Technical data
Specifications and Characteristics 6
U3401A User’s and Service Guide 95
dBm Operation
• 0 dBm
• 1 mW at 600 Ω reference impedance
• Resolution
• 0.01 dB for all ranges
• Reference impedance
[1]
• 2 Ω
[2]
, 4 Ω
[2]
, 8 Ω
[2]
, 16 Ω
[2]
, 50 Ω, 75 Ω, 93 Ω, 110 Ω, 124 Ω, 125Ω, 135 Ω, 150 Ω, 250 Ω,
300 Ω, 500 Ω, 600 Ω, 800 Ω, 900 Ω, 1000 Ω, 1200 Ω, 8000 Ω
Math Operation
• dBm, Rel, MinMax, COMP, Hold, Percentage
I/O Interface
• RS232
[3]
Notes:
1 Reference impedance is displayed on the secondary display.
2 Reading displayed in watts (Audio power).
3 For calibration use only.
Table 6 - 9 Measurement specifications (continued)
NOTE
When V
ac+dc
measurement function is selected, the VDC input impedance is parallel with
an AC-couples 1.1 MΩ divider.