Device name: Keysight Impedance Analyzer E4991B;
Device description: The E4991B impedance analyzer has a frequency range of 1 MHz to 3 GHz and provides a basic accuracy of 0.65% over a wide impedance range.
Device functions:
Measurement parameters include |Z|, |Y|, θ, R, X, G, B, L, C, D, Q, |Γ|, Γx, Γy
±0.65% basic accuracy and 120 mΩ to 52 kΩ impedance range (10% measurement accuracy range);
0 V to ±40 V, 0 A to ±100 mA;
It can be used with a low-temperature probe station to perform variable temperature on-chip measurements.