Agilent Technologies HP 8566B Spécifications Page 232

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9. 3
dB
Bandwidth Adjustments
31.
Adjust
A4A9R65
10
kHz
for a MARKER A indication of -3.00
dB
&0.05
dB.
32.
On the spectrum analyzer, press
QfJ
several times to position
the second marker at the rightmost graticule line. Then, press
[sTopI
and use the DATA knob to adjust the centering of the
displayed signal for a MARKER A indication of -3.00
dB
f0.05
dB.
33.
On the spectrum analyzer, key in
CFREQUENCY
SPAN] 10
kHz,
MARKER
(OFF,
[PEAK SEARCH], MARKER
(iYJ
and press
@
several
times to position the second marker at the leftmost graticule line.
34.
Readjust
A4A9R65
10
kHz
for a MARKER
[nl
indication of -3.00
dB
f0.05
dB.
35.
Repeat steps 32 through 34 as necessary until no further
adjustment is required.
36.
On the spectrum analyzer, key in the following settings:
[CENTER FREQUENCY)
.....................................
100 MHZ
FREQUENCY SPAN)
)W,
...........................................
3
kHz
....................................................
.3
kHz
37.
On the spectrum analyzer, press
CREFERENCE
LEVEL) and use the
DATA knob to position the signal peak near the reference level
(top graticule line).
38.
On the spectrum analyzer, key in
CPEAK
SEARCH], MARKER
[n],
and press (JJ several times to position the second marker at the
leftmost graticule line.
39.
Adjust
A4A9R66
3
kHz
for a MARKER A indication of -3.00
dB
f0.05
dB.
40.
On the spectrum analyzer, press
Q)
several times to position
the second marker at the rightmost graticule line. Then, press
[SToPI
and use the DATA knob to adjust the centering of the
displayed signal for a MARKER A indication of -3.00
dB
f0.05
dB.
41.
On the spectrum analyzer, key in
FREQUENCY
SPAN) 3
kHz,
MARKER
IOFF),
(SPEAK
SEARCH], MARKER
Ln],
and press
a
several
times to position the second marker at the leftmost graticule line.
42.
Readjust
A4A9R66
3
kHz
for a MARKER
A
indication of -3.00
dB
f0.05
dB.
43.
Repeat steps 40 through 42 as necessary until no further
adjustment is required.
Note
The 1
kHz
3-dB
bandwidth is set with factory-select components
A4A7R12lA4A7R13,
A4A7R23iA4A7R24,
A4A7R34lA4A7R35,
A4A7R45lA4A7R46,
and
A4A7R56lA4A7R57.
If it is necessary to
increase the 1
kHz
3-dB
bandwidth, increase the value of one or
more pairs of these factory-select components. The 300 Hz, 100
Hz, 30 Hz, and 10 Hz
3-dB
bandwidths are set with factory-select
components
A4A7R66,
A4A7R68,
A4A7R70,
A4A7R72,
A4A7R74,
A4A7R76,
A4A7R78,
A4A7R80,
A4A7R82,
A4A7R84,
A4A7R86,
A4A7R88,A4A7R90,
A4A7R92,A4A7R94,A4A7R96,A4A7R98,
3-92 Adjustments
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