HP 84125C, User Manual

Page: 40 / 101

Procedure
Ensure that the spectrum analyzer meets the conditions listed in
\HP 8564E Spectrum Analyzer Specications and Characteristics" in
Chapter 2.
P art 1: 1 to 18 GHz
1. Connect equipment as shown in Figure 3-7.
Figure 3-7. D ANL Measurement Setup , 1 to 18 GHz
2. Set up the initial spectrum analyzer settings and load in all the
correction factors for the system by activating the DLP as follows:
a.
Press 4 MODULE 5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
USER KEYS ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
HP84125C Config ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
1GHz to 18GHz .
b. Ensure that the test set hardware is correct for the
conguration selected. There are dierent correction factors for
each hardware conguration. Refer to Chapter 4 for proper test
set hardware conguration.
c.
Press
NNNNNNNNNNNNNN
MORE ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
LIM LINE ON *OFF* to turn the limit line o.
3. Change the initial analyzer settings by pressing the following keys:
a.
4 SP AN 5 ,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ZERO SPAN
b.
4
AMPLITUDE
5 ,
NNNNNNNNNNNNNNNNNNNNNNN
REF LVL , 70
NNNNNNNNNNN
dBm to set the reference level to
70 dBV.
System Setup and Functional T ests 3-17