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ADL5801 RF Side performance below 10MHz

Question asked by Laid on Jan 30, 2013
Latest reply on Jan 31, 2013 by Laid



As far as I can tell the ADL5801 is one of the very few broadband mixers in the list what has both, the RF and LO inputs buffered internally. I am working on a design what requires downconverter to be able to accept as low as 1MHz on the RF side. While recognizing that the mixer of choice should probably be AD8342 on that case,  could you please elaborate if the ADL5801 could still be of any practical use at 1MHz (although likely with a large performance penalty) or will it be not usable at all? What part of the circuitry inside the chip will halt first, if the frequency will be lowered below the specs?