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Hi dear folks of this forum. I need your help in identifying one broken part on the DSO 6054A. I am attaching a picture of the part along with the ref number. Also the scope doesn't read any signal on all 4 channels. I think U3505 is a +12V LDO and U3507 is a 3.3V LDO but need to confirm before I replace them. U3505 and U3507 ?? Thanks'
Dear ADS members I need to generate 64-QAM signal in ADS schematic to simulate a transceiver system. There is an example in ADS with 16 QAM. Could anyone be kind enough to show me the way to do it? The example of 16 QAM can be found in the design guide of ADS with path 'Design guide>RF system>communication example> 16 QAM'