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After more research it looks like the best long term archival storage are glass CD/DVD and film on Mylar substrate because Mylar is extremely

It's hard to put a cash value on "stuff" that I've collected, but one consideration is the time I have invested. Your comments make me think again about going to some kind of a RAID array, that

I bought a tape drive some years back, and have some tapes around somewhere or other. I was discouraged from using it because of the noise that it generates, I'd never seen anybody talk about the

A contact of mine in the archive business recconed that computer tapes would need to be converted to a standard format (7 or 9 iso) (from DECTAPE and 12/6 track and other odd formats ... you cant find

On-site backups on most reliable current technology with off-site backup on a service's storage media. They KNOW how to maintain data forever: swapping storage devices as they age (instead of when

WoW, Makes me wonder if aluminium based role of film with holes much like paper tape of Pace-16 NS days (early 16 bit micro dev system) would be a rather long term reliable means of storage - pretty

A friend has a production company with an audio studio. He switched from reel to reel tape to hard files in the mid 1990s. He called me in panic yesterday when he couldn't access one of his original

Hello , I have built a PLL system based on the following article. I have designed the amplifier to have some input voltage current output behavior. but in the lab I sat that when i plug the the input

This Link is all Paul needs to get to the AliExpress Item: https://www.aliexpress.com/item/1005007385777528.html So, when you cut n paste a link and find "?" simply delete it and everything

your correct andy,the drive? required goes up big time over 50 Mhz,i am trying to think of a fix,ie preamp etc.

i found the current sense resistors( 4x250 ohm 10w jobs),i swapped those tor a 62 ohm 50watt aluminium resistor i had lying around,now i get 2 amps max ok,0-60+ volts max out would be nice tho,its

is there any way just a small wideband preamp on its rf input would fix it,i have 2 or 3 sga3486 amp chips i could use,would that work?

For those who care, everything (in this link) is tracking information. Many (likely most) links can be truncated from the '?' on without loss. I, personally, don't care to have all of my web activity

Probably not. Max voltage typically set by regulator itself, inconjunction with raw DC being supplied off transformer. If you find that output isn't what it should be, look at rectifiers and filter

Looking at another latching relay based on a STC 15F104W micro that is low triggered. Reviews (@ Amazon) have mentioned tying a .1uF cap across connections for denounce. That got me to thinking. My

I use eagle with the pcbgcode plugin.

this Item seems a 1200 mhz maxi ? francois price is super ! Links: ------ [1]

its for the one i just linked francois,its half price of the ebay one but from aliexpress china,it took 8 days delivery ok,73 paul de m3vuv.

https://www.aliexpress.com/item/1005007385777528.html?spm=a2g0o.detail.pcDetailTopMoreOtherSeller.5.377ca9z8a9z8Ys&gps-id=pcDetailTopMoreOtherSeller&scm=1007.40196.366991.0&scm_id=1007.40196.366991.0&

I use Kicad to do schematics and board? Comes in windows and Linux and free to use? Eagle is another option Free version has restrictions but that shouldn't be an issue.? Kicad is probably the best