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Recent content by zachs

  1. Z

    ADS931 ADC chip CLK pin connection

    Thanks a lot karesz and Happy new year, Currently I'm trying to look for the suitable crystal oscillator. But Singapore Farnell doesn't have st4100 which you recommend (with edge time 2ns, just match the optimum requirement set by the data sheet), the fastest oscillator they have edge time is...
  2. Z

    ADS931 ADC chip CLK pin connection

    karesz: Thanks a lot for your reply, I really appreciate it !!! Yes, I still have one doubt regarding to the oscillator,(maybe you think it's stupid) I think the crystal oscillator usually generates sine wave at certain frequency, eg: in my case at 32MHz, but how can I make waveshape to...
  3. Z

    ADS931 ADC chip CLK pin connection

    Dear all, I am using a 8 bit 33MHz ADC chip---ADS931 to sample a fast voltage surge signal. But I have no idea how to connect the CLK pin in order to run the chip at around 30 MHz. The datasheet just mentions to use high speed or advanced CMOS logic...but I am still not quite sure what I...
  4. Z

    (HELP) PIC16C745 AND GSM MODEM(RECEVING MSG)

    Hi anybody has a idea for project?????
  5. Z

    (HELP) PIC16C745 AND GSM MODEM(RECEVING MSG)

    Hi all, can you help me,please?
  6. Z

    (HELP) PIC16C745 AND GSM MODEM(RECEVING MSG)

    somebody help me.
  7. Z

    (HELP) PIC16C745 AND GSM MODEM(RECEVING MSG)

    HELP, HELP Added after 1 minutes: help!!!!!!
  8. Z

    (HELP) PIC16C745 AND GSM MODEM(RECEVING MSG)

    hi all ,can you help me?
  9. Z

    (HELP) PIC16C745 AND GSM MODEM(RECEVING MSG)

    hello, i am a college student,and i have a project now which is about the communication between PIC16C745 and GSM MODEM. The background is that the user send a serial of digits through handphone to GSM MODEM . I must receive the digits and decode the digits thus let the LED TRUN ON/OFF within...

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