Marker frequency counter, Frequency span (fft and swept mode), Sweep time and triggering – Atec Agilent-N9000A-CXA User Manual
Page 5: Time gating, Sweep (trace) point range, Resolution bandwidth (rbw), Analysis bandwidth, Video bandwidth (vbw), Measurement speed
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Marker frequency counter
Accuracy
± (marker frequency x frequency reference accuracy + 0.100 Hz)
Delta counter accuracy
± (delta frequency x frequency reference accuracy + 0.141 Hz)
Counter resolution
0.001 Hz
Frequency span (FFT and swept mode)
Range
0 Hz (zero span), 10 Hz to maximum frequency of instrument
Resolution
2 Hz
Accuracy
Swept
FFT
± (0.25 % x span + horizontal resolution)
± (0.10 % x span + horizontal resolution)
Sweep time and triggering
Range
Span = 0 Hz
Span ≥ 10 Hz
1 μs to 6000 s
1 ms to 4000 s
Accuracy
Span ≥ 10 Hz, swept
Span ≥ 10 Hz, FFT
Span = 0 Hz
± 0.01 % nominal
± 40 % nominal
± 1 % nominal
Trigger
Free run, line, video, external 1, RF burst, periodic timer
Trigger delay
Span = 0 Hz or FFT
Span ≥ 10 Hz, swept
Resolution
–150 to +500 ms
1 μs to 500 ms
0.1 μs
Time gating
Gate methods
Gate length range (except method = FFT)
Gate delay range
Gate delay jitter
Gated LO; gated video; gated FFT
100.0 ns to 5.0 s
0 to 100.0 s
33.3 ns p-p nominal
Sweep (trace) point range
All spans
1 to 40001
Resolution bandwidth (RBW)
Range (–3.01 dB bandwidth)
1 Hz to 3 MHz (10 % steps), 4, 5, 6, 8 MHz
Bandwidth accuracy (power)
1 Hz to 750 kHz
820 kHz to 1.2 MHz (< 3 GHz CF)
1.3 to 2.0 MHz (< 3 GHz CF)
2.2 to 3 MHz (< 3 GHz CF)
4 to 8 MHz (< 3 GHz CF)
± 1.0 % (± 0.044 dB) nominal
± 2.0 % (± 0.088 dB) nominal
± 0.07 dB nominal
± 0.15 dB nominal
± 0.25 dB nominal
Bandwidth accuracy (–3.01 dB)
RBW range
1 Hz to 1.3 MHz
± 2 % nominal
Selectivity (–60 dB/–3 dB)
4.1:1 nominal
EMI bandwidth (CISPR compliant)
200 Hz, 9 kHz, 120 kHz, 1 MHz
(Option EMC or W6141A
required)
EMI bandwidth (MIL STD 461E compliant) 10 Hz, 100 Hz, 1 kHz, 10 kHz, 100 kHz, 1 MHz
(Option EMC or W6141A
required)
Analysis bandwidth
1
Maximum bandwidth
Option B25
Standard
25 MHz
10 MHz
Video bandwidth (VBW)
Range
1 Hz to 3 MHz (10 % steps), 4, 5, 6, 8 MHz, and wide open (labeled 50 MHz)
Accuracy
± 6 % nominal
Measurement speed
2
Local measurement and display update
rate
11 ms (90/s) nominal
Remote measurement and LAN transfer
rate
6 ms (167/s) nominal
Marker peak search
5 ms nominal
Center frequency tune and transfer
22 ms nominal
Measurement/mode switching
75 ms nominal
1. Analysis bandwidth is the instantaneous bandwidth available around a center frequency over which the input signal can be digitized
for further analysis or processing in the time, frequency, or modulation domain.
2. Sweep points = 101.