Appendix A: Specifications
24
P7350 5 GHz Differential Probe Instruction Manual
Table 4: Typical electrical characteristics (Cont.)
Characteristic
Description
DC Voltage Measurement Accuracy
(referred to input)
±
[(2% of input relative to offset) + (2% of offset) +
62.5 mV + 50.0 mV]
gain error =
±
2% of input voltage relative to offset
offset gain error =
±
2% of effective offset at probe
tip
output zero =
±
62.5 mV effective at probe tip
linearity error =
±
1.0% of 5.0 V dynamic range
(50.0 mV)
Figure 12 shows the typical common-mode and differential gain of
the probe. The CMRR can be found by subtracting the common-
mode gain from the differential gain. For example, --80 dB CM gain
equals approxi64 dB CMRR.
--10
--20
--30
--40
--50
--60
--70
--80
1 GHz
Frequency
--90
10 MHz
100 kHz
1 MHz
100 MHz
6 GHz
Differential Mode Gain
Common Mode Gain
CMRR
0 dB
Figure 12: Typical common- and differential-mode gain plots
