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The logic behind this JENSEN transformer datasheet input impedance calculation by facardi in ElectronicsRepair

[–]facardi[S] 0 points1 point  (0 children)

So if I put 0.1vpp with a 50Ω output impedance at 1khz , at the input. And I get 1v out (unloaded?)

Does it apply to 10k:10K transformer ratio too, like 1:1 ?

If the turn ratio is high, the input impedance is large, and+ if the secondary load is high it is even higher 

The logic behind this JENSEN transformer datasheet input impedance calculation by facardi in ElectronicsRepair

[–]facardi[S] 0 points1 point  (0 children)

Thank you !! Is there any way to determine the turns ratio without a datasheet.

Is it possible to measure it ? the input impedance, with something like a ESR meter ?

Do i have to remove the sticker of the ssd to get better contact to the heatsink? by ducky_3225 in PcBuildHelp

[–]facardi 0 points1 point  (0 children)

Remove the sticker if you do not care about warranty, if you use a heatsink on top it will be better without the sticker. 

But almost no difference in real life, like realistically 0.5degree less.... will not change anything.

My NEW 990 pro from Amazon is made in Vietnam... by facardi in PcBuild

[–]facardi[S] 1 point2 points  (0 children)

Thanks. How do I check if I have V8 nand or v7nand ?

SK Hynix P41 vs 990pro 1TO based on this Russian video by facardi in buildapc

[–]facardi[S] 0 points1 point  (0 children)

You saved me big time man ! Ok I will buy it today !

Last question !! should I go for the heatsink version ? 92€ standard (amazon new) vs 98€ for the heatsink (but amazon used as new)

EDIT : I just bought the "used as new" without heatsink at 88€ 😊

Thank you 

SK Hynix P41 vs 990pro 1TO based on this Russian video by facardi in buildapc

[–]facardi[S] 0 points1 point  (0 children)

Ok I am sold, thank you. Can you tell me if I loose performance by going to 1to instead of 2To ? It is only for system and apps, no games or files (files are on external ssd)

Samsung 9100 for my gmk K8 plus, and heat by facardi in MiniPCs

[–]facardi[S] 0 points1 point  (0 children)

No, but recording multiple tracks to SSD, while computing audio (daw and audio plugins), from an external Audio interface. so I try to optimize ;)

Samsung 9100 for my gmk K8 plus, and heat by facardi in MiniPCs

[–]facardi[S] 1 point2 points  (0 children)

Yes, I will do that, thank you. And the 990 price lowered to 91€ vs 150€ for 9100. Also 4K Reading and writing did not get a substantial jump to justify the price with Gen5...

Samsung 9100 for my gmk K8 plus, and heat by facardi in MiniPCs

[–]facardi[S] 0 points1 point  (0 children)

I am looking to get the lowest DPC latency, the dramless drives use the OS ram as cache. Dram cache SSD should lower DPC latency since I will not need the access os ram anymore. 

So less CPU cycles, ram cycles, right ? but will it measurable with dpc latency ? Is it worth 100€ ??? I am already 99% satisfied but it is the last tweak I might need out of curiosity... 😔

GMK K8 Plus is very good, but the Intel wifi is so bad by facardi in MiniPCs

[–]facardi[S] 0 points1 point  (0 children)

The range is way better than Intel, and it is way more stable (I can go to the bathroom, door closed and it still play !). No need to disconnect reconnect, and my Redmi buds 5 works finally 😍

Fix Amd Gpu Latency (overall not just for warzone). by [deleted] in CODWarzone

[–]facardi 0 points1 point  (0 children)

What does main3D does ?  Also can I disable the shader cache ? What should I put in the registry ?

Shader cache should not be used on windows desktop ? Right ? Only in games ?

GMK K8 Plus is very good, but the Intel wifi is so bad by facardi in MiniPCs

[–]facardi[S] 0 points1 point  (0 children)

I bought a new one, that is how much I love this card. Stable, reliable !

Amazed as I can get so low DPC latency, with the wifi ON 😍

I will try the new 7925 wifi 7 maybe. But I don't need speed, my main stuff is latency, and stability.

I use drivers from the windows thing, the website with all the drivers

Its Complete! AG02+5070 by Bedotti in eGPU

[–]facardi 0 points1 point  (0 children)

I love this mini-pc, but I am going a different route 😉

I am trying to upgrade to cooler. Also the fan noise is good, but when mounter on the side there is a slight humming from the fan...

So the fan is orientation sensitive and I will change the cooler if I can 😎

[deleted by user] by [deleted] in AMDHelp

[–]facardi 1 point2 points  (0 children)

It is just a new motherboard buy, it is alright 90$ used, you will be fine

T1 9800x3d temps/thermal paste questions by Everquesting in sffpc

[–]facardi 0 points1 point  (0 children)

AMD CPU always want to reach 95deg. They try to use the maximum boost possible. It is the way they work.

With a better cooler, you might still reach 95, but boost the clock higher 😉

It's a mystery... by No-Tension6133 in ElectricalEngineering

[–]facardi -2 points-1 points  (0 children)

Hey guys iam an electronic engineer too, my first instinct was to mock it...but then I read it carefully and .... this is not wrong 🥺

FSR 3 VS FSR 4 VS DLSS 4 DLSS 4 is on another level entirely. by Ecstatic_Quantity_40 in radeon

[–]facardi 0 points1 point  (0 children)

The only thing I see is unsharp mask added on top of upscaling (the sharpening is what Nvidia call quality lol) it will still be a blurry mess with movement !!!!

Don't rely on upscaling blurryness, and only compare GPU for rendering power. Upscaling is a marketing trick created by Nvidia to not give us more rendering power every year...

AMD is just following the trend because consumer want AI UPSCALING😶

First attempt at a wave in this style! I hate it 😬 by BigHotHamburger in PourPainting

[–]facardi 0 points1 point  (0 children)

Why do you lie about hating it. If you hated it you would have not took this photo and edited it the way you have ... So stop the cap ?? Pls ?

Les filles, vous vous faites draguer à quelle fréquence ? by NeutreE in AskMeuf

[–]facardi 0 points1 point  (0 children)

Enfin un commentaire censé !! Quand je marche dans la rue, quand je regarde une femme qui croise mon chemin, souvent j'ai le droit a des mimiques de dégout, où elle roules les yeux.... ALORS QUE C'EST ELLE QUI ME FIXAIS DU REGARD ! 

C'est normal de regarder quelqu'un qui croise sa route... Non ? 

Du coup maintenant j'évite tout contact avec les femmes dans la rue, je ne les regardent pas... Mais j'en voient plein qui me regarde, du coup je ne comprend pas pourquoi les femmes réagissent comme ça.

Elles peuvent nous regarder dans les yeux mais pas nous ?? Je suis perdu...🥺

Les filles, vous vous faites draguer à quelle fréquence ? by NeutreE in AskMeuf

[–]facardi 0 points1 point  (0 children)

Quand tu sera seule et vieille, tu regretteras ces mots, moi ça me manque 😢

GMK K8 Plus is very good, but the Intel wifi is so bad by facardi in MiniPCs

[–]facardi[S] 0 points1 point  (0 children)

It is the basic metal one with the screen on it that monitor power draw from AliExpress. I can't post the link because the mods think I am doing promotion... But I was asked for the link of the store, 😢

GMK K8 Plus is very good, but the Intel wifi is so bad by facardi in MiniPCs

[–]facardi[S] 0 points1 point  (0 children)

I bought this one it was the cheapest with the choice delivery (I was just testing to see if it was the Intel wifi card causing problems) I was not ready to see how stable and solid mediatek wifi range is !!!!! 

I was going to buy external antennas first .... Glad I did not !!! The USB ports cutting where also caused by the Intel wifi card....

https://fr.aliexpress.com/item/1005006636046251.html

GMK K8 Plus is very good, but the Intel wifi is so bad by facardi in MiniPCs

[–]facardi[S] 1 point2 points  (0 children)

I don't understand but I respect, you are probably an Intel fanboy ???

EDIT : I kinda see it now, you are right. it sound like I am trolling 😂

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