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Recent content by K'unI

  1. K

    JTAG Flash programming in ARM7TDMI based project

    arm7 based jtag project Hello, Everyone, I have a question. What' "Intel® JTAG cable" has anyone know? Because Intel has remove all data on the Website. it is same "LART Jtag" ?
  2. K

    The limitations of FM headphones

    Re: FM Hi,currently have a receiver module include a de-emphasis function(alway enable). How do measure separate of L&R channels? I have below instrument set 1. FM stereo signal generator can setting a. modulation index (0~90%, pilot is 10%), b. pre-emphasis function...
  3. K

    How to improve GSM sensitivity of some channels?

    conducted sensitivity if in same band others channel is under -107dBm of sensitifity, please check 1. receive path & track in PCB stack? 2. Is controll signal cross talk? 3. tracevier & LNA power supply 4. I/Q DC offset
  4. K

    Talk about RF layout experiences about mobile phone.

    due to switch fail, usually is PA Ramping up/down not tuning balance(smooth) not T/R switch, beacuse the T/R switch is a passive component, so it not affected transmission spectrum. or maybe is power supply trace or decoupe capacitor placement issue.
  5. K

    Designing Digital Signal Processing with FPGAs

    Sorry!! remove it! /Read Rules! Do not post links and addresses of sites with illegal soft. (klug)/
  6. K

    Looking for info about GSM switching/debugging

    Re: GSM switching the due to switch is PA on/off side efficent so check you ramp profile and PA power de-coupe capacitance maybe too small
  7. K

    [Qestion] How do setting environment variable of EN2002

    Hi, First, Thank you read topic I have a EN2002 Design Files But I don't know setting environment variable at Win2K/XP, so I cann't open it. :( If you know how do, please tell me. Thank in advance!! have a nice year, happy new year!!
  8. K

    [Question] About Cypress CY7C637xx

    Thanks. Usbman will try your idea maybe it re-enumeration is fail
  9. K

    [Question] About Cypress CY7C637xx

    Hi, everybody I have a project. It use a Cypress enCoRe CY7C63723, implement HID Device use refrence code from Cypress WebSite(i.e. Optic Mouse) but it cann't pass USBCV check, (USBCheck is OK under Win2K and USB 1.1) only use USB 1.1(plug Host and Hub is OK) or directly plug USB 2.0 Host...

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