12 | Keysight | E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Data Sheet
Impedance measurement accuracy at four-terminal pair port (continued)
20 Hz ≤ fm < 100 Hz: 10 n
100 Hz ≤ fm ≤ 200 kHz: 2.5 n
Yo [S]
200 kHz < fm ≤ 1 MHz: 5 n
1 MHz < fm ≤ 15 MHz: 50 n
15 MHz < fm ≤ 120 MHz: 500 n
0 m: 0
1 m (16048G), 2 m (16048H):
20 Hz ≤ fm < 500 Hz: 5 m
500 Hz ≤ fm ≤ 120 MHz: 2 m
Zsl [Ω]
Meas Time 5: 1
Meas Time 4: 1
Kbw
Meas Time 3: 3 at ≤ 1 MHz, 4 at > 1 MHz
Meas Time 2: 4 at ≤ 1 MHz, 5 at > 1 MHz
Meas Time 1: 6 at ≤ 1 MHz, 10 at > 1 MHz
Vosc > 500 mV: 2
200 mV < Vosc ≤ 500 mV: 1
100 mV < Vosc ≤ 200 mV: 200/Vmv
Kzosc
V
osc ≤ 100 mV: 100/Vmv
20Hz ≤ fm < 100 Hz: 10 m
100Hz ≤ fm ≤ 120 MHz: 2.5 m
Zs [Ω]
NOTE
fm : measurement frequency
f
: frequency [MHz]
Vosc : oscillator level
Vmv : Vosc [mV]
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