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Recent content by goldperson2005

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    Chipset Packaging Material !

    Hi every one I'm looking for some kinds of material that are used for Vacuum Packaging of the chipsets . I mean body structure of the package . I've searched many articles , but haven't fund a thing . All the things that I've fund are about foods packaging or some others that are about chipset...
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    Embedded Linux Development on an ARM Architecture

    Thanks a lot Which one is better than the others for beginners ?
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    Embedded Linux Development on an ARM Architecture

    Hi guys I need a book for Embedded Linux Development on an ARM Architecture , what is the best ? If it's possible , I prefer that it get it through Cross GCC .
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    How to use OCXO oscillator ?

    Thanks . I want put it very close to a chip that is so sensitive around temperature , then its so important for me to know : Does OCXO have influence on other parts of circuit that are close to it ?
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    How to use OCXO oscillator ?

    Thanks a lot dear Keith Just one ; I can not understand that , is the 'Control Voltage' pin for fixing the output frequency in different temperatures or defining the output frequency ?
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    Laser Instant Switch ( sensor )

    Then accuracy strongly should depends on frequency stability ( ; vs all features ) .
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    How to use OCXO oscillator ?

    Hi I haven't used OCXO 'Oven Controlled Crystal Oscillator' up to now . Datasheet Where the 'Reference Voltage' and the 'Control Voltage' should be connected to ?
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    Laser Instant Switch ( sensor )

    Yes , I'm looking at TDC-GP22 . I can not understand this : " In mode 2 the high-speed unit of the TDC does not measure the whole time interval but only time intervals from START and STOP to the next rising edge of the reference clock (fine-counts) " according to this part it shouldn't measure...
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    Laser Instant Switch ( sensor )

    Thanks Keith They defined just the max range of rise/fall time . I haven't read the whole of the datasheet , but I think it's trying to say that the maximum rise/fall time of input shouldn't be over than 200ns . but the other point that I can not figure it out : according to the image , it...
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    Laser Instant Switch ( sensor )

    thanks as you said , " Using a laser to measure the time between two events implies breaking the beam " ; Start by breaking the beam & stop by receiving it again . it's repetitive & should be accurate at least in 0.5ns . If the response time be more than 499ps it may lose . Yes I want to use TDC...
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    Laser Instant Switch ( sensor )

    Thanks What kind of detail should I provide ? I want to use LaserDiode to trigger the start and stop of time measurement .
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    Laser Instant Switch ( sensor )

    Hi guys I need Laser Instant Switch for my project . I've searched about it trough the web , but the laser switching time were about ms(fall and rise time ) , and in phototransistors it was about us . In my project rise/fall time shouldn't be more than 499ps . I want to use laser to measure the...
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    2GHZ 32 bit Synchronous Binary Up Counter

    Thanks a lot I've used Synplify for my project's synthesis , Does it contain those libraries ? Thanks a lot I want to use it as a timer with 0.5ns accuracy : 2GHz for internal circuit clock & 1GHz for counting . I want to measure 1±0.5ns to 50us .
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    2GHZ 32 bit Synchronous Binary Up Counter

    Hi guys I need 2GHZ 32 bit Synchronous Binary Up Counter ( IC ) for my project . but I haven't found it yet then I decide to make it by myself . I need to know : Is it possible ? How much does it cost ? :roll:
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    How can I design a simple graphic card ?

    Tanks a lot it was so helpful . but I have questions : 1024*768 and 32 bit color it should be 1024*768*4 Byte : 3145728 Byte : 3072 KB : 3MB Do you mean something like SRAM ( as a static memory) ? Can ARM Cortex-A series be used as a processor in VGA Card ?

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