Tektronix RSA3408B, Service Manual

Page: 52 / 250

Performance Tests
3- 20
RSA3408B Analyzer Service Manual
4. Check the error log:
View the error log in the following location using the mouse and keyboard:
NOTE
. For accessing Microsoft Windows XP on the analyzer, refer to the
RSA3408B User Manual.
H
Directory: C:\Program Files\Tektronix\wca200a\log
H
File: spurious_RFxPV.log
(RFx = RF1, RF2, or RF3, depending on the test frequency)
Below is an example of the spurious_RF1PV.log file:
Spurious PV, RF1
Begin 2005/04/28 16:34:03
1000MHz: 67.5kHz, --73.065dB
2000MHz: 55.3kHz, --76.142dB
End 2005/04/28 17:02:05
Difference in level between carrier
at the center frequency and
spurious at the offset frequency
Spurious offset frequency
from the center frequency
Center frequency
5.
Set test frequency:
a. Press the Band side key to select the band in which the error occurred.
For example, if an error occurred at 1000 MHz, select
RF1
.
b.
Press the
Start
side key and set the frequency at which the error
occurred. For example, if an error occurred at 1000 MHz, enter 1000.
c.
Press the
Stop
side key and set the same frequency as in Start (in this
example, 1000) to perform the measurement at the error frequency.
6. Perform the test: Press the Measurement side key to run the test.
Check that the test passes on the right bottom of the screen.
7. Repeat steps 5 and 6 for all the frequencies listed in the log file.