16
NOTE
f : frequency in MHz.
V
mV
: oscillator level in mV.
Temperature Coefficient of the Agilent 42941A Impedance Probe (SPC)
Proportional part (at 50 Ω measurement)
|Z| deviation [ppm/°C]
at frequency ≤1 MHz <5
at frequency >1 MHz
20 + 500
f
100
θ deviation [µrad/°C]
at frequency ≤1 MHz <5
at frequency >1 MHz,
30
f
≤5 MHz 5
at frequency >5 MHz,
50 + 150
f
≤30 MHz 30
at frequency >30 MHz 200
Residual part
Residual impedance
5
f
[mΩ/°C]
100
Residual admittance f
[µS/°C]
100
NOTE
f : frequency in MHz.
These characteristics apply when the temperature of the probe (tip to 30 cm)
is changed.
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