Agilent Technologies 89410A - To create a test signal

1-56
Troubleshooting the Analyzer
To troubleshoot intermittent failures
5 Check the calibration correction curves.
a Press the following keys:
[
Preset]
[
System Utility]
[
auto cal off]
[
more cal setup]
[
auto zero cal off]
[ Measurement Data]
[
freq response]
[
Ref Lvl/Scale]
[
Yref level]
0
[
dB]
[
Y per div]
0.5
[
dB]
[
rng tracking off]
[ref position]
50
[
%]
[
ref line on]
Since there is no input, the display will show lines across the
screen.
b Press the following keys for each of the primary calibration
ranges:
The primary calibration ranges are -14, −12, −10, −8, −6, and 0
dBm.
[
Range]
[
ch1 range]
primary calibration range
[
dBm]
[
System Utility]
[
more cal setup]
[
save ch1 cal trace]
[
into D1]
[
Measurement Data]
[
data reg]
[
D1]
The following is a typical calibration correction curve display: