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Power Reference Oscillator Level Adjustment
3-10 Agilent E4418B/E4419B Service Guide
14.Remove the power meter’s cover and adjust A2R90 until the DVM
indicates the calculated value of V
1
. Refer to Figure 3-4 for the position
of A2R90:
Figure 3-4: A2R90 Adjustment Location
Measurement Uncertainty
Refer to Appendix B “Measurement Uncertainty Analysis – Power Reference Level
Test”
BT1
A2R90
A2L9
A2J13
J12
Front Panel
A2 Assembly