Location Of Cal Output Adjustment - HP 8566B Adjustment Manual

A 6
ASSEMBL I ES
C O V E R C A L A D J
Figure 3-85. Location of CAL OUTPUT Adjustment
range, centered at a front-panel CAL OUTPUT signal level of -10.0
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
OUTPUT signal on the second spectrum analyzer to the RF INPUT
second
on the 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 (*)
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
19. CAL Output Adjustment
second spectrum analyzer. Connect the CAL
C A L O U T P U T
Adjustments 3-l 67