Keysight 34972A - Page 293

Tutorial 7
Keysight 34970A/34972A User’s Guide 293
Where:
I
b
= DMM bias current
R
s
= DUT source resistance
R
i
= Input resistance (10 MΩ or > 10 GΩ)
C
i
= DMM input capacitance
Error (V) = I
b
X R
s
V
s
DMM
R
s
HI
LO
R
i
C
i
I
b