HP 8568B, Performance Tests And Adjustments Manual, Page: 43 / 313

7. Input Attenuator Switching Uncertainty
6. Press MARKER
7. Set
LEVEL
],
and frequency synthesizer
amplitude according to 1. At each setting, press MARKER
(
PEAK SEARCH
)
and record the deviation from the 10 setting from
the MARKER A amplitude readout (see Figure 2-10). The deviation
should not exceed
at any setting.
100.
Figure Attenuator Switching Uncertainty Measure]
1. Input Attenuator Switching Uncertainty
nent
[
R E F E R E N C E L E V E L
)
Frequency
Deviation Corrected Allowable
Synthesizer (MARKER
A
Deviation Deviation
Amplitude Amplitude
10 -50 -52 0 (ref) 0 (ref)
20 -40 -42
30 -30 -32
40 -20 -22
50 - 1 0 - 1 2
60 0 -2
70 8
Performance Tests 2-21