Keysight Technologies E4417A Service Manual page 30

11 Connect the 30 dB reference attenuator as shown in
Power Meter
CHANNEL A
Figure 2-3 Test Setup With Attenuator Connected
12 Take a measurement:
13 Record the values displayed on both the power meter and DVM displays. Note
These values tend to drift. They must therefore be recorded simultaneously or
NOTE
with as small a delay as possible between them.
14 Repeat step 13 a further 49 times to obtain a set of 50 pairs of measured
15 Calculate the measurement error for each pair of measured values using the
x
Keysight E4416A/E4417A Power Meters Service Guide
Power ref
Power Sensor
Power sensor cable
Attenuator
red
Power sensor cable
Wait 30 seconds to allow the power level to settle, then press
the power meter.
down the values in
values.
following equation:
DVMValue PowerMeterValue
(
–
⎛
= - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
⎝
DVMValue
Breakout box
black
Table 2-2.
Performance Tests
Figure 2-3:
Digital Voltmeter
)
⎞
100 %
×
⎠
2
+ input
− input
on
Measure
35