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How to implement flexible gain settings using the ADA4960-1

Question asked by Bernhard on Mar 16, 2013
Latest reply on Mar 22, 2013 by Bernhard

The ADA4960 datasheet mentions:

 

"The buffered inputs of the ADA4960-1 isolate the gain-setting

resistor (RG) from the signal inputs, maintaining a constant 10 kΩ

input resistance, easing matching and input drive requirements."

 

Does this affect the behaviour of the feedback resistor? Can I use several gain resistors switched by a coax relay?

What is the best way to implement 2 or 3different gain settings?

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