AnsweredAssumed Answered

ADRF6755'S Attenuator not works correctly

Question asked by ipride on Jul 19, 2013
Latest reply on Aug 2, 2013 by TimM

Hello everyone,

 

I am working an upconveter by ADRF6755 using the samples ADI offered. Now everything seemed OK but

1) The output power is only -30dBm

2) The CR30 register has nothing effect on control the attenuator , whart ever value input.

 

I confirm the I2C operation is correct, because other register is functioning well by the same I2c operation. More over I can watch the timing by oscilloscope , it works perfectly.

 

Do you have any suggestion to solve my trouble?

 

the LOT ID of  my samples is AH64462.7, date code is 1206,

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