Agilent Technologies HP 8566B Spécifications Page 388

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Vue de la page 387
9. Impulse Bandwidth Adjustments
[REFERENCE
LEVEL_)
and using the DATA knob to place the signal
peak near the top of the graticule.
24. Press MARKER
IOFF),
then MARKER
a].
25. Using the DATA knob, adjust the marker down one side of
the displayed signal to the 7.3
dB
point; CRT MKR annotation
indicates 0.430 X.
26. Adjust
A4A9R65
10
kHz
for MKR A indication of 5.00
kHz
while
maintaining the marker at 0.430 X using the DATA knob. Refer to
Figure 4-8 for the adjustment location.
27. Press MARKER la]. Adjust the marker to the 7.3
dB
point on the
opposite side of the signal (CRT MKR
A
annotation indicates 1.00
x>.
28. The CRT MKR
A
annotation now indicates the impulse bandwidth
of the 10
kHz
bandwidth. The impulse bandwidth should be 10.0
fl.O
kHz
29. Key in (RESBW) 3
kHz,
(FREQUENCY
SPAN)
5
kHz,
(PEAK
SEARCH),
and
CMKR’.
If necessary, readjust by pressing
[REFERENCE
LEVEL]
and using the DATA knob to place the signal peak near the top of
the graticule.
30. Press MARKER
m
and MARKER
Ia].
31. Using the DATA knob, adjust the marker down one side of the
displayed signal to the 7.3
dB
point; CRT MKR A annotation
indicates 0.430 X.
32. Adjust
A4A9R66
3
kHz
for MKR A indication of 1.5
kHz
while
maintaining the marker at 0.430 X using the DATA knob. Refer to
Figure 4-8 for the adjustment location.
33. Press MARKER la). Adjust the marker to the 7.3
dB
point on the
opposite side of the signal (CRT MKR A annotation indicates 1.00
Xl.
34. The CRT MKR La] annotation now indicates the impulse
bandwidth of the 3
kHz
bandwidth. The impulse bandwidth
should be 3.00
f0.30
kHz
Option 462 4-29
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