336 Chapter 10
Specifications and Supplemental Performance Characteristics
Basic Characteristics
NOTE f: frequency in MHz.
VmV: oscillator level in mV.
Impedance Measurement Accuracy at 3.5-mm Port of the 42941A
Equation 10-3 shows the impedance measurement accuracy [%] at the 3.5-mm port of the
42941A Impedance Probe.
at oscillator level £ 125 mV
E
PBW
[%] =
at measurement BW = 5 0
at measurement BW = 4
frequency ³ 50 kHz 0.03
frequency < 50 kHz 0.06
at measurement BW = 3
frequency ³ 50 kHz 0.1
frequency < 50 kHz 0.2
at measurement BW = 2
frequency ³ 50 kHz 0.2
frequency < 50 kHz 0.4
at measurement BW = 1
frequency ³ 50 kHz 0.4
frequency < 50 kHz 0.8
K
BW
=
at measurement BW = 5 1
at measurement BW = 4 1
at measurement BW = 3 3
at measurement BW = 2 4
at measurement BW = 1 6
Y
ODC
=
at dc bias range = 1 mA 0 [S]
at dc bias range = 10 mA 1 [mS]
at dc bias range = 100 mA 10 [mS]
125
V
mV
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