Frekvencometar

Instrumenti

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Re: Frekvencometar

Postby VolkD » 18-06-2010, 23:32

Naravno, da ima. sw je preradžen. preko USB ide info na PC. Tako, da se može videti recimo stabilnost kroz neko vreme.
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Re: Re: Frekvencometar


Re: Frekvencometar

Postby frwgrg » 15-08-2010, 15:10

Evo jos jedan jednostavan i dobar frekvencometar. I sto je najvaznije, delovi se lako mogu nabaviti. pise da meri do 2.5 GHz .
http://www.enide.net/webcms/index.php?page=basic-freq-meter
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Re: Frekvencometar

Postby danot » 06-03-2011, 15:34

Pozdrav svima!
Zanima me samogradnja frekvencmetar. Ptitoa frekvencmetar mora da bude analogni i da meri frekvencija negde do oko 300-400 Hz max. Jel ima nekog neka sema?
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Re: Frekvencometar

Postby pedja089 » 06-03-2011, 16:44

Sve imas na forumu. Sema, kod u pbo-u objasnjenje rada itd...
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Re: Frekvencometar

Postby danot » 06-03-2011, 17:13

Vjeruj trazio sam, ali nisam pronasao :(
Jel moze neki link, gde je to??
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Re: Frekvencometar

Postby pedja089 » 06-03-2011, 17:41

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Re: Frekvencometar

Postby Branez » 06-03-2011, 18:47

Pedja, nisi primjetio:
danot wrote:...... Ptitoa frekvencmetar mora da bude analogni i da meri frekvencija negde do oko 300-400 Hz max.
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Re: Frekvencometar

Postby pedja089 » 06-03-2011, 19:04

Istina, nisam :oops:
viewtopic.php?f=1&t=4331
Pogledaj tu, samo umesto LED i LM3914 mozes ubaciti voltmetar, i izbazdariti mu skalu kako ti odgovara.
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