HP 8568B, Performance Tests And Adjustments Manual, Page: 46 / 313

8. Frequency Response Test
7.
8.
9 .
Key in the following spectrum analyzer settings:
10. Press TRACE A
on the analyzer.
11. Press SWEEP SINGLE on
the
synthesized sweeper.
Adjust POWER LEVEL on synthesized sweeper (using data knob)
to place peak of 20 MHz signal near reference level (top) graticule
line.
Press
[
ENTER
1 on spectrum analyzer. Adjust POWER
LEVEL on synthesized sweeper to position peak of signal 2
divisions below the reference level line.
START FREQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20.
MHz
. . . . . . . . .
Figure 2-12. Frequency Response Measurement (20 MHz to 1.5
12. Press DISPLAY LINE on the spectrum analyzer. Use the
Display Line to measure the maximum and minimum points on the
trace. Record measurements below.
SIGNAL INPUT 2
(20
MHz to 1.5
Maximum
Minimum
13. To check SIGNAL INPUT 1, use the type N male to BNC male
adapter to connect the power splitter directly to SIGNAL INPUT
1.
Option 001:
Use HP Minimum Loss Pad and adapters
between splitter and spectrum analyzer input.
14. Press
PRESET
)
on spectrum analyzer, then activate SIGNAL
INPUT 1 with the pushbutton.
2-24 Performance Tests