connecting output of AD9854 DDS to ADL5375-05 modulator

Document created by khezr.edalati@isdg.be on Nov 5, 2014
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we have connected the output I/Q of the AD9854 to ADL5375-05 ,with a 500mv dc ,

the Rset is 2.2Kohm to have a current of app 9mA,

with two 51ohm resistor and a 100 ohm swing limiter resistor, but we dont get 0dBm at the output of mixer,

what can be wrong in our design?

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