6 Specifications and Characteristics
104 U3402A User’s and Service Guide
• Gate time
• 0.1 second or 1 period of the input signal, whichever is longer
• Input impedance
• 1 MW ± 2% in parallel with <120 pF of all ranges
• Maximum input voltage
• 750 V RMS /1100 V PEAK
• 2x10
7
V-Hz product on any range, normal mode input
• 1x10
6
V-Hz product on any range, common mode input
• Input protection
• 750 V RMS on all ranges
• Response time
• Approximately 1.5 seconds when the displayed reading reaches 99.9% of frequency value
Measurement Noise Rejection
• Common mode reject ratio (CMRR) for 1 kW 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
Table 6 - 9 Supplemental measurement specifications (continued)
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