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Sve i svašta

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Sve i svašta
Dragan83 Offline
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#4.281
07-12-2017, 10:17 AM
Da neotvaram novu temu pitacu ovde , treba mi pomoc oko vezivanja dole na slici uokvirenog ic kola crtam plocicu u sprintu za neko pojacalo ali nisam siguran koje nozice gde idu posto na semi nije oznacen broj nozice pa da nesto nezeznem, za IR2110 znam koja je koja ali za ovo HCF4049 nisam siguran.


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Dackotronic Offline
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#4.282
07-12-2017, 11:55 AM
To kolo ti je isto kao CD4049 ili 74HC4049  i slicna ..... ima sitnih varijacija naravno , poskidas za svako pdf pa uporedis .
Evo ti pdf za oba .

.pdf   CD4049.pdf (Size: 67,15 KB / Downloads: 8)

.pdf   HCF4049UB.pdf (Size: 59,53 KB / Downloads: 4)
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Zoksy Offline
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#4.283
07-12-2017, 07:19 PM
Poceh da sklapam SR150 pa videh da nisam dobio iste tranzistore.U potanju su 2sa1943.Ovaj desni mi je sumnjiv, sta vi mislite?Ako ne uspem da ubacim sliku jbg.
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Zoksy Offline
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#4.284
07-12-2017, 07:23 PM
(07-12-2017, 07:19 PM)Zoksy Wrote: Poceh da sklapam SR150 pa videh da nisam dobio iste tranzistore.U potanju su 2sa1943.Ovaj desni mi je sumnjiv, sta vi mislite?Ako ne uspem da ubacim sliku jbg.


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Dragan83 Offline
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#4.285
07-12-2017, 08:10 PM
(07-12-2017, 11:55 AM)Dackotronic Wrote: To kolo ti je isto kao CD4049 ili 74HC4049  i slicna ..... ima sitnih varijacija naravno , poskidas za svako pdf pa uporedis .
Evo ti pdf za oba .

Ma nisam ja mozda postavio pitanje kako treba, imam ja pdf od njih nego na semi mi nisu oznaceni brojevi nogica od ic-a i ja sad nisam siguran koja je koja nozica ja mogu da povezem po nekoj logici kako gledam sliku na semi i sliku iz pdf-a ali se plasim da ne pomesam nesto i da nezeznem stvar.
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Dackotronic Offline
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#4.286
07-12-2017, 08:27 PM
nebi trebalo da pogresis ako pratis semu , ja sam ih upotrebljavao kao bafer u predajnicima ali sada nisam pri racunaru na poslu sam ...
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Dackotronic Offline
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#4.287
07-13-2017, 09:45 AM
(07-12-2017, 08:10 PM)Dragan83 Wrote:
(07-12-2017, 11:55 AM)Dackotronic Wrote: To kolo ti je isto kao CD4049 ili 74HC4049  i slicna ..... ima sitnih varijacija naravno , poskidas za svako pdf pa uporedis .
Evo ti pdf za oba .

Ma nisam ja mozda postavio pitanje kako treba, imam ja pdf od njih nego na semi mi nisu oznaceni brojevi nogica od ic-a  i ja sad nisam siguran koja je koja nozica ja mogu da povezem po nekoj logici kako gledam sliku na semi i sliku iz pdf-a ali se plasim da ne pomesam nesto i da nezeznem stvar.

Evo kako sam koristio 4049 valda ce ti biti nesto ovo od koristi , e sad zavisi sta se tebi  od njega trazi u toj semi ??? dali ovakva veza ili ???.

Plus tebi na semi nigde nije ucrtano napajanje tj nozica 1 za to kolo , dok ova 3 voda sto idu prema masi su ti ustvari jedna nozica i to 8ma
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emiSAr Offline
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#4.288
07-14-2017, 05:20 PM (This post was last modified: 07-14-2017, 05:20 PM by emiSAr.)
Investicija


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branko tod Away
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#4.289
07-14-2017, 06:44 PM
Zato jedemo ovo
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mikikg Offline
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#4.290
07-14-2017, 10:31 PM (This post was last modified: 07-14-2017, 10:34 PM by mikikg.)
Zanimljiv video, obilazak starog, verovatno prvog takve vrste predajnika od 500kW sagradjenog 1938 godine tj tad je pusten u upotrebu, da vidite kako izgleda AUDIO POJACAVAC od skoro 200kW, modulacioni transformator isto te neke snage, grejanje cevki vuce 3000-4000A, kompletna shema predajnika staje na jedan list A3 papira (to su 3 zgrade sa podrumima + bazen), i tako dalje, gomila interesatnih stvari Smile

https://www.youtube.com/watch?v=CbHjcwIoTiY
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Dackotronic Offline
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#4.291
07-14-2017, 10:52 PM (This post was last modified: 07-14-2017, 11:32 PM by Dackotronic.)
5w 50w 500w 5kw 50kw 500kw , 10db su cudo Rolleyes  ali vodeno hladjene triode , bazen za hladjenje i modulacionu trafoi smesteni u podrumu e to sam zinuo kao tele  Big Grin

Dobar video  113
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BeliNinja Offline
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#4.292
07-15-2017, 05:14 AM
Bravo Miki.
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branko tod Away
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#4.293
07-15-2017, 05:15 AM (This post was last modified: 07-15-2017, 05:26 AM by branko tod.)
30. 12. 1976. Pušten u rad predajnik Radio Beograda, snage 2 000 KW, odobren na Međunarodnoj konferenciji za raspodelu kanala na području srednjih talasa. Bio je to jedan od najsnažnijih predajnika u Evropi.

[Image: img.jpg]

Predajnik i emisioni objekat u Zvečkoj kod Obrenovca NATO snage su bombadovale 25, 30. i 31. maja, a posledice su sledeće: ST predajnici: 2 x 1000 kw, 200 kw i 20 kw, potpuno uništeni; KT predajnik 50 kw, uništen; zgrada, radionica, agregat sala i magacini, uništeni; ST i KT fideri, znatno oštećeni; KT antene, oštećene; trafo stanica, malo oštećena; ST antene, bez vidljivih oštećenja; RR veze, uništene.
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BeliNinja Offline
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#4.294
07-15-2017, 06:07 AM
Sta covek da prokomentarise Sad
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vladd Offline
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#4.295
07-15-2017, 08:41 AM
Da nije skrljao NATO, sada bi to privatizovao lokalni BataMuta i prodao na kilo..
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BeliNinja Offline
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#4.296
07-15-2017, 09:29 AM
(07-15-2017, 06:07 AM)BeliNinja Wrote: Sta covek da prokomentarise Sad

Sad
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TDA Offline
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#4.297
07-15-2017, 11:34 AM
(07-14-2017, 06:44 PM)branko tod Wrote:
Zato jedemo ovo

Branko, neka neman ti je napala masline! Big GrinBig GrinBig Grin
Face up...make your stand and realise you're living in the golden years!
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Khadgar2007 Offline
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#4.298
07-15-2017, 11:53 AM
Ja bi rekao da su neman napale masline. Tongue
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Аритон Offline
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#4.299
07-15-2017, 08:12 PM
izgleda da je ta neman ustvari napala Cika Branka, od tog momenta mu se gubi svaki trag...
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mikikg Offline
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#4.300
07-16-2017, 02:19 AM
5 stvari koje nikako nebi trebali da radite sa ubrzivačem čestica, ali stvarno, vrlo zanimljivo i poucno predavanje Smile

https://www.youtube.com/watch?v=9cfD0uf4Iw8&t=3s
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