HP 8590 E-Series, Calibration Manual

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Amplitude Specications
Input Attenuator
Range 0 to 60 dB , in 10 dB steps
IF Bandwidth Switching Uncertainty (At reference level, referenced to 3 kHz IF BW)
3 kHz to 3 MHz IF BW 60.4 dB
1 kHz IF BW 60.5 dB
30 Hz to 300 Hz IF BW 60.6 dB
Linear to Log Switching 60.25 dB at reference level
Display Scale Fidelity
Log Maximum Cumulative
0 to 070 dB from Reference Level
3 kHz to 3 MHz IF BW 6 (0.3 dB + 0.01 2 dB from reference level)
IF BW 1 kHz 6 (0.4 dB + 0.01 2 dB from reference level)
Log Incremental A ccuracy
0 to 060 dB from Reference Level 60.4 dB/4 dB
Linear A ccuracy 63% of reference level
4-10 HP 8591EM Specications and Characteristics