Agilent Technologies HP 8566B Spécifications Page 307

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Vue de la page 306
19. CAL Output Adjustment
A6
ASSEMBL I ES
A6A9AlRll
COVER CAL ADJ
c29
Rll
TRIPLER
MATCH CAL OUTPUT
RlO
A6A9Al
Figure 3-85. Location of CAL OUTPUT Adjustment
Note
A6A9AlRll
CAL OUTPUT should have at least 2.0
dB
of adjustment
range, centered at a front-panel CAL OUTPUT signal level of -10.0
dBm.
If A6A9AlRll CAL OUTPUT does not have sufficient range
to adjust the CAL OUTPUT signal level to -9.0
dBm,
decrease the
value of factory-select component
A6A9AlRlO;
conversely, increase
the value of A6A9AlRlO if
A6A9AlRll
CAL OUTPUT does not have
sufficient range to adjust the CAL OUTPUT signal level to
-
11
.O
dBm.
Select the value of factoryselect component
A6A9AlRlO
to center the
range of
A6A9AlRll
CAL OUTPUT as close as possible to the range of
-9.0
dBm
to -11.0
dBm.
Refer to
Table
3-3 for the acceptable range
of values for
A6A9AlR10,
and
Table
3-4 for HP part numbers. Refer
to Figure 3-85 for the location of
A6A9AlRlO.
5. Adjust
A6A9AlRll
CAL OUTPUT for a power meter indication of
-10.00
f
0.01
dBm.
6. Disconnect the power meter/power sensor from the RF Section
front-panel CAL OUTPUT connector.
7. Press
(2-22)
on the second spectrum analyzer. Connect the CAL
OUTPUT signal on the second spectrum analyzer to the RF INPUT
on the second spectrum analyzer, and press
(j)
8.
8. Adjust the AMPTD CAL control on the second spectrum analyzer
for a -10.00
dBm
displayed signal, and then press
(*)
CFREQUEN~Y
SPAN]~.
9. Connect the second spectrum analyzer RF input to the RF Section
front-panel CAL OUTPUT connector. Set the controls of the
second spectrum analyzer as follows:
CENTER FREQUENCY . . . . . . . . . . . . . . . . . . . . . . . . . 550 MHz
FREQUENCY SPAN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
GHz
REFERENCE LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -7 dBm
LOG dB/DIV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
dB
Adjustments
3-l
67
Vue de la page 306
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