AD9958 DUT Detection problem


Hi

I am using ad9958 in pc mode.  a red splash screen stating "DUT not detected" is appearing instead of green one.

it all happened sudden earlier it was working properly.

CR_2 usb is blinking and CY_USB is connected but DUT detection is getting failed.i stucked suddenly.

i doubt on hardware id's

USB\VID_0456&PID_EE25&REV_0000

USB\VID_0456&PID_EE25

please give me a solution to come out from this problem

Thanks

Parents
  • Measure your voltage from GND to DVDD (1.8V) on your TB1 component.  

    I got the same error if this does not get any power.  

    Then measure the capacitors C54 and C56, these should be receiving the 1.8 Volts if they are connected.  

    The DVDD 1.8 Volts did not draw until I had the J10 powered with 1.8 Volts.

Reply
  • Measure your voltage from GND to DVDD (1.8V) on your TB1 component.  

    I got the same error if this does not get any power.  

    Then measure the capacitors C54 and C56, these should be receiving the 1.8 Volts if they are connected.  

    The DVDD 1.8 Volts did not draw until I had the J10 powered with 1.8 Volts.

Children
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