Specifications

Figure 5-45. External DC bias measurement setup
5.13.1 External DC voltage bias protection in 4TP configuration
If the measurement frequency is above 2 MHz or the type of DUT is not suitable for these external
bias fixtures, it is recommended that a protective circuit, shown in Figure 5-46, is used. This circuit
is usable with bias voltage up to ±200 V. To reduce the effects of this additional circuit, perform the
open/short compensation with no bias voltage applied.
Figure 5-46. External DC voltage bias protection circuit
5-35