daffdaff
Junior Member level 1
The LCR meter detects the voltage, current and phase angle of DUT. Thus, The DUT can be represented as L, C or R. But, why we have to match the frequency of LCR meter to the frequency that DUT is tuned for? When we change the test frequency, the reactance must be changed. Causes the voltage, current and phase angle change. But value of R, L, C is the specific value of the DUT, It doesn't depend on the frequency?