Keysight Technologies E4417A Service Manual page 75

9 Round off the DVM reading to the nearest microvolt and record this value as V
10 Turn the power reference on:
11 Record the reading on the DVM to two decimal places. This is V
12 Reconnect the negative lead to the VRF connector on the rear panel of the
13 Calculate the required value of V
14 Remove the power meter's cover and adjust A2R90 until the DVM indicates
Keysight E4416A/E4417A Power Meters Service Guide
– V ________________ V
0
– Disconnect the DVM negative input lead from the V
power meter and reconnect it to chassis ground.
Zero
– Press ,
Power Ref On
Cal
– V _____________V
comp
Keysight 432A. The DVM is now set up to measure V
power reference oscillator output level.
V 1 = V comp V 0 +
the calculated value of V
using equation 2.
1
V comp 2
–
10
( )
– –
. Refer to Figure 3-4
1
Adjustments
connector on the test
RF
which represents the
1
3
4R ) CalibrationFactor
( (
for the position of A2R90:
3
.
0
.
comp
)
81