Agilent Technologies HP 8566B Spécifications Page 387

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9. Impulse Bandwidth Adjustments
13. Using the DATA knob, adjust the marker down one side of
the display signal to the 7.3
dB
point; CRT MKR A annotation
indicates 0.430 X.
A4A9
IF CONTROL
\
Figure 4-8. Location of Bandwidth Adjustments
14. Adjust
A4A9R61
1 MHz for MKR A indication of 500
kHz
while
maintaining the marker at 0.430 X using the DATA knob. Refer to
Figure 4-8 for the adjustment location.
15. Press MARKER
a].
Adjust marker to the opposite side of the
signal (CRT MKR A annotation indicate 1.00 X). There are now
two markers; one on each of the signal at the 7.3
dB
point.
16. The CRT MKR A annotation now indicates
the
impulse bandwidth
of the 1 MHz bandwidth. The impulse bandwidth should be 1.00
MHz
fO.10
MHz.
17. Key in
(REs]
300
kHz,
(FREQUENCY
SPAN]
500
kHz,
[PEAK
SEARCH),
and
(MKRj.
If necessary, readjust by pressing
[REFERENCE LEVEL]] and using the DATA knob to place the
signal peak at the top of the graticule.
18. Press MARKER
m
then MARKER
a].
19. Using the DATA knob, adjust the marker down one the displayed
signal to the 7.3
dB
point; CRT MKR A annotation indicates 0.430
X.
20. Adjust
A4A9R62
300
kHz
for MKR A indication of 150
kHz
while
maintaining marker at 0.430 X using the data knob. Refer to
Figure 4-8 for location of adjustment.
21. Press MARKER [nl. Adjust the marker to the 7.3
dB
point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
a.
22. The CRT MKR A annotation now indicates the impulse bandwidth
of the 300
kHz
bandwidth. The impulse bandwidth should be
300.00
f30.00
kHz.
23. Key in
@ETiii)
10
kHz,
CFREQUENCY
SPAN)
20
kHz,
[PEAK
SEARCH),
and
(MKR).
If necessary, readjust by pressing
4-28 Option 462
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