at measurement BW = 3
at measurement BW = 2
at measurement BW = 1
3
4
6
YODC
=
at dc bias range = 1 mA
at dc bias range = 10 mA
at dc bias range = 100 mA
0 ±S]
1 ±µS]
10 ±µS]
NOTE
f : frequency in MHz.
VmV : oscillator level in mV.
Impedance Measurement Accuracy at 3.5-mm Port of the Agilent 42941A
Equation 3 shows the impedance measurement accuracy [%] at 3.5-mm port of
the 42941A Impedance Probe.
Equation 3. Impedance Measurement Accuracy [%] at 3.5-mm Port of the Agilent 42941A
Zs'
.
ꢁ Yo' |Zx|
ꢀ 100
E = Ep' ꢁ
(
)
|Zx|
Where,
EP' = EPBW ꢁ EPOSC ꢁ EP ±%]
YO' = KBW X KyOSC X (YODC ꢁ YO) ±S]
ZS' = KBW X KzOSC X ZS ±Ω]
Yo, Ep, Zs: See Figure 3 on page 17.
Eposc ±%] =
f
VmV
500
at oscillator level >500 mV
ꢀ
– 1
(
)
100
at oscillator level >125 mV,
0
≤500 mV
125
at oscillator level ≤125 mV
– 1 ꢀ (0.05 ꢁ EPBW
)
(V )
mV
Kyosc
=
at oscillator level ≥500 mV
at oscillator level <500 mV
1
500
VmV
14
AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
