Malo ja o tehnici... (nista ozbiljno)

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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Fri Sep 09, 2016 10:18 pm

And now, something ....

Kaže meni frend evo ti jedna "Ruska" cijev, tu mi samo smeta po škafetu...
EF50_1.jpg
EF50_1.jpg (82.06 KiB) Viewed 6131 times

EF50_2.jpg
EF50_2.jpg (84.73 KiB) Viewed 6131 times


Kada ono CV1091, servisna verzija famozne EF50 koja je odigrala ključnu ulogu
u obrani Britanije od Luftwafe početkom WWII...
Više na linku ->
http://www.pyetelecomhistory.org/prodhi ... 939_-_1946
&
http://www.dos4ever.com/EF50/EF50.html
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Tue Sep 13, 2016 12:04 pm

Puno, puno starih časopisa u pdf-u
http://www.americanradiohistory.com/index.htm
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Wed Sep 14, 2016 8:54 am

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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Sat Sep 17, 2016 11:52 am

Jedna zaista uzorna samo-gradnja bez štampe, kapa dolje...
https://aa7ee.wordpress.com/2016/09/09/ ... t-for-20m/
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Wed Oct 26, 2016 10:27 pm

Zanimljiva žičana antena... multiband...

http://hamwaves.com/cl-ocfd/en/index.html

Image
80, 40, 30, 20, 15 & 10m coverage
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Sat Oct 29, 2016 2:28 pm

Screenshot from 2016-10-29 16-49-18.png
Screenshot from 2016-10-29 16-49-18.png (1.4 MiB) Viewed 5973 times


Teknika narodu....
sin me oveselio novim PCom koji je pod Ubuntu 16.04 operativnim sistemom

Stoga evo i nova verzija CubicSDR 0.2.0 sa dva SDRa odjednom. Jedan SDRPlay sempla 5-8MHz
a drugi RTL-SDR do 2,5 MHz odjednom....
Ne vjerujete !? ;)

Slike govore tisuću riječi... (desni miš, pa View Image, za pregledati čitavu sliku)

Screenshot from 2016-10-29 14-03-12.png
Screenshot from 2016-10-29 14-03-12.png (921.34 KiB) Viewed 5978 times
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Tue Nov 22, 2016 9:18 am

RSP2 dostupan ! (10 kHz - 2 GHz)
RSP2 Pricing – $169 (£156 inc VAT in EU) plus shipping – INCLUDES SDRuno!

The RSP2 covers the radio spectrum from 1kHz (VLF) to 2GHz (Microwaves) with up to a massive 10MHz bandwidth.


http://www.sdrplay.com/docs/RSP2_Datasheet.pdf
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Mon Dec 05, 2016 8:27 pm

9a4db wrote:http://www.richardsonrfpd.com/Pages/Product-Details.aspx?productId=1224857&utm_campaign=NXP-MRF1K50&utm_source=MWJ&utm_medium=Messenger
1,5 KW za 250 USD na 50V DC ;)

Specifikacije u pdf formatu....
http://www.nxp.com/assets/documents/dat ... f?&pspll=1
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Tue Dec 06, 2016 6:43 pm

SDR stick + Raspberry Pi => FM repetitor 8-)

https://zr6aic.blogspot.hr/2016/11/crea ... berry.html

Lukavo.... ;)
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Re: Malo ja o tehnici... (nista ozbiljno)

Postby 9a4db » Fri Dec 23, 2016 12:22 pm

Muči me neki meteo radar... pa mi treba neki izvor... oko 10 GHz
ekipa je naravno odavno našla soluciju za par USD :mrgreen:

http://www.limpkin.fr/public/HB100/HB10 ... n_Note.pdf

http://home.deds.nl/~knol/HB100/
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