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Author Topic: power supply  (Read 1705 times)
tiktak
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« Reply #20 on: February 13, 2010, 10:42:13 PM »

negative po yang 7909 kagawad hehe
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« Reply #20 on: February 13, 2010, 10:42:13 PM »

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I n s i d e r 2010
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« Reply #21 on: February 13, 2010, 10:44:15 PM »

alam ko sis

yan kz ang inilagay ko nung  naubusan ako ng 7809

eehehehehe
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ang PIKON ay laging TALO,tandaan nyo po yan mga kapatid. IRESPETO ang bawat isa!
ang PANLALAIT sa kapwa ay isang kasalanan na
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marcelino
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« Reply #22 on: February 13, 2010, 10:48:33 PM »

mas ok daw ung 7909 reg





di ba negative output yan?

EDIT: tama, 1A negative output voltage regulator ang 79XX
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tiktak
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« Reply #23 on: February 13, 2010, 10:49:05 PM »

hehe mataas nga consumption ng multi effects pero sinusuplayan lang ng akin ay 4 na stompbox kaya mataas pa yan Cheesy may balak ako gawin na kelangan ng split supply dagdagan ko nalang ng MAX1044 Cheesy
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« Reply #24 on: February 13, 2010, 10:49:52 PM »

opo sis marcelino

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ang PIKON ay laging TALO,tandaan nyo po yan mga kapatid. IRESPETO ang bawat isa!
ang PANLALAIT sa kapwa ay isang kasalanan na
pagbabayaran mo rin balang araw!
marcelino
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« Reply #25 on: February 13, 2010, 10:52:39 PM »

hehe mataas nga consumption ng multi effects pero sinusuplayan lang ng akin ay 4 na stompbox kaya mataas pa yan Cheesy may balak ako gawin na kelangan ng split supply dagdagan ko nalang ng MAX1044 Cheesy

sis, LM317 nalang with pass transistor. mas makakamura ng konti.
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« Reply #26 on: February 14, 2010, 06:48:47 PM »

@ ser tiktak
ser kelangan ko nga lagyan ng filter...ano po schematic ng filter ska pano ilalagay sa primary?..
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« Reply #27 on: February 14, 2010, 06:52:32 PM »

up ko lang po

ung 7909 neg supply un pero pwd gamitin replacement sa 7809 basta single output lang

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ang PIKON ay laging TALO,tandaan nyo po yan mga kapatid. IRESPETO ang bawat isa!
ang PANLALAIT sa kapwa ay isang kasalanan na
pagbabayaran mo rin balang araw!
7_SeVeN_7
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« Reply #28 on: February 14, 2010, 06:55:59 PM »

@ ser tiktak
ser kelangan ko nga lagyan ng filter...ano po schematic ng filter ska pano ilalagay sa primary?..

ok na iyung pinost ni sis tiktax... ganyan din ang gamit ko sa effects ko na supply Smiley much better na lagyan mo din ng heatsink para in case mag lagay ka ng multi-effects, walang problema at di ka limited sa mga stompboxes lang Smiley hanap ka na lang ng transformer na makakapagoutput ng 12VAC.
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« Reply #29 on: February 14, 2010, 07:05:38 PM »

OT: kapag walang regulator at filter lang, merong mga sumubok ng iba-ibang diode sa rectifier kung ano pinakamaganda tunog. 'yung mga fast recovery ang maganda daw tunog. characteristic nung pagbagsak ng voltage sa peaks ang naririnig at kinukumpara nila talaga. Grin
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« Reply #30 on: February 15, 2010, 09:23:04 AM »

mas ok daw ung 7909 reg




-9v? ang alam ko dito 9vac yata ang box na ito paki klaro lang TS kong 9vdc or 9vac

kagabi kasi may dinala sa shop namin 9vac ang nakalagay
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