HP 5245L - Page 47

Description
Check
MULTIPLE
PERIOD
CHECK
(cont'd)
PERIOD
MEASUREMENT
ACCURACY:
t
1 count
t
time base
accuracy t
trigger
error
where
the
trigger
error is
expressed as
x0.3Vo
over
1
period,
divided
by
the number
of
periods
averaged
for
signals
with
a
signal-to-noise
ratio
of
greater
than 40
dB.
PERIODS
AVERAGED:
1
to
105
in
decade
steps
OUTPUT
DISPLAY:
8
significant figures
with
decimal
point
and
units
of
measure
(sec,
ms,
or
ps).
1OO
PERIOD
AVERAGE
.1ps
lps
10
ps
.1ms
1ms
10
ms
.1s
1s
10s
00003.333
ps
000003.33
ps
0000003.3
ps
00000003.
ps
000000.00
ms
0000000.0 ms
00000000.
ms
*
*
1
K PERIOD
AVERAGE
.
1
,t-ts
1
ps
10
ps
.1ms
1ms
10 ms
.1s
1s
10s
0003.3333
,r-rs
00003.333
ps
000003.33
ps
0000003.3
ps
00000003.
ps
000000.00
ms
*
*
*
10
K
PERIOD
AVERAGE
.1ps
lps
10
lrt
.1
ms
1ms
10
ms
.1s
1s
10s
003.33333
/,rs
0003.3333
ps
00003. 333
lrs
000003. 33
prs
0000003.3
,us
*
*
*
*
1OO K PERIOD
AVERAGE
.1
pts
1
pts
10
ps
.1
ms
1ms
10
ms
.1s
1s
10s
03.333333
ps
003.33333
ps
0003.3333
ps
00003.333
ps
*
*
*
*
{<
PERIODS
AVERAGED
1
10
100
1K
10K
100K
0000001.0
pLs
000001.90
ps
00001.800
ps
0002.0000
ps
001.80000
pts
01.600000
ps
See Item C-2
OUTPUT
DISPLAY
PERFORTUIANCE
CHECK TEST
CARD
(Conr'd)
Model
5245L
3-1lb
02 349
-1