misprint, looks more like 15MHz: The data-sheet is here


OT California is already the Green New Deal consequences

Started by Flyguy in sci.electronics.design4 months ago 22 replies

California has been shutting down fossil fuel and nuclear power plants for years, making up for the difference by purchasing power from...

California has been shutting down fossil fuel and nuclear power plants for years, making up for the difference by purchasing power from neighboring states. But the current heatwave in the West has dried up (pardon the pun) this Band-Aid solution, and the people are suffering, literally: https://news.trust.org/item/20200906022155-95z56 And, WAIT, there's MORE! California has decreed that


Bidirectional LLC

Started by Piotr Wyderski in sci.electronics.design4 months ago 6 replies

Hi, Every converter with synchronous rectification should be capable of bidirectional operation. But there seem not to be any practical...

Hi, Every converter with synchronous rectification should be capable of bidirectional operation. But there seem not to be any practical realisations of bidirectional LLC, except for some vague conference papers. And even then it is not a pure LLC, but a CLLC or split-rail LLC. Why? Best regards, Piotr


Single mode, dual fiber optical link downsides

Started by Don Y in sci.electronics.design4 months ago 22 replies

Any COMPELLING reason to opt for single multimode fiber, instead? I'm only looking at a few hundred feet run. (the dual fiber solution is...

Any COMPELLING reason to opt for single multimode fiber, instead? I'm only looking at a few hundred feet run. (the dual fiber solution is "free" for me)


Bode Plot Measurements with a Scope

Started by three_jeeps in sci.electronics.design4 months ago 7 replies

I came across this article from Rohde & Schwarz and am curious if people are using this approach (or something similar) to verify their...

I came across this article from Rohde & Schwarz and am curious if people are using this approach (or something similar) to verify their design. https://on24static.akamaized.net/event/27/13/34/2/rt/1/documents/resourceList1600888178587/pract icaltipsforaccuratebodeplotmeasurementsmiscen3608046292v010011600888177168.pdf Its been a long time since I was doing this sort of work and am impressed wit


resistive panel

Started by Hul Tytus in sci.electronics.design4 months ago 7 replies

Anyone know where to find a description of the method for determing the position of a voltage source on a resistance plate that is connected...

Anyone know where to find a description of the method for determing the position of a voltage source on a resistance plate that is connected at multiple points on the edges? Or source code maybe? Hul


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