160
Chapter 5
Functional Testing
Displayed Average Noise Level (DANL)
Procedure
1. If the auto alignment for the UUT has not been run within the last
hour, run it by pressing
System
,
Alignment
, and
Align All Now
.
2. Preset the UUT by pressing
Preset
.
3. Initialize the parameters for the instrument, as listed in Table 5-13,
“UUT Initialization,” by performing the following steps:
a. Press
MODE
and
Basic
.
b. To expand the Spectrum window to full screen, ensure that the
Spectrum window is highlighted and press
Zoom
.
If the Spectrum window is not highlighted, press
Next Window
until the Spectrum window is highlighted and then press
Zoom
.
c. Press
FREQUENCY
,
Center Freq
, 19.995, and
MHz
.
d. Press
SPAN
,
Span
, 10, and
kHz
.
e. Press
Meas Setup
,
Res BW
, 1, and
kHz
.
f. Press
Meas Setup
,
Average
,
Avg Number
, 100, and
Enter
.
g. Press
View/Trace
,
Trace Display
, and
Average
.
h. Press
AMPLITUDE
,
Ref Scale/Div
, 5, and
dB
.
i. Press
AMPLITUDE
,
Ref Value
,
−
85, and
dBm
.
Содержание E4406A
Страница 4: ...4 ...
Страница 10: ...10 Contents ...
Страница 138: ...138 Chapter4 Making Measurements Front Panel Test ...
Страница 139: ...139 5 Functional Testing ...
Страница 214: ...214 Chapter6 If You Have a Problem Returning Your Instrument to Agilent Technologies ...
Страница 215: ...Chapter 6 215 If You Have a Problem Repair Tag Goes Here Remove This Page Repair Tag Goes Here Remove This Page ...
Страница 216: ...216 Chapter6 If You Have a Problem Repair Tag Goes Here Remove This Page ...
Страница 217: ...217 7 Options and Accessories ...
Страница 226: ...226 Chapter7 Options and Accessories Accessories ...