I am making a project using AD7793 ic . I am new to this ic. I want to measure the different resistance ranges. using the internal current sources of 210uA, 10uA and 1mA I have successfully measured the resistance range from 10 ohms to 100 Kilo ohms by using ohms law.
My question is how can i measure the resistance from 0.1 ohm to 10 ohms and 100Kohm to 1Mohm. do i need additional external current sources for this like 1uA and 100mA ? or I can use the IC itself.
Also if there is any other way i could achieve this then please help me out.