06 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
DC Bias Function
DC voltage bias
Range
0 to ± 40 V (see Figure 1)
1 mV
Resolution
Accuracy
± [0.1% + (5 + 30 × |Imon|) mV]
± [0.2% + (10 + 30 × |Imon|) mV] (beyond 23 ± 5 °C)
DC current bias
Range
0 to ± 100 mA (see Figure 1)
40 µA
Resolution
Accuracy
± [2% + (0.2 + |Vmon|/20) mA]
± [4% + (0.4 + |Vmon|/20) mA] (beyond 23 ± 5 °C)
DC voltage bias at constant voltage mode
Range
0 to ± 40 V (see Figure 1)
1 mV
Resolution
Accuracy
± [0.5% + (5 + Zd × |Imon|) mV] (typical)
± [1.0% + (10 + Zd × |Imon|) mV] (beyond 23 ± 5 °C, typical)
DC current bias at constant current mode
Range
0 to ± 100 mA (see Figure 1)
40 µA
Resolution
Accuracy
± [1% + (0.5 + |Vmon|/10000) mA] (typical)
± [2% + (1.0 + |Vmon|/5000) mA] (beyond 23 ± 5 °C, typical)
DC bias monitor
DC voltage range
DC voltage accuracy
(Same as the dc voltage bias setting range)
± [0.2% + (5 + Zd × |Imon|) mV]
± [0.4% + (10 + Zd × |Imon|) mV] (beyond 23 ± 5 °C)
DC current range
(Same as the dc voltage bias setting range)
DC current monitor accuracy
± [1% + (0.5 + |Vmon|/10000) mA]
± [2% + (1.0 + |Vmon|/5000) mA] (beyond 23 ± 5 °C)
Output impedance
25 Ω (nominal)
NOTE
Vmon : DC voltage bias monitor reading value [mV]
Imon
Zd
Zd
Zd
Zd
Zd
: DC current bias monitor reading value [mA]
= 0.3 (at four-terminal pair port of the E4990A, adapter setup: NONE)
= 2.0 (at test port of the 42941A, adapter setup: 42941A Impedance Probe)
= 0.5 (at 7-mm port of the 42942A, adapter setup: 42942A Terminal Adapter)
= 1.0 (at measurement port of the 16048G, adapter setup: four-terminal pair 1 m)
= 1.5 (at measurement port of the 16048H, adapter setup: four-terminal pair 2 m)
Figure 1. DC bias range
KEYSIGHT [ Keysight Technologies ]
