主要技术指标:
频率:在20Hz至2MHz范围内提供4位分辨率显示
基本精度:对高低阻抗的高精度重复性测量基本精度为0.05%
直流偏置
内置40V直流偏置（选件001）
使用选件002和42841A偏置电源可支持40 A直流偏置
Rdc测量(选件001)
产品规格：
20 Hz to 2 MHz E4980A E4980A
20 Hz to 1 MHz E4980AL-100 E4980A-100
20 Hz to 500 kHz E4980AL-050 E4980A-050
20 Hz to 300 kHz E4980AL-030 E4980A-030
更多特性
·20 Vrms测试信号（选件001）
·高速测量：5.6 ms
·201点列表扫描
·多功能电脑连接（LAN、USB和GPIB）
描述
E4980A精密LCR表可提供很好的准确度和速度，并且具有多种功能，可广泛应用于各种元件测量。无论是低阻抗范围还是高阻抗范围，E4980A均能提供极快的测量速度和出色的测量性能，是元件和材料的常规研发测试及制造过程测试的理想工具。LAN、USB和GPIB PC连通性能够提高设计和测试的生产率。
able 1. Trigger delay time
Range 0 s - 999 s
Resolution 100 μs (0 s - 100 s)
1 ms (100 s - 999 s)
Table 2. Step delay time
Range 0 s - 999 s
Resolution 100 μs (0 s - 100 s)
1 ms (100 s - 999 s)
Measurement terminal: Four-terminal pair
Test cable length: 0 m, 1 m, 2 m, 4 m
Measurement time modes: Short mode, medium mode, long mode.
Table 3. Averaging
Range 1 - 256 measurements
Resolution 1
Test signal
Table 4. Test frequencies
Test frequencies 20 Hz - 2 MHz
20 Hz - 1 MHz (Option 100)
20 Hz - 500 kHz (Option 050)
20 Hz - 300 kHz (Option 030)
Resolution 0.01 Hz (20 Hz - 99.99 Hz)
0.1 Hz (100 Hz - 999.9 Hz)
1 Hz (1 kHz - 9.999 kHz)
10 Hz (10 kHz - 99.99 kHz)
100 Hz (100 kHz - 999.9 kHz)
1 kHz (1 MHz - 2 MHz)
Measurement accuracy ± 0.01%
Table 5. Test signal modes
Normal Program selected voltage or current at the measurement
terminals when they are opened or short-circuited, respectively.
Constant Maintains selected voltage or current at the device under test
(DUT) independently of changes in impedance of DUT.
4
5
Signal level
Table 6. Test signal voltage
Range 0 Vrms - 2.0 Vrms
Resolution 100 μVrms (0 Vrms - 0.2 Vrms)
200 μVrms (0.2 Vrms - 0.5 Vrms)
500 μVrms (0.5 Vrms - 1 Vrms)
1 mVrms (1 Vrms - 2 Vrms)
Accuracy Normal ±(10% + 1 mVrms) Test frequency ≤ 1 MHz: spec.
Test frequency > 1 MHz: typ.
Constant1 ±(6% + 1 mVrms) Test frequency ≤ 1 MHz: spec.
Test frequency > 1 MHz: typ.
Table 7. Test signal current
Range 0 Arms - 20 mArms
Resolution 1 μArms (0 Arms - 2 mArms)
2 μArms (2 mArms - 5 mArms)
5 μArms (5 mArms - 10 mArms)
10 μArms (10 mArms - 20 mArms)
Accuracy Normal ±(10% + 10 μArms) Test frequency ≤ 1 MHz: spec.
Test frequency > 1 MHz: typ.
Constant1 ±(6% + 10 μArms) Test frequency < = 1 MHz: spec.
Test frequency > 1 MHz: typ.
Output impedance: 100 Ω (nominal)
Test signal level monitor function
• Test signal voltage and test signal current can be monitored.
• Level monitor accuracy:
Table 8. Test signal voltage monitor accuracy (Vac)
Test signal voltage2 Test frequency Specification
5 mVrms - 2 Vrms ≤ 1 MHz ± (3% of reading value + 0.5 mVrms)
> 1 MHz ± (6% of reading value + 1 mVrms)
Table 9. Test signal current monitor accuracy (lac)
Test signal current2 Test frequency Specification
50 μArms - 20 mArms ≤ 1 MHz ± (3% of reading value + 5 μArms)
> 1 MHz
Measurement display ranges
Table 10 shows the range of measured value that can be displayed on the screen.
For the effective measurement ranges, refer to Figure 1. impedance measurement
accuracy example .
Table 10. Allowable display ranges for measured values
Parameter Measurement display range
Cs, Cp ± 1.000000 aF to 999.9999 EF
Ls, Lp ± 1.000000 aH to 999.9999 EH
D ± 0.000001 to 9.999999
Q ± 0.01 to 99999.99
R, Rs, Rp, ± 1.000000 aΩ to 999.9999 EΩ
X, Z, Rdc
G, B, Y ± 1.000000 aS to 999.9999 ES
Vdc ± 1.000000 aV to 999.9999 EV
Idc ± 1.000000 aA to 999.9999 EA
θr ± 1.000000 arad to 3.141593 rad
θd ± 0.0001 deg to 180.0000 deg
Δ% ± 0.0001 % to 999.9999 %
a: 1 x 10-18, E: 1 x 1018