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Chapter 2 55
Agilent E4408B Specifications and Characteristics
Amplitude
Agilent E4408B Specifications and
Characteristics
Specifications Supplemental Information
Display Scale Fidelity
Log Maximum Cumulative
RBW ≥ 1 kHz
0 to 85 dB Below
Reference
Level
±(0.3 dB + 0.01 × dB from
reference level)
RBW ≤ 300 Hz (Option 1DR)
Span > 0 Hz
Auto range On
0 to 98 dB
a
below
reference level
±(0.3 dB + 0.01 × dB from
reference level)
> 98 to 120 dB below
reference level
±2.0 dB, characteristic
Auto range Off
b
0 to 60 dB
a
below
reference level
±(0.3 dB + 0.015 × dB from
reference level)
> 60 to 70 dB below
reference level
±1.5 dB
Span = 0 Hz
0 to 60 dB
a
below
reference level
±(0.3 dB + 0.015 × dB from
reference level)
> 60 to 70 dB below
reference level
±1.5 dB
Log Incremental Accuracy
0 to 80 dB
a,c
below reference
level
±0.4 dB/4 dB
Linear Accuracy ±2% of Reference Level
a. 0 to 30 dB for RBW = 200 Hz
b. The SCPI command for auto range off is:
(:DISPlay:WINDow:TRACe:Y[:SCALe]:LOG:RANGe:AUTO OFF)
c. 0 to 50 dB for RBWs ≤ 300 Hz and span = 0 Hz, or when auto ranging is off.