07 | Keysight | E4991B Impedance Analyzer - Data Sheet
Measurement Accuracy (continued)
at –40 dBm ≤ oscillator level < –33 dBm:
0.80 [%] (1 MHz ≤ Frequency ≤ 100 MHz)
0.90 [%] (100 MHz < Frequency ≤ 500 MHz)
1.20 [%] (500 MHz < Frequency ≤ 1 GHz)
2.20 [%] (1 GHz < Frequency ≤ 1.8 GHz)
4.20 [%] (1.8 GHz < Frequency ≤ 3 GHz)
Zs
Eb =
+Yo• Zx × 100 [%]
Zx
(|Zx|: measurement value of |Z|)
Ec = (see below) [%]
at 1 MHz ≤ frequency ≤ 10 MHz
0.08 × F
1000
0.03
|Zx|
0.03 +
+
[%] at |Zx| < 1 Ω
0.08 × F
1000
0.06 +
[%] at 1 Ω ≤ |Zx| ≤ 1.8 kΩ
|Zx|
0.08 × F
1000
0.03 +
+
[%] at |Zx| > 1.8 kΩ
60000
at 10 MHz < frequency < 100 MHz
0.08 × F
1000
0.03
|Zx|
0.05 +
0.06 +
0.05 +
+
[%] at |Zx| < 3 Ω
0.08 × F
1000
[%] at 3 Ω ≤ |Zx| ≤ 600 Ω
|Zx|
0.08 × F
1000
+
[%] at |Zx| > 600 Ω
60000
at 100 MHz ≤ frequency ≤ 3 GHz
0.08 × F
1000
0.03
|Zx|
0.03 +
0.06 +
0.03 +
+
[%] at |Zx| < 1 Ω
0.08 × F
1000
[%] at 1 Ω ≤ |Zx| ≤ 1.8 kΩ
|Zx|
0.08 × F
1000
+
[%] at |Zx| > 1.8 kΩ
60000
(F: frequency [MHz], typical)
Zs = (Specification values of “point averaging factor ≥ 8” is applied
only when point
averaging factors at both calibration and measurement are 8
or greater.)
at oscillator level = –3 dBm or –13 dBm:
(11 + 0.5 × F) [mΩ] (averaging factor ≥ 8)
(12 + 0.5 × F) [mΩ] (averaging factor ≤ 7)
at oscillator level = –23 dBm:
(12 + 0.5 × F) [mΩ] (averaging factor ≥ 8)
(16 + 0.5 × F) [mΩ] (averaging factor ≤ 7)
KEYSIGHT [ Keysight Technologies ]
