Recent content by HP.builder

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    Hp-15c Gone, but not forgotten

    Do you feel like to rebuild it using new component
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    Semi conductors(especially transistors).

    @sophiecentaur thats all about the flow of electron isn't it, either before it enter the Emitter (CC) or after leaving Collector (CE). BTW, how to intuitively thinking about input / output impedance on both CE and CC configuration...
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    Revamping the ALCATEL OT511: Schematics and Prototype Recommendations

    nope. You're absolutely correct. But with 1M$ accessible budget I can do custom ordering using modern component. You may not believe that quiete a few of my colleagues really like to stick with "BANANA" nokia. even though they can afford to get a Vertu.
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    Revamping the ALCATEL OT511: Schematics and Prototype Recommendations

    I don't want to know and care about those ASICS things. I care about those phone user who can no longer use their old phone. I've just been contacted by a chip manufacturer , let's see if their chip can do the job.
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    Revamping the ALCATEL OT511: Schematics and Prototype Recommendations

    I don't know how to talk to them, I'm afraid if I send them letter they would just ignore it. Actually local mobile telephone company are bundling really cheap ZTE phone (and ugly too) with their subsciption service. Perhaps they can bundle OT511 instead. I heard of a company in china...
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    Revamping the ALCATEL OT511: Schematics and Prototype Recommendations

    I'm almost sure I can find spare unused ASICS chips for this particular model. But I'm not sure how to find the schematics for it though :smile:
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    Revamping the ALCATEL OT511: Schematics and Prototype Recommendations

    no RF so far, only pure digital. I can enlist a few friend who are lecturer in electronics to help me with this. I would agree with you about the ASICS things, that would be very expensive to create new ASICS wouldn't it. Hmmm perhaps we can reuse the old ASICS chips and simplify the...
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    Revamping the ALCATEL OT511: Schematics and Prototype Recommendations

    ALCATEL OT511 launched around 2001, While Alcatel no longer support this product, there are still heaps of user still want to use it. I want to reproduce the electronic circuit for this mobile phone using new components, thus making it simpler, and if possible I would place colour OLED...
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