
2-2. Gate Characteristics
Gate Span Minimum
Span
Normal
-68
Span
Wide
fO.l
-57
Span
-70
Span
I NOTE: With 1601 frequency points, gating is available only the
mode.
Gate
Span
Span
Span
Span
I
The
ripple and
levels are descriptive of the gate shape. The cutoff time is the
time between the stop time (-6 on the filter skirt) and the peak of the
sidelobe, and
is equal on the left and right side skirts of the
Because the minimum gate span has no
passband, it is just twice the cutoff time.
2-61. Gate Shape
13. see the effect of the gating in the frequency domain, press:
This places the gated response in memory.
2-62 shows the effect of removing the RF
leakage and the triple travel signal path using gating. By transforming back to the frequency
domain, we see that this design change would yield better out-of-band rejection.
Making Measurements
Содержание HP 8753E
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