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ADL5380 AD8366 and AD9684 Filter Integration

Question asked by Ma_Li on Jun 20, 2017

Hi everyone,

I have a receiver design with ADL5380,AD8366 and AD9684 and I read some application note about them.I designed bandpass filter which is 70 MHz center freq. 40 MHz bandwidth. Filter is in below.


My question is this filter fit for the DC coupled or should I put capacitor  the input and output of the filter for the AC coupled.


Between the AD8366 and AD9684 I design in below. Yellow part is filter and orange part is the circuit of ad9684 eval board. Is this combination applicable or not ?

Thanks in advance