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The Philippine Electronics and Technology Forum > Digital Electronics > General Digital Design (Moderator: marcelino) > IC replacement?
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Author Topic: IC replacement?  (Read 618 times)
trojans04
LR44 Battery
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« on: January 17, 2010, 10:01:27 PM »
my lam b kaung replacement ng mga ic n 2?
LM3909
ICM7555

obsolete n kac ata mga 2 eh pahelp nmn po =)
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« on: January 17, 2010, 10:01:27 PM »
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tiktak
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« Reply #1 on: January 17, 2010, 10:11:11 PM »
ICM7555 sabi sa datasheet general purpose timer na CMOS baka pede LMC555 or ordinary na 555
LM3909 - di ko alam pero LED flasher ito diba?
BTW saan circuit po ba ito?
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trojans04
LR44 Battery
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« Reply #2 on: January 17, 2010, 10:29:25 PM »
Quote from: tiktakx on January 17, 2010, 10:11:11 PM
ICM7555 sabi sa datasheet general purpose timer na CMOS baka pede LMC555 or ordinary na 555
LM3909 - di ko alam pero LED flasher ito diba?
BTW saan circuit po ba ito?

nacucurious lng kac po ako low voltage supply baka magamit sa future hehe ung thesis po n nkita ko sa school nmin n gumagmit ng radio waves pra magcharge gumamit nyan
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nucleus
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« Reply #3 on: January 17, 2010, 10:50:54 PM »
LM3909 meron sa newport Smiley
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