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Type: Posts; User: adi_rage

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  1. Replies
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    Closed: Re: Doubt related to gsm modem antenna

    Antenna of the modem is connected via a brown colour wire which is ended in a connector of MMCX then for this connector,antenna is connected and is enclosed in samll black colour conical shaped...
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    1,820

    Closed: Re: Doubt related to gsm modem antenna

    Actually my doubt is,here in gsm modem what type of antenna are we using las we have some types like dipole antenna,helical antenna etc..
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    1,820

    Closed: Doubt related to gsm modem antenna

    I am using GSM MODEM provided by sim300 and i have no clue regarding the antenna specifications of the antenna used in this modem.
    In the pdf file it is just mentioned that the module has 50db...
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    Closed: Doubt in GSM MODEM MODULE

    WHAT IS THE USE OF LM2576S IN GSM MODEM MODULES?
    and
    Diff between serial and debug ports in this modems?
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    Closed: Re: query on the memory-flash

    Then my doubt is - IN SYSTEM PROGRAMMING and SELF PROGRAMMABLE FEATURE are different or are they both one and the same?
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    Closed: query on the memory-flash

    When i came across the special features of few ATMEL micrcontrollers,i did not understood the term "self programmable flash".what do you mean by this exactly?
  7. Closed: basic query about real time operating system

    what is the exact difference between "rtos" and normal operating system like windows,linux etc?
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    Closed: design of a gsm module

    Actually i am doing a project involving both GPS and GSM technologies for which i need a gsm module and the main problem here is i want to design a gsm module myself instead of buying a readily...
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    Closed: design of a gsm module

    Actually i am doing a project involving both GPS and GSM technologies for which i need a gsm module and the main problem here is i want to design a gsm module myself instead of buying a readily...
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    Closed: Re: help me i need reply asap....

    thankzz for responding very fast and have one more doubt regarding ULN driver which has its voltage specifications of output voltage 50v but a normal stepper motor can tolerate upto 12v but v use ULN...
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    Closed: help me i need reply asap....

    what do you mean by the statement at89s52 has programmable serial channel.....i.e what do you mean by "programmable serial channel"..........?:-?:-?
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    Closed: L293 compared to ULN...

    when i was designing normal basic robots till now i used l293 motor drivers but recently i came across one mini project where a stepper motor is drived by a uln driver...now my doubt is what is...
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