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Author Topic: paki gawa po ng pcb layout...  (Read 5655 times)

Offline 0b00000111

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Re: paki gawa po ng pcb layout...
« Reply #20 on: February 25, 2009, 08:55:11 PM »
wow bait ni tita marce heheh... kiss sabay hug dapat ;D ;D ;D



yhandz,

pwede mo din gamitin ang auto router ng eagle in case hihingi ka ulit ng tulong at wala dito si tita marce ;D ;D ;D
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Re: paki gawa po ng pcb layout...
« Reply #20 on: February 25, 2009, 08:55:11 PM »

Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #21 on: February 25, 2009, 08:58:53 PM »
wow bait ni tita marce heheh... kiss sabay hug dapat ;D ;D ;D



yhandz,

pwede mo din gamitin ang auto router ng eagle in case hihingi ka ulit ng tulong at wala dito si tita marce ;D ;D ;D
ano po yung auto router? wala pa talaga aq alam sa pcb making eh..
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Re: paki gawa po ng pcb layout...
« Reply #21 on: February 25, 2009, 08:58:53 PM »

Offline 0b00000111

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Re: paki gawa po ng pcb layout...
« Reply #22 on: February 25, 2009, 09:07:12 PM »
yung layout na ang gagawa ng route... although ikaw ang gagawa ng positioning ng component... at di naman ganoon kahirap pag-aralan ang eagle pcb layout.
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Re: paki gawa po ng pcb layout...
« Reply #22 on: February 25, 2009, 09:07:12 PM »

Offline marcelino

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Re: paki gawa po ng pcb layout...
« Reply #23 on: February 25, 2009, 09:58:31 PM »
yung layout na ang gagawa ng route... although ikaw ang gagawa ng positioning ng component... at di naman ganoon kahirap pag-aralan ang eagle pcb layout.

pag-aralan mo na kasi... syempre, bilang engineering student, kakailanganin mo din naman software tuald ng eagle.  kaya aralin mo na... :)
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Re: paki gawa po ng pcb layout...
« Reply #23 on: February 25, 2009, 09:58:31 PM »

Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #24 on: February 25, 2009, 10:06:02 PM »
pag-aralan mo na kasi... syempre, bilang engineering student, kakailanganin mo din naman software tuald ng eagle.  kaya aralin mo na... :)
opo kuya... may ma recommend ka bang tutorials jan?
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Re: paki gawa po ng pcb layout...
« Reply #24 on: February 25, 2009, 10:06:02 PM »

Offline marcelino

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Re: paki gawa po ng pcb layout...
« Reply #25 on: February 25, 2009, 10:57:57 PM »
may nagpost na yata... video pa nga yun!

ok yun... yun na muna ang kakailanganin mo para makapagsimula. next to it, tanong ka nalang sa mga master na tulad ni manay Seven. :)

nagpaturo lang din naman ako sa kanya! heheh ;D
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Offline akhen

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Re: paki gawa po ng pcb layout...
« Reply #26 on: February 26, 2009, 05:08:58 AM »
Quote
hanap ka muna po ng heatsink. parang kakailanganin mo nga.

sabi daw sa datasheet, nearly 100deg centigrade na ang temperature at 30W.

here... i compressed it a bit with heatsink. I also adjusted the pad size of resistors.



sarap pala gumawa ng PCB na konti lang ang parts at malalaki! hehehe 1st time ko to since natuto ako ng eagle.

Sis mukhang mainit talaga yung mga transistors pag gumana ah?
Di kaya mas maganda kung nakamount sa isang malaking heatsink yung lahat ng transistor tapos may fan sa gilid nung heatsink?
Watyathink?

Offline Woots29

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Re: paki gawa po ng pcb layout...
« Reply #27 on: February 26, 2009, 09:34:29 AM »
eh ung iba nga ganito heatsink eh



 ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D
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Offline marcelino

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Re: paki gawa po ng pcb layout...
« Reply #28 on: February 26, 2009, 11:13:49 AM »
Sis mukhang mainit talaga yung mga transistors pag gumana ah?
Di kaya mas maganda kung nakamount sa isang malaking heatsink yung lahat ng transistor tapos may fan sa gilid nung heatsink?
Watyathink?


yan nga ang naiisip ko. yung una kong post sa thread na to, sinasuggest ko na directa nang magsoder sa pins ng transistors pero naka mount sa malaking heatsink. kasi yun nga ang ginawa ko noon. pero dalawang transistors lang ang ginamit ko noon. dalawang TO-3 transistors...

eh ung iba nga ganito heatsink eh



 ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D

naku woots, bat mo ipinakita yan! gagayahin yan ng mga tinatamad! hahahah ;D
kung walang-wala talga. punta kayo sa aluminum supplies, bilihin ninyo yung mga clutters nila dun. kung madala mo nga sa pacute, libre pa yun!


 ;D ;D ;D ;D
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Offline Woots29

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Re: paki gawa po ng pcb layout...
« Reply #29 on: February 26, 2009, 11:43:12 AM »
hehehe! kunting hijack lang. pero i recommend na tabi tabi ung transistors para ii sang heatsink. ;D ;D ;D ;D
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Offline marcelino

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Re: paki gawa po ng pcb layout...
« Reply #30 on: February 26, 2009, 11:49:58 AM »
hehehe! kunting hijack lang. pero i recommend na tabi tabi ung transistors para ii sang heatsink. ;D ;D ;D ;D

nice idea... pwede nga naman ano...
oo nga pala, yung ibinebenta, nasa isang side lang lahat na transistors... :) mas liliit pa nga ang PCB.

OT: anyone have an idea about PCB design for audio apps? may special considerations ba ito?
"Don't take life seriously. After all, no one has ever come out of it alive. -Bugs Bunny"

Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #31 on: February 26, 2009, 12:12:30 PM »
eh ung iba nga ganito heatsink eh



 ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D ;D

pwede pala coins gawin heatsink.. sa resistor heatsink rin ba iyan?
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Offline Woots29

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Re: paki gawa po ng pcb layout...
« Reply #32 on: February 26, 2009, 12:34:00 PM »
@ sir marcelino

oo nman nman sis. sa audio kasi kapag pre-amps karaniwan may ground sa gitna ng signals kung stereo at dapat may proper grounding or shielding. pero sa booster low gain kaya pwede na yan desgn na parang sa power supply.

@yhandz
gingamit lang yan kung moderate heating ung parts, pero sa kaso ng project natin kelangan mjo malaking heatsink.
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Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #33 on: February 26, 2009, 12:38:51 PM »
@ sir marcelino

oo nman nman sis. sa audio kasi kapag pre-amps karaniwan may ground sa gitna ng signals kung stereo at dapat may proper grounding or shielding. pero sa booster low gain kaya pwede na yan desgn na parang sa power supply.

@yhandz
gingamit lang yan kung moderate heating ung parts, pero sa kaso ng project natin kelangan mjo malaking heatsink.
cge.. ganun ba.. tnx.... hehehe....  ask q lng dapat ang input and output na transformer  dapat ba both should nid primary and secondary?
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Offline Woots29

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Re: paki gawa po ng pcb layout...
« Reply #34 on: February 26, 2009, 12:53:51 PM »
yhandz ung input may pri at sec un. pero ung output, minsan merong sec pero minsan pri or called auto. basta bilhin mo input at output xformer ;D ;D
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Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #35 on: February 26, 2009, 01:26:56 PM »
yhandz ung input may pri at sec un. pero ung output, minsan merong sec pero minsan pri or called auto. basta bilhin mo input at output xformer ;D ;D
so sa project q ok lng ba yung output eh primary lang o dapat tlga primary and secondary?
“Mathematics is made of 50 percent formulas, 50 percent proofs, and 50 percent imagination.”

Offline 0b00000111

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Re: paki gawa po ng pcb layout...
« Reply #36 on: February 26, 2009, 02:24:59 PM »
anak ng tokwa. napakaresourceful naman nyan... di inabot ng isip ko yan na gamitin ang coin for heatsink hehehe ;D ;D tapos may paperclip pa bwahahahah ;D
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Offline Woots29

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Re: paki gawa po ng pcb layout...
« Reply #37 on: February 26, 2009, 02:28:27 PM »
check mo ito

http://geocities.com/wnovio/ckt2.swf

yan ung booster ko. nakakabit ung speaker sa output.

yhandz, bili ka na lang muna ng mga input transformer at output transformer and lets see kung anung merong available ok?

@7
 ;D ;D ;D ;D ;D ;D ;D
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Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #38 on: February 26, 2009, 05:36:18 PM »
pwede pala coins gawin heatsink.. sa resistor heatsink rin ba iyan?
check mo ito

http://geocities.com/wnovio/ckt2.swf

yan ung booster ko. nakakabit ung speaker sa output.

yhandz, bili ka na lang muna ng mga input transformer at output transformer and lets see kung anung merong available ok?

@7
 ;D ;D ;D ;D ;D ;D ;D
yung crystal pin ba ay naka attach sa transistor? para ano po gamit nun?

cge po.. yun na lang may primary and secondary output ang bibilhin q
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Offline bluegirl

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Re: paki gawa po ng pcb layout...
« Reply #39 on: February 26, 2009, 05:39:04 PM »
check mo ito

http://geocities.com/wnovio/ckt2.swf

yan ung booster ko. nakakabit ung speaker sa output.

yhandz, bili ka na lang muna ng mga input transformer at output transformer and lets see kung anung merong available ok?

@7
 ;D ;D ;D ;D ;D ;D ;D
ilang watts po itong booster niyo?
“Mathematics is made of 50 percent formulas, 50 percent proofs, and 50 percent imagination.”

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Re: paki gawa po ng pcb layout...
« Reply #39 on: February 26, 2009, 05:39:04 PM »

 

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