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HP 1630D User Manual

HP 1630D
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Model
1630A/D/G

Timing
Measurements
THE
TIMING
TRACE
SPECIFICATION
There
are
two
timing
trace
modes
offered
by
the
analyzer
:
[Single],
and
[Continuous]
.
These
two
trace
modes
are
described
separately
in
the following
paragraphs
.
Figure6-9
is
the timing
trace
Specification
menu
.
[Single]
Timing
Trace
Specification
The
[Single]
trace
mode
is
used
to
capture
a
single
trace
of
timing
activity
for
each
bit
in
the
timing
probe
pod(s)
.
This
menu
allows
selection
of
sample
period, trigger
location,
trigger
activity,
and
trigger
duration
.
[Continuous]
Timing
Trace
Specification
In
the
[Continuous]
mode
of
timing
measurement,
the
analyzer
performs
a
measurement
just
like in
[Single]
.
As
soon
as
the
measurement
is
complete
and
the
display
is
updated,
the
analyzer
begins
another
measurement
.
This
will
continue
until
STOP
is
pressed
.
Sample
Period
:
Trigger
Location
:
Trigger
:
Pattern
:
Edge
:
Duration
:
Trace
Point
Delay
:
LABELS
FROM
FORMAT
SPECIFICATION
Figure
6-9
.
Timing
Trace
Specification
(with [Glitch]
Selected)
from
one
sample
every
10 ns
to
one
sample
every
500
ms
(24
sample
period
selections)
[Start],
[Center],
or
[End]
(determines
amount
of
pretrigger
and
posttrigger
time
in
memory)
.
combination
of
pattern
and
edge
.
"And"
field
composed
of
1, 0,
or
X
logic
levels
on
all
bits in
all
labels
.
"OR"
field
composed
of
positive-going,
negative-going,
either-edge,
or
off
[
.]
for
each
capable
bit
.
Bits
not
capable
of
edge
recognition
are
identified
by
N/A
.
from
20ns
to
1
ms
(period
that
pattern
must
remain
stableto
be
recognized
as
trigger)
in
1,
2,
5sequence
.
from
0000
ns to
9999
sec
after
trigger
recognition
.
Max
delay
depends
on
Sample
Period
selected
.
Note
:
the
analyzer
rounds
off
the
delay
entry
to
the
nearest
multiple
of
four
times
the
selected
sample
period
.

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HP 1630D Specifications

General IconGeneral
BrandHP
Model1630D
CategoryMeasuring Instruments
LanguageEnglish

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