Differential Probe Shunt Resistor

Hi,

I’m about to use the CW501 with a High-Side Shunt.
According to the documentation, the shunt should be at R6. But what’s the reason for R18/R19?
They give me another 20 Ohms in series with the shunt resistor, which is too much for my application.
(My system can handle 3 Ohms before it becomes unstable.)

Also, can you explain what R8/R7 are good for?

Thanks!

-Jones

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