Article AD8348 and ADL5387 maintains performance at low frequencies

Q.

Is the performance of the AD8348 and ADL5387 maintained at low frequencies below the 50 MHz as specified on the datasheet?

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A.

The LO path on both the AD8348 and ADL5387 are DC coupled and because of this performance should be maintained as specified on the datasheet to below 1 MHz with a square wave LO.  It is important to input a square wave LO for the fast rise and fall times.

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