[USRP-users] ADC self-test failed

Martin Braun martin.braun at ettus.com
Wed Jul 5 18:01:15 EDT 2017


Does this happen intermittently? Or every time?

-- M

On 06/13/2017 01:55 PM, Sam Vogel via USRP-users wrote:
> Hi All, I’m running into an issue with our x300 revision E.  Any help
> resolving this is greatly appreciated.
> 
> Following the procedure to recover the EEPROM yields a problem.
> 
> [vogels at lprbld12 utils]$ ./usrp_burn_mb_eeprom
> --args="recover_mb_eeprom,addr=192.167.10.111" --values="revision=5"
> 
> Creating USRP device from address: recover_mb_eeprom,addr=192.167.10.111
> 
> -- X300 initialization sequence...
> 
> -- Determining maximum frame size... 8000 bytes.
> 
> -- Setup basic communication...
> 
> -- Loading values from EEPROM...
> 
>  
> 
> UHD Warning:
> 
>     UHD is operating in EEPROM Recovery Mode which disables hardware
> version checks.
> 
>     Operating in this mode may cause hardware damage and unstable radio
> performance!
> 
> -- Setup RF frontend clocking...
> 
>  
> 
> UHD Warning:
> 
>     Environment variable 'USRP_X300_REFERENCE_CLOCK_RATE_HZ' not found,
> defaulting to reference clock rate of 10000000.000000 Hz
> 
> -- Using specified reference / master clock rates of 10.0 / 200.0 MHz
> 
> -- Radio 1x clock:200
> 
> -- Initialize Radio0 control...
> 
> -- Performing register loopback test... pass
> 
> -- Initialize Radio1 control...
> 
> -- Performing register loopback test... pass
> 
> Error: RuntimeError: ADC self-test failed! Ramp checker status:
> {ADC0_I=Bit Errors!, ADC0_Q=Bit Errors!, ADC1_I=Good, ADC1_Q=Good}
> 
>  
> 
> Thanks !
> 
> -Sam
> 
> 
> 
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> 





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