Agilent Technologies HP 8566B Especificaciones Pagina 361

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3.
6
dB
Resolution
Bandwidth
Accuracy
‘I&t
Related
Adjustment
Specification
Description
Equipment
Procedure
6
dB
Bandwidth Adjustments
f20%,
3 MHz bandwidth
f
lO%,
30 Hz to 1 MHz bandwidths
+
50%,
-0%, 10 Hz bandwidth
30
kHz
and 100
kHz
bandwidth accuracy figures only applicable
590%
Relative Humidity, 140” C .
The 6
dB
bandwidth for each resolution bandwidth setting is
measured with the MARKER function to determine bandwidth
accuracy. The CAL OUTPUT is used for a stable signal source.
None required
1.
2.
3.
4.
5.
6.
7.
Press
(2).
Connect CAL OUTPUT to RF INPUT.
Key in spectrum analyzer settings as follows:
[
CENTER FREQUENCY
)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
MHZ
FREQUENCY SPAN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.5
MHz
km,
. . . . . . . . . . . . . . . . . . . . . . 3 MHz
[REFERENCE
LEVELS
. . . . . . . . . . . . . . -10
dBm
Press SCALE LIN pushbutton. Press
CsHlFT),
[my
(resolution
bandwidth) for units in
dBm.
Adjust [REFERENCE LEVEL) to position peak of signal trace at (or just
below) reference level (top) graticule line. Press SWEEP
@iYZZJ
Press MARKER
C-1
and place marker at peak of signal trace
with DATA knob. Press MARKER la] and position movable marker
6
dB
down from the stationary marker on the positive-going edge
of the signal trace (the MARKER A amplitude readout should be
-6.00
dB
f0.05
dB).
It may be necessary to press SWEEP
(m)
and adjust (CENTER FREQUENCY_) to center trace on screen.
Press MARKER La] and position movable marker 6
dB
down
from the signal peak on the negative-going edge of the trace (the
MARKER Aamplitude readout should be .OO
dB
f0.05
dB).
The 6
dB
bandwidth is given by the MARKER A frequency readout. (See
Figure 4-l.) Record this value in
Table
4-l.
4-2 Option 462
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