Period (>655
IJS)
Range: 655
I-ts
to 10 seconds.
Resolution: 4 digits.
Accuracy: ±100 ppm.
RiselFall Time:
Range: 0.1% to 79% ofperiod (or <8 ns).
Delay:
Range: -99.9% to +99.9%
of
period.
Width:
Range: 0.002% to 99.9% ofperiod.
A.2.8 Noise
The Model 395 provides five noise related functions. Applicable specifications are
given for each noise function below:
Analog (White) Noise
Provides a uniform frequency distribution. The noise bandwidth is programmable.
Noise BW Range:
10
mHz to
10
MHz.
Resolution: 3 digits.
Accuracy
typically <1%.
Sequence length 2
n
-
1
;
n=6,7,
16.
Option
002 2
n
-
1
;
n=6,7, 17.
Note Ratio
of
Start/Stop must he
~0.8.
Digital Noise
Digital Noise provides a random 0, 1 pattern from the main output and the sync output.
Clock Range:
10
mHz to 100 MHz.
Resolution: 4 digits.
Accuracy 100
ppm.
Sequence length 2
A
n-l;
n=6,7,
...
16.
Option
002
2
A
n-l;
n=6,7,.
..
17.
Note Sequence length defines the number
of
waveform points that noise will
be
randomly generated.
Comb
The comb function provides uniformly distributed frequency spectra
in
a well defined
frequency band.
Start/Stop
Range: 1
Hz
to
10
MHz.
Resolution: 3 digits.
Accuracy 100
ppm.
Number
offrequency teeth: 3 to
256.
Note Ratio
of
Start/Stop
SO.8.
Specifications A-S
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