We buy several lots of ADL5331 for our project, but found some error at one of lots.
Below are our test report for your reference.
Could you give some suggestion?
Test Passed ADL5331 (total 500 pcs, all passed)
Input 737MHz, -28dBm
ADL5331 test result: Pass (total 500 pcs, all pass)
(Datecode: 1432, 1510), Packaging factory: Amkor-Korea
Test Failed ADL5331 (Total 300 pcs, all failed)
Input 737MHz, -25dBm
ADL5331 test result: Fail (Total 300 pcs, all failed)
(Datecode: 1605), Packaging factory: Amkor-Philippines
The output waveform seems distortion.
Here show the measure points of input and output, and attached the schematic.