2-12 Electronic Calibration Modules Reference Guide
Preparing ECal for Use
Operating and Safety Precautions
2-
Input Power Level
Operating Temperature
The temperature of the ECal module must be within the following temperature
range to meet the operating specifications.
— N755xA Series: +15 °C to +35 °C and up to 75% relative humidity (RH).
— N469xD Series: +20 °C to +26 °C and up to 95% relative humidity (RH) at
40 °C, non-condensing.
— N443xD Series: +20 °C to +26 °C and up to 95% relative humidity (RH) at
40 °C, non-condensing.
For more details, see “Environmental Specifications” on page 5-2.
Before performing a calibration, make sure the input power and DC levels
do not exceed the values indicated in Table 2-10.
Table 2-10 Input Power Limits
Parameter ECal Module Series
N755xA N469xD N4431/2/3D
Typical Maximum Input Power (linearity)
a,
b
a. If the maximum input power is exceeded when calibrating, compression may occur.
b. When using the PNA-X, the power level can be increased after calibration with minimal
impact on measurement accuracy.
–15.0 dBm –5.0 dBm -7.0 dBm
Typical Maximum DC Level Applied to Test Port
c
c. Maximum DC level applied to test port, where Option 0DC for N469xD and N443xD is set to 0
volts.
0 Volts
±10 Volts
± 3 Volts
Typical Damage Level
+10.0 dBm +10.0 dBm +20.0 dBm
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