Filter
Top Products
320 Chapter 2
Performance Verification Tests
37. Displayed Average Noise Level: Agilent E4404B and E4405B
Measure DANL 1 GHz 2 GHz 1 kHz Off 2)
Measure DANL 2 GHz 3 GHz 1 kHz Off 3)
Measure DANL 3 GHz 6 GHz 1 kHz Off 4)
Measure DANL 6 GHz 6.7 GHz 1 kHz Off 5)
B Measure DANL 10 MHz 1 GHz 1 kHz On 6/17)
Measure DANL 1 GHz 2 GHz 1 kHz On 7/18)
Measure DANL 2 GHz 3 GHz 1 kHz On 8/19)
C Measure DANL 10 MHz 1 GHz 10 Hz Off 9)
Measure DANL 1 GHz 2 GHz 10 Hz Off 10)
Measure DANL 2 GHz 3 GHz 10 Hz Off 11)
Measure DANL 3 GHz 6 GHz 10 Hz Off 12)
Measure DANL 6 GHz 6.7 GHz 10 Hz Off 13)
D Measure DANL 10 MHz 1 GHz 10 Hz On 14/20)
Measure DANL 1 GHz 2 GHz 10 Hz On 15/21)
Measure DANL 2 GHz 3 GHz 10 Hz On 16/22)
a. There are two possible entries for measurements made with the preamplifier on,
depending upon the ambient temperature. The first entry is for measurements
made with an ambient temperature outside of the 20
° to 30° C range, but within
the 0
° to 55° C range. The second entry is for measurements made with an ambi-
ent temperature within the 20
° to 30° C range.
Table 2-88 DANL Measurement Sequence, E4405B
Subset Procedure
Procedure Parameters
Test
Record
Entry
a
Start
Freq
Stop Freq
Test
RBW
Preamp
State
A Measure DANL 10 MHz 1 GHz 1 kHz Off 1)
Measure DANL 1 GHz 2 GHz 1 kHz Off 2)
Measure DANL 2 GHz 3 GHz 1 kHz Off 3)
Measure DANL 3 GHz 6 GHz 1 kHz Off 4)
Measure DANL 6 GHz 12 GHz 1 kHz Off 5)
Table 2-87 DANL Measurement Sequence, E4404B
Subset Procedure
Procedure Parameters
Test
Record
Entry
a
Start
Freq
Stop
Freq
Test
RBW
Preamp
State