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Author Topic: yagi antenna  (Read 3310 times)

Offline esmas

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yagi antenna
« on: February 22, 2009, 12:43:45 PM »
paturo naman poh jan kung anu materials needed to build yagi antenna ang kung anung wire ba ang maganda?
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yagi antenna
« on: February 22, 2009, 12:43:45 PM »

Offline rdpzycho

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Re: yagi antenna
« Reply #1 on: February 22, 2009, 10:27:55 PM »
aluminum tube, aluminum square tube, at 'yung plastic na pang-mount. mga AWG #24 - #20 na wire, pwede na rin, or 'yung wire mismo galing sa BALUN pwede nang gamitin.
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Re: yagi antenna
« Reply #1 on: February 22, 2009, 10:27:55 PM »

Offline Google

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Re: yagi antenna
« Reply #2 on: February 22, 2009, 10:29:36 PM »
ako rin sir paturo ng mga gagamitin materials at yung tamang presyo nito

baka kasi gulangan ako ng mga nagtitinda nito lalo na first time ko bumili ng mga ganito
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Re: yagi antenna
« Reply #2 on: February 22, 2009, 10:29:36 PM »

Offline ptolemy

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Re: yagi antenna
« Reply #3 on: February 22, 2009, 10:32:52 PM »
idesign niyo then pagawa sa raon mura lang ehehe mga 500
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Re: yagi antenna
« Reply #3 on: February 22, 2009, 10:32:52 PM »

Offline Google

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Re: yagi antenna
« Reply #4 on: February 22, 2009, 10:34:33 PM »
mas gusto ko akong gumawa kaysa ipagawa :D

magkakagulangan pa rin pag ganoon
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Re: yagi antenna
« Reply #4 on: February 22, 2009, 10:34:33 PM »

Offline rdpzycho

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Re: yagi antenna
« Reply #5 on: February 22, 2009, 10:39:08 PM »
sa may T. Alonzo kayo bumili ng aluminum. kapag sa Raon kasi alam na nila na antenna gagawin niyo kaya pwede kayong presyuhan ng mahal.
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Offline ptolemy

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Re: yagi antenna
« Reply #6 on: February 22, 2009, 10:39:47 PM »
sbgay ok din hehe, challenging ata eh yung helical/loop antenna gawin
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Offline Google

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Re: yagi antenna
« Reply #7 on: February 22, 2009, 10:43:05 PM »
saan banda yung T.alonzo ?? duun kasi sa RAON yung isang element na mga 1 meter ata yun eh binibigay sa akin sa halagang P50 - P60 pero di ko kinagat kasi sabi ng mga classmates ko na mga P30 daw meron nuun
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Offline rdpzycho

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Re: yagi antenna
« Reply #8 on: February 22, 2009, 10:44:16 PM »
kailangan ng pam-porma noon at blowtorch. pero 'yung mga gumagawa ng antenna, kaya rin nila ng bender lang.

'yung mga kailangan lang naman ng welding (tulad ng biconical) ang mahirap gawin kapag walang experience. hehehe.

Quote from: ^^ ``JheM`` ^^ on February 22, 2009, 10:43:05 PM
saan banda yung T.alonzo ?? duun kasi sa RAON yung isang element na mga 1 meter ata yun eh binibigay sa akin sa halagang P50 - P60 pero di ko kinagat kasi sabi ng mga classmates ko na mga P30 daw meron nuun

sa may Arranque 'yun. mababait 'yung mga tindera ng ibang tindahan doon, alam nilang project ng estudyante kaya kapag marami kayo babaan pa 'yung presyo.
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Offline esmas

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Re: yagi antenna
« Reply #9 on: February 23, 2009, 02:08:33 PM »
eh ung mga antenna na broadband na pwd sa ch 2-13 anu poh ba maganda coaxial na gamit jan? ung avail lang sa raon na gamit
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Offline rdpzycho

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Re: yagi antenna
« Reply #10 on: February 23, 2009, 04:49:53 PM »
kahit anong coax naman, basta matched 'yung impedance.
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Offline Google

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Re: yagi antenna
« Reply #11 on: February 25, 2009, 05:59:21 PM »
ayun napuntahan ko na yung sa T.Alonzo mura nga duun

sa halagang P30-35 may 16 ft na aluminum tube na hindi tulad sa raon nasa 75 pesos ang presyuhan ng isang metro lng .
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Offline Electrofun_01

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Re: yagi antenna
« Reply #12 on: February 26, 2009, 04:43:44 PM »
Miss Ano schedule(thickness) price kasi depends on the thickness of the elements and durability of your antenna eto link http://radio.meteor.free.fr/us/antenna.html ng design .
The more director the better when it comes to reception nagiging more directional nga lang yung mga directors pwede kang mag drill directly sa square tube yung dipole kailangan insulated. please consider also Lightning arrester to be on the safe side.
Yagi Log Maganda rin di ka na mag be bend ng dipole yun nga lang mas maraming insulated mounting.
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Offline jeje-BUSTER

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Re: yagi antenna
« Reply #13 on: May 26, 2009, 07:27:22 AM »
Usually Yagi-Uda is meant for narrow band application (works better for single frequency lalo na pag may matching like hairpin or gamma, and it also acts as a transceiver kaya ideal sa mga handheld radio)..

But according sa sinabi mong paggagamitan na TV channels 2-13, it would be better to design a LOG PERIODIC dipole array, or LOG PERIODIC V, para sa wideband application (at receiver lang) kaya ideal ito sa tv reception.. may mga formula naman ng design parameters para dito.. try mo tomasi buk.. andun.. gumawa din kasi ako ng LPDA at gamit ko sa bahay namin ngaun.. so far kahit studio 23 kuha naman nya kahit nasa UHF band na sya.. La union ko pa yun kinabit.. mga 350 lang nagastos ko...

sana nakatulong.. :D:D:D:D
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Offline Monde

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Re: yagi antenna
« Reply #14 on: June 27, 2009, 04:15:49 PM »
ask ko lnag with regards to antenna's, ung mga conventional bang mga antenna na gamit ngaun sa bahay eh pwede maging transmitter for example ggmitin mo xa as Tx ng rc car mo???.. sounds weird hehehe..
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Offline horde_fuego

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Re: yagi antenna
« Reply #15 on: June 27, 2009, 04:34:47 PM »
eto po baka makatulong sayo.designing yagi antenna by peter viezbicke
http://rapidshare.com/files/249141711/yagi_antenna_design.rar.html
 ;D ;D ;D ;D ;D
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Offline rdpzycho

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Re: yagi antenna
« Reply #16 on: June 28, 2009, 09:40:50 AM »
Quote from: reymund on June 27, 2009, 04:15:49 PM
ask ko lnag with regards to antenna's, ung mga conventional bang mga antenna na gamit ngaun sa bahay eh pwede maging transmitter for example ggmitin mo xa as Tx ng rc car mo???.. sounds weird hehehe..

yup. just remember na directional 'yung mga yagi.
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Offline jeje-BUSTER

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Re: yagi antenna
« Reply #17 on: July 08, 2009, 09:26:53 PM »
Quote from: reymund on June 27, 2009, 04:15:49 PM
ask ko lnag with regards to antenna's, ung mga conventional bang mga antenna na gamit ngaun sa bahay eh pwede maging transmitter for example ggmitin mo xa as Tx ng rc car mo???.. sounds weird hehehe..

uhm, its really kinda weird pag ang RC car remote control mo gagamitan mo ng mga conventional tv antenna (i.e. BARON ANTENNA) hindi ka kaya pagtawanan dun pag ganung masyado malaki at mahahaba element ang gamit mong remote ng rC mo>?? taasan mo nalang kaya frequency ng RC car mo para mas cute ang antenna mo mas maliit... hehehe
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Offline Monde

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Re: yagi antenna
« Reply #18 on: July 13, 2009, 03:21:06 PM »
Quote from: jake on July 08, 2009, 09:26:53 PM
uhm, its really kinda weird pag ang RC car remote control mo gagamitan mo ng mga conventional tv antenna (i.e. BARON ANTENNA) hindi ka kaya pagtawanan dun pag ganung masyado malaki at mahahaba element ang gamit mong remote ng rC mo>?? taasan mo nalang kaya frequency ng RC car mo para mas cute ang antenna mo mas maliit... hehehe

^__________^ wahahha uu nga sir, d ko nmn ggwin ung nasagi lang sa saking isipan wheeheh!!..


ah sir nga po pala any body knows kung anong klaseng coax ung gamit dun sa mga satellite receiver na kadalasang makikita sa mga bahay? .. saka po anong spectrum ng frequency ung gamit ng mga cable channels??..
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Offline rdpzycho

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Re: yagi antenna
« Reply #19 on: July 13, 2009, 07:32:53 PM »
http://www.csgnetwork.com/tvfreqtable.html - nasa bandang gitna 'yung Cable TV spectrum.

'yung sa satellite dish, pwede pa rin 'yung RG-6. 'di ko alam kung ano ang karaniwang gamit ng mga local installation dito.
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‎"Divide each difficulty into as many parts as is feasible and necessary to resolve it."
- Rene Descartes

"For every difficult problem there is always a simple answer and most of them are wrong."
- Clayton Paul

Philippine Electronics Forum

Re: yagi antenna
« Reply #19 on: July 13, 2009, 07:32:53 PM »
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