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| General Electronics Chat This forum is for general chat about electronics, eg: Dont know what a part does? Dont know how to read a circuit? Want to get an opinion? |
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21st December 2004, 03:53 PM
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 IC UM91214B: Can I Find it on a regular phone?? Im looking after this Item: IC UM91214B. first of all: what is IC?  Now, I heard I can find one of these on a phone, Is that true? and if yes...I will I reconize it? thanks you! | |
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21st December 2004, 04:51 PM
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| See this post http://www.electro-tech-online.com/v...4229c6ce554150
__________________ \"You can\'t make a circuit fool-proof, cause fools are so ingenious!\" | |
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21st December 2004, 08:37 PM
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| thnks, but it didnt answare any question of mine: Can I get it on a regular phone? how shuold I reconize it inside a phone? | |
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21st December 2004, 09:19 PM
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| Yes, You can find it in a pretty old phone. The chip have a spec.feature: switchable tone/pulse mode. The case is DIP16, 18, or 20 and the type printed always on the chip. | |
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Linear Mode
