Atec Agilent-N5171B - Manual (Page 7)

7
Measured level accuracy at –140 dBm
Frequency (MHz)
Power error (dB)
1
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
0 1000 2000 3000 4000 5000 6000
Upper std dev (1 σ)
Mean
Lower std dev (1 σ)
Measured level accuracy at –110 dBm
Frequency (MHz)
Power error (dB)
1
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
Upper std dev (1 σ)
Mean
Lower std dev (1 σ)
0 1000 2000 3000 4000 5000 6000
Measurement level accuracy at –130 dBm
Frequency (MHz)
Power error (dB)
1
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1
Upper std dev (1 σ)
Mean
Lower std dev (1 σ)
0 1000 2000 3000 4000 5000 6000
Absolute level accuracy in CW mode 1 (ALC on) ()= typical
Range +24 to –60 dBm < –60 to –110 dBm < –110 to –127 dBm
9 to 100 kHz ± 0.6 dB (± 0.6) ± 0.9 dB (± 0.9)
100 kHz to 5 MHz ± 0.8 dB (± 0.3) ± 0.9 dB (± 0.3)
> 5 MHz to 3 GHz ± 0.6 dB (± 0.3) ± 0.8 dB (± 0.3) (± 0.5)
> 3 to 6 GHz ± 0.6 dB (± 0.3) ± 1.1 dB (± 0.3) (± 0.6)
Absolute level accuracy in CW mode (ALC off, power search run, relative to ALC on)
9 kHz to 6 GHz ± 0.15 dB, typical
Absolute level accuracy in digital I/Q mode (N5182B only)
(ALC on, relative to CW, W-CDMA 1 DPCH configuration < +10 dBm)
9 kHz to 6 GHz ± 0.25 dB, typical
1. Quoted specifications between 20 °C and 30 °C. For temperatures outside this range, absolute level accuracy degrades by 0.01 dB/°C. Output power
may drift up to 0.10 dB < 3 GHz and 0.15 dB > 3 GHz per g/kg change in absolute humidity (nom).