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Recent content by rongo024

  1. R

    [ARM] What is the IO operation speed of an ARM processor

    https://www.digikey.ca/product-detail/en/ADS54RF63EVM/296-30668-ND/2231587 This is a 550MS/s 1 Channel ADC,if I want to read the output of the ADC. So, I need 550MHz IO operation speed. [for ADC] For DAC, I need such IO operation speed to drive. Thanks KlausST and Easyrider83.
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    [ARM] What is the IO operation speed of an ARM processor

    hello, I want to drive a 500 MS/s DAC from an ARM processor. I have found that TS-7800 can run at 500MHz. if the processor speed is 500MHz can I assume that the IO speed can be similar to processor speed?
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    ARM micro-controller with with more than 500MS/s ADC, 10bit + Evaluation board

    Hello, I am looking for a arm micro-controller that has 10-bit 500MS/s ADC or more. If it comes with a evaluation board that would be great. If anyone knows about such board, please let me know. It is very urgent for my research. Thanks.
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    Seeking a good reference on basic analog circuit design for hobbyist

    https://www.amazon.com/Circuit-Design-Simulation-Microelectronic-Systems/dp/0470881321/ref=la_B001ITTFE4_1_1?s=books&ie=UTF8&qid=1382445643&sr=1-1
  5. R

    Hspice -- Not able to generate .tr0 file

    I think You need to add few more lines.. .option post accurate nomod brief .option post_version=9007 .option runlvl = 5 .op
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    How to calculate Setup and Holdtime violation at Board level

    Re: Help me to calculate Setup and Holdtime violation at Board level Serial Peripheral Interface (SPI) is a easy solution for interfacing flash memory (Memory Card). The maximum SPI interface speed is not equal to the clock frequency. Therefore, you need to find the SPI protocol details. Then...
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    How to calculate Setup and Holdtime violation at Board level

    Re: Help me to calculate Setup and Holdtime violation at Board level you need to read the datasheet. You can find the timing diagram and then calculate by yourself.
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    matlab help to read a textfile

    filename = 'xxxx.txt' data = load(filename) data_bin = dec2bin(data) ... after that you can access by array indexing.. data_bin(i,end) is the first bit of the i-th value (located at index i).. or you can use mod(data(i), 2).. which gives whether the value is even or odd.. even means first bit...
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    [SOLVED] Using sim300 gsm module for GPRS

    I think this is the problem from your server side. I mean the www.google.com. You need to make your own server for customize request.
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    SIM900 Disable Incomming calls

    I tested this command in Bangladesh.. I works.. But my module was SIM548C
  11. R

    [SOLVED] Using sim300 gsm module for GPRS

    https://www.edaboard.com/threads/269168/
  12. R

    SIM900 Disable Incomming calls

    Each Network operator has some code for incoming bar, outgoing bar. As per I know for GSM it is *31*0000# (incoming bar) or *33*0000#(outgoing bar). Here 0000 is the password. you can change it also. just "ATD*31*0000#\r\n"..
  13. R

    Mean Root Mean Square and standard deviation

    **broken link removed** and wiki or just google each term
  14. R

    Uart communication between two different microcontrollers

    from high voltage mcu tx to low voltage mcu rx, use a simple resistive voltage divider. low voltage mcu tx connects directly to high voltage mcu rx. my logic is, there is low threshold voltage level for high voltage mcu that might be lower than 1.8v.

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