HP 8568B, Performance Tests And Adjustments Manual, Page: 26 / 313

1. Center Frequency Readout Accuracy Test
Equipment
Synthesized Sweeper . . . . . . . . . HP
Frequency Standard . 10 MHz standard,
within 1 part in
e.g. HP
Adapter, Type N (m) to SMA (f) . . . HP1250-1250
61 cm (24 in.) Cable Assembly, SMA Male Connectors HP 5061-1086
Procedure 1.
2 .
3 .
4 .
5 .
6 .
7 .
Connect CAL OUTPUT to SIGNAL INPUT 2.
Press on the analyzer.
Adjust FREQ ZERO for a maximum amplitude trace.
Press
Set the synthesized sweeper for a 100.000 MHz signal at a level of
approximately 0
Connect equipment as
shown in
Figure
Set analyzer
FREQUENCY
)
and
[
FREQUENCY SPAN
)
and
synthesized sweeper frequency according to Table 2-2. At each
setting, press
[
PEAK
to center the signal. Adjust
LEVEL
)
as necessary to place signal peak at a convenient
level.
Record the CENTER readout frequency in the table for each
setting. The limits for this frequency are given in the table. See
Figure 2-2.
Figure 2-2. Center Frequency Readout Error Measurement
2-4 Performance Tests