Atec Agilent-8990B - Manual (Page 10)

10
8990B Peak Power Analyzer Specifications
Key specifications
RF input channels 2
Video input channels 2
Maximum real time sampling
rate 100 MSa/s 1 (Real Time), 1 GSa/s 1 (ETS On), 20 GSa/s 2
Maximum capture length 1 s
Memory depth max 2M points
Instrumentation linearity ± 0.8%
Rise time/fall time ≤ 5 nsec (for frequencies ≥ 500 MHz) 3
RF inputs (channels 1 & 4)
Frequency range 50 MHz to 40 GHz
Dynamic range –35 dBm to +20 dBm
Measurement unit linear (Watt) or Log (dBm) selectable
Video bandwidth 160 MHz 4
Minimum pulse width 50 ns
Maximum pulse repetition rate 10 MHz
Input coupling 50 Ω
Vertical scale • 0.01 dB/div to 100 dB/div in 1-2-5 sequence or any arbitrary scaling, user defined
• 1 uW/div to 1 kW/div in 1-2-5 sequence or any arbitrary scaling, user defined
Offset ± 99 dBm with 0.01 dB resolution
ETS threshold 500 ns, 1 µs, 2 µs, 5 µs, 10 µs
Video inputs (channels 2 & 3)
General characteristics
Video bandwidth
1 GHz
Input impedance 50 Ω ± 2.5%, 1 MΩ ± 1% (11 pF typical)
Input coupling • 1 MΩ: AC (3.5 Hz), DC
• 50 Ω: DC
Vertical scale • 1 MΩ: 1 mV/div to 5 V/div in 1-2-5 sequence or any arbitrary scaling, user defined
• 50 Ω: 1 mV/div to 1 V/div in 1-2-5 sequence or any arbitrary scaling, user defined
DC gain accuracy ± 2% of full scale at full resolution on channel scale ± 5 ˚C from cal temp
Offset accuracy ± (1.25% of channel offset +1% of full scale + 1 mV) 5
Maximum input voltage 1 MΩ: 150V RMS or DC, CAT I
± 250 V (DC + AC) in AC coupling
Offset range
Vertical sensitivity Available offset
1 MΩ 1 mV to < 10 mV/div
10 mV to < 20 mV/div
20 mV to < 100 mV/div
100 mV to < 1 V/div
1 V to 5 V/div ± 2 V
± 5 V
± 10 V
± 20 V
± 100 V
50 Ω ± 12 div or ± 4 V, whichever is smallest
1. For RF input channel 1 and 4.
2. For video input channel 2 and 3
3. Specification applies only when the Off video bandwidth is selected
4. Video bandwidth tested by measuring peak-to-average on a two-tone
separation signal at +10 dBm, frequency set at 1 GHz. Test limit set at
2 dB roll off from the nominal 3 dB peak-to-average flatness graph.
5. 50 Ω input: Full scale is defined as 8 vertical divisions. Magnification is
used below 10 mV/div, full-scale is defined as 80 mV. The major scale
settings are 5 mV, 10 mV, 20 mV, 50 mV, 100 mV, 200 mV, 500 mV, 1V.
1 MΩ input: Full scale is defined as 8 vertical divisions. Magnification is
used below 5 mV/div, full-scale is defined as 40 mV. The major scale set-
tings are 5 mV, 10 mV, 20 mV, 50 mV, 100 mV, 200 mV, 500 mV, 1 V, 2 V, 5 V.