6 Specifications and Characteristics
106 U3402A User’s and Service Guide
[1]
Reference impedance is displayed on the secondary display.
[2]
Reading displayed in watts (Audio power).
[3]
For calibration use only.
Measurement Specification
Measurement
Noise Rejection
Common mode reject
ratio (CMRR) for 1 k
W
unbalanced LO lead
50/60 Hz ± 0.1%: DC >90 dB
Normal mode rejection
ratio (NMRR)
50/60 Hz ± 0.1%: >50 dB
dBm Operation 0 dBm 1 mW at 600
W
reference impedance
Resolution
Slow: 0.01 dB for all ranges
Medium: 0.01 dB for all ranges
Fast: 0.1 dB for all ranges
Reference impedance
[1]
2
W
[2]
, 4
W
[2]
, 8
W
[2]
, 16
W
[2]
, 50
W
, 75
W
, 93
W
, 110
W
,
124
W
, 125
W
, 135
W
, 150
W
, 250
W
, 300
W
, 500
W
, 600
W
, 800
W
, 900
W
, 1000
W
, 1200
W
, or 8000
W
Math Operation dBm, Rel, MinMax, Comp, Hold
I/O Interface
RS232
[3]
Table 6-13 Supplemental measurement specifications
When V
ac+dc
measurement function is selected, the VDC input impedance is parallel with
an AC-couples 1.1 M
W
divider.
U3402-90001.book Page 106 Friday, July 24, 2009 4:04 PM
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