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324 Chapter 2
Performance Verification Tests
38. Displayed Average Noise Level: Agilent E4407B and E4408B
Figure 2-56 Displayed Average Noise Level Test Setup
2. Press System, More, Show System. If there is an entry shown which
reads 1DR: Narrow Resolution BW and the analyzer is an E4407B,
then enter 10 Hz below as the Minimum RBW. If there is an entry
shown which reads 1DR: Narrow Resolution BW and the analyzer
is an E4408B, then enter 100 Hz. Otherwise, enter 1 kHz as the
minimum RBW (resolution bandwidth). Keep this value in mind as
you continue to perform this procedure. Also, take note of whether or
not Options 1DN (3.0 GHz Tracking Generator) and Option 1DS (RF
Preamplifier) are installed.
Minimum RBW____________ Hz
Option 1DN: ____________
Option 1DS: ____________
3. Press
Preset on the analyzer. Press the Factory Preset softkey, if it is
displayed. Then press the following keys:
Input/Output (or Input), Amptd Ref Out (On)
FREQUENCY, Center Freq, 50 MHz
SPAN
, 2kHz
AMPLITUDE
, –20 dBm
AMPLITUDE, Attenuation
, 10 dB
BW/Avg, Res BW, 1 kHz
BW/Avg, Video BW, 1 kHz
Det/Demod, Detector, Sample, Return
4. On the analyzer, press Single.
5. On the analyzer, press
Peak Search (or Search) and record the Ref
Amptd reading below.
Ref Amptd ____________ dBm