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Using the ADL5519 differential inputs

Question asked by JohnLaBelle on Dec 20, 2017
Latest reply on Dec 20, 2017 by jdobler

We are using the ADL5519 in an cable RF insertion loss measurement system.

We use the differential inputs to the ADL5519 for measuring RF signal levels in a 100 Ohm differential system.

The data sheet information for the ADL5519 only shows the device performance for 50 Ohm single ended input operation.

We are finding the ADL5519 performance at 10GHz is much better using the differential inputs than the data sheet shows for single ended input operation.

Can Analog device provide information about the ADL5519 performance when using the differential inputs?

John LaBelle, LCE, 12/20/2017