Using a matching 50 Ohm resistor on the output of the LTC6228 to be able to use SMA connector

Question

Dear all,

I'm designing an transimpedance amplifier as follows: 
 
 Do I need to put a 50 Ohm resistor on the output pin of the operation amplifier to be able to use the SMA connector? or I can just connect it directly with the resistor? 
 
 Regards,

GLADION · Accepted Answer

Hi Andromeda8 , 
 
 Good day. The 50-ohm resistor on the output pin is a way to ensure the stability of the circuit. I recommend to include it in the design. Thank you. 
 Regards, Gilbeys)

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Using a matching 50 Ohm resistor on the output of the LTC6228 to be able to use SMA connector