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8 Specifications
Spurious responses
c), d)
(input related)
Spurious responses (residual)
for RL=-30 dBm (input att = 0 dB)
b) 95 % confidence level, includes absolute uncertainty, frequency response in all RL settings and temp. response. Valid for Spectrum and MCP mode.
c) Carrier offset of ≥100 kHz
d) Whichever is worse
8.3.3
RF input
Type
Return loss (typ.)
for RL ≥ -28 dBm (input attn ≥ 2 dB)
8.4
Spectrum analysis
Frequency span
Measurement principle
Reference level setting (RL)
Resolution bandwidths RBW
(-3 dB nominal)
Video bandwidth (VBW)
50 MHz Span
Sweep time
(typ.)
1 GHz Span
including
communication
over Ethernet
6 GHz Span
Type
Filter
Shape factor
(-3 dB / 60 dB)
Result Type
8.5
Multi channel power (option)
Measurement principle
Channel band width (CBW)
(-3 dB nominal)
Roll-off factor
Applied RBW (-3 dB)
34
< -50 dBc or RL -50 dB
< -80 dBm
NRA-2500
> 10 dB
NRA-2500
10 kHz to 2.495 GHz
Spectrum analysis with up to 600.000 samples (bins) per Result Type and Sweep
Set individually from a list or using the "RL Search" function
for determining the optimum measurement range at a given time
1 kHz to 1 MHz
(in steps of 1, 2, 3, 5,10,20...)
Off, 0.2 Hz to 2 MHz (depending on the selected RBW)
ASCII:
< 21 ms
BINARY:
< 17 ms
ASCII:
< 119 ms
BINARY:
< 88 ms
NA
ACT:
Displays current (actual) spectrum
MAX:
Maximum hold function
AVG:
Average over a selectable number of spectra (4 to 256)
or a selectable time period (1 to 30 minutes)
Max AVG: Maximum hold function after averaging over a defined number of spectra
Min:
Minimum hold function
Min AVG: Minimum hold function after averaging over a defined number of spectra
NRA-2500
Spectrum analysis, followed by Channel Power evaluation
Individually selectable for each channel, from 40 Hz to 6 GHz
Automatic: Frequency range of channel divided by 4 but not more than 20 MHz
Manually:
Can be set in the range of available RBWs of spectrum analysis, but not more than
CBW of channel divided by 4
NRA Series
< -60 dBc or RL -60 dB
< -90 dBm
NRA-3000 RX
N-connector, 50 Ω
> 12 dB
NRA-3000 RX
1 kHz to 2.999 GHz
10 Hz to 20 MHz
(in steps of 1, 2, 3, 5, 10, 20, ...)
(@ RBW = 0.5 MHz, 201 bins)
(@ RBW = 0.5 MHz, 201 bins)
(@ RBW = 1 MHz, 2001 bins)
(@ RBW = 1 MHz, 2001 bins)
NA
Gaussian
< 3.8 (typ.)
NRA-3000 RX
(Number of Channels 1 to 500)
< 4 * RBW / CBW
NRA-6000 RX
> 12 dB for f ≤ 4.5 GHz
> 10 dB for f > 4.5 GHz
NRA-6000 RX
1 kHz to 5.999 GHz
ASCII:
< 875 ms
BINARY: < 500 ms
(@ RBW = 0.5 MHz, 24001 bins)
NRA-6000 RX
Narda
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