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Chapter 4
143
ESA Functional Tests
Displayed Average Noise Level
ESA Fu
ncti
onal
T
ests
4. Press
Peak Search
. Record the marker frequency next to your analyzer model in the
Measured Frequency column as entry (a) or (b) in
for 10 MHz to
500 MHz.
5. Press the following keys on the analyzer:
Sweep
,
Sweep
(Cont)
BW/Avg
,
Average
(Off)
BW/Avg
,
Res BW
(Auto)
Video BW
(Auto)
SPAN
, 50,
kHz
FREQUENCY
6. Press
Center Freq
, and set the center frequency of the analyzer to the frequency recorded
in the Measured Frequency column as entry (a) or (b) of
for
10 MHz to 500 MHz.
7. Press the following keys on the analyzer:
BW/Avg
,
Res BW
, 1,
kHz
Video BW
, 30,
Hz
Single
Wait for the sweep to finish.
8. Press the following keys on the analyzer:
Display
,
Display Line
(On)
Adjust the display so that it is centered on the average trace noise, ignoring any
residual responses.
9. Record the display line amplitude setting as TR Entry 1 (TR Entry 19 or 20 for a 75
Ω
Input) in
. The Average Noise Level should be less than the
Maximum for the appropriate input impedance.
Procedure (501 MHz to 1.0 GHz)
E4401B and E4411B E7401A
1. Press the following keys on the analyzer:
Sweep
,
Sweep
(Cont)
FREQUENCY
,
Start Freq
, 501,
MHz
Stop Freq
, 1.0,
GHz
BW/Avg
,
Res BW
, 1,
MHz
Video BW
, 10,
kHz
2. Press the following keys on the analyzer:
Single
BW/Avg
,
Average
(On), 3,
Enter
Single
Wait until
AVG 3
is displayed to the left of the graticule (the analyzer will take 3
sweeps, then stop).
Содержание ESA Series
Страница 6: ...6 Contents Table of Contents ...
Страница 32: ...32 Instrument Messages Alphabetical Listing Instrument Messages ...
Страница 33: ...33 Instrument Messages 1 Instrument Messages ...
Страница 111: ...111 Functional Tests 2 Functional Tests ...
Страница 118: ...118 Chapter2 Functional Tests Test Equipment Functional Tests ...
Страница 119: ...119 PSA Functional Tests 3 PSA Functional Tests ...
Страница 139: ...139 ESA Functional Tests 4 ESA Functional Tests ...