
Chapter  3 445
Performance Verification Test Records
Agilent E4401B Performance Verification Test Record
 53 MHz (1)________  1.0 dB ±0.123 dB
 50.004 MHz
(Option 1DR only)
(2)________  1.0 dB ±0.123 dB
 1403 MHz (3)________  1.0 dB ±0.123 dB
35. Displayed Average 
Noise Level
Note: Enter data in the appropriate section below depending upon the 
input impedance and serial number of the analyzer.
50 Ω, 1 kHz RBW, Preamp 
Off
       400 kHz (1)________ –115 dBm ±1.23 dB
       1 MHz to 10 MHz (2)________ –115 dBm ±1.23 dB
       10 MHz to 500 MHz (3)________ –119 dBm ±1.23 dB
       500 MHz to 1 GHz (4)________ –117 dBm ±1.23 dB
       1 GHz to 1.5 GHz (5)________ –114 dBm ±1.23 dB
 50 Ω, 1 kHz RBW, 
Preamp On
       400 kHz (6)________ –131 dBm ±1.23 dB
       1 MHz to 10 MHz (7)________ –131 dBm ±1.23 dB
       10 MHz to 500 MHz (8)________ –135 dBm ±1.23 dB
       500 MHz to 1 GHz (9)________ –133 dBm ±1.23 dB
       1 GHz to 1.5 GHz (10)________ –131 dBm ±1.23 dB
 50 Ω, 10 Hz RBW, 
Preamp Off
       400 kHz (11)________ –134 dBm ±1.23 dB
       1 MHz to 10 MHz (12)________ –134 dBm ±1.23 dB
       10 MHz to 500 MHz (13)________ –138 dBm ±1.23 dB
       500 MHz to 1 GHz (14)________ –136 dBm ±1.23 dB
       1 GHz to 1.5 GHz (15)________ –133 dBm ±1.23 dB
Table 3-2  Agilent E4401B Performance Verification Test Record
Agilent Technologies
Model E4401B Report No. ___________ 
Serial No. ___________ Date ___________
Test Description Minimum Results 
Measured Maximum Measurement 
Uncertainty