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E4980A-301 Datasheet, PDF (30/38 Pages) Keysight Technologies – Precision LCR Meter | |||
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30 | Keysight | E4980A Precision LCR Meter 20 Hz to 2 MHz, E4980AL Precision LCR Meter 20 Hz to 300 kHz/500 kHz/1 MHz â Data Sheet
Supplemental Information
Settling time
Table 51. Test frequency setting time
Test frequency setting time
5 ms
12 ms
22 ms
42 ms
Test frequency (Fm)
Fm ⥠1 kHz
1 kHz > Fm ⥠250 Hz
250 Hz > Fm ⥠60 Hz
60 Hz > Fm
Table 52. Test signal voltage setting time
Test signal voltage setting time
11 ms
18 ms
26 ms
48 ms
Test frequency (Fm)
Fm ⥠1 kHz
1 kHz > Fm ⥠250 Hz
250 Hz > Fm ⥠60 Hz
60 Hz > Fm
Switching of the impedance range is as follows:
⤠5 ms/ range switching
Note
Discharge capacitors before connecting them
to the UNKNOWN terminal or a test fixture to
avoid damages to the instrument.
Measurement circuit protection
The maximum discharge withstand voltage, where the internal circuit remains protected
if a charged capacitor is connected to the UNKNOWN terminal, is given below.
Table 53. Maximum discharge withstand voltage
Maximum discharge withstand voltage
Range of capacitance value C of DUT
1000 V
ââ2â/âC V
C < 2 µF
2 µF ⤠C
1200
1000
800
600
400
200
0
1.Eâ15
1.Eâ13
1.Eâ11
1.Eâ09
1.Eâ07
Capacitance [F]
Figure 8. Maximum discharge withstand voltage
1.Eâ05
1.Eâ03
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