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OPTIMUS STA-2160

Posted 29th June 2012 at 07:27 PM by Antoinel

Hello
Does anyone have the schematic of the power amp section of the subject AM/FM receiver? Please share it. Thank you
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Mathematics of DAC droop correction

Posted 29th June 2012 at 05:09 AM by abraxalito

Here's one of the clearest articles I've seen which explains the background and a couple of solutions to DAC roll-off.

Flatten DAC frequency response | EDN

Both the solutions proposed compromise the dynamic range. My own solution, a hybrid analog/digital approach relies on DACs being cheap - I've termed it 'LAID' which stands for 'Longitudinal Array of Inexpensive DACs'.
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