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Re: 2 files uploaded #file-notice
this Item seems a 1200 mhz maxi ? francois price is super ! Links: ------ [1]
By F1CHF · #99320 ·
Re: 2 files uploaded #file-notice
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.
By paul larner · #99319 ·
Re: 2 files uploaded #file-notice
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&
By paul larner · #99318 ·
Re: Schematics to Circuit Board?
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
By jimmiehillam@... · #99317 ·
Re: 2 files uploaded #file-notice
thanks for the files it is for this item https://www.ebay.fr/itm/124635839463?var=425565521392 francois Links: ------ [1]
By F1CHF · #99316 ·
2 files uploaded #file-notice
The following items have been added to the Files area of the [email protected] group. * /aliexpress frequency counter modual manual+ schematic/PLJ-8LED counter.png (
By Group Notification <noreply@...> · #99315 ·
PLJ-8LED frequency counter modual issues
Hi all, I have a cheapo PLJ-8LEDfrequency counter modual,it works ok but for anything above hf needs a lot more drive,can anyone recomend or link to a schematic for a wideband buffer and amplifier to
By paul larner · #99314 ·
File /PLJ-8LED counter.png uploaded #file-notice
The following items have been added to the Files area of the [email protected] group. * /PLJ-8LED counter.png ( /g/electronics101/files/PLJ-8LED%20counter.png ) *By:* paul
By Group Notification <noreply@...> · #99313 ·
Re: Light from semiconductor junctions
I read many NASA Tech Briefs and used quite a few of the technologies reported therein! Donald.
By Donald H Locker · #99310 ·
understanding error voltage link to pll locking status
Hello , I have an intresting phenomena when I am trying to lock my PLL by the system shown below.(from the attached article. My error voltage which is IF of a mixer gets amplified and the amplified
By john23 · #99309 ·
Re: Light from semiconductor junctions
Those briefs appear to be available https://archive.org/search?query=NASA+Technical+Reports+Server A lot to wade through when I run out of other things to do.....
By wn4isx <wn4isx@...> · #99308 ·
Re: Light from semiconductor junctions
On Sunday 01 December 2024 03:27:27 pm Donald H Locker via groups.io wrote: > I would dispute the "let's waste money" part - there were a LOT of unknown variables when they started and they learned a
By Roy J. Tellason, Sr. · #99305 ·
Re: Latching Relay Drivers
Look at 7474. DK
By Dan Kahn · #99304 ·
Re: my new psu
Has anyone have any ideas on this? [email protected]> wrote:
By paul larner · #99303 ·
Re: Latching Relay Drivers
Normally closed push buttons are not common as you have found out. If you can find a refrigerator light switch, it would do. Or a single pole double throw momentary switch. Bertho
By Bertho · #99302 ·
Re: Light from semiconductor junctions
I'd have sworn I got the idea from Radio Electronics or Popular Electronics but I just did a search at World Radio History for both magazines, the earliest either has slow kick wiper was 1968, but I
By wn4isx <wn4isx@...> · #99301 ·
Re: Light from semiconductor junctions
I wish my uncle was still alive to share some of the experiments.?Many of the experiments were duplicates of experiments performed during WWII at Wirght-Patterson. NASA employed 400,000 at the peak
By wn4isx <wn4isx@...> · #99299 ·
Re: Light from semiconductor junctions
I would dispute the "let's waste money" part - there were a LOT of unknown variables when they started and they learned a LOT of lessons with little loss of life. The lives lost were due to making
By Donald H Locker · #99298 ·
Re: Light from semiconductor junctions
My uncle worked for a company that made sub assembles for NASA and NASA ordered a special run of? maybe 1000 1N4004 in glass. They wanted to study what vibration did the the PN junction. It worked
By wn4isx <wn4isx@...> · #99297 ·
Re: Light from semiconductor junctions
Not sure why anybody would want to... Rare? I'd call the 1N400x parts exceedingly common. And regarding ordering them, if I were to do so I'd go for the max voltage ones, the difference in price
By Roy J. Tellason, Sr. · #99296 ·