HP (Hewlett-Packard) 3490A Car Stereo System User Manual


 
Model
34904
Section
I
Table
1-2. General
lnformation
(Cont'd.)
SAMPLE
HOLD
(CONT'DI
Sample/Hold
AC Characteristics:
Maximum rate of
change
of
input voltage to maintain
tracking:
2.5 %
of range/ps on
the
10
V
and 1 0OO
V ranges.
5
% of
range/prs
on
the
1
V
and 10O
V ranges.
Maximum dV/dt during
digitization:
50
V/t s
Minimum
!
3
dB
Bandwidth
(external
input terminals to
Samde/Hold
amplifiersl
:
dVs/u
Range
1V
10v
100
v
1000
v
RATIO
Range
Selection:
K1
=
Velocity
factor. The
typical
factor for
each
range
is as
follows,
Slope
of signal as measured
in
increments
small enough
that the waveform
between
measurement
points
approaches
or achieves
linearitV.
Typical
VelocitY
Factor
Time
Response
Characteristics
:
The
time response
of
Sample/Hold
for
any
input wave-
form
can
be
approximated
by
the
equation:
-
10,rs
-
2,rs
-
3ps
+7tts
External
Reference
Range:
Manual
lnput
Range:
Manual.
automatic,
or
remote
(optionall
Ratio
Display:
1
V Ext. Ref
.
Range:
Read
ratio directly
10
V Ext. Ref.
Range:
Multiply
display
bv 0.1
Polarity Display
{automatic)
:
+
for
+DC/+DC or
-DC/-DC
_
for
+DC/-DC or
_DC/+DC
No
polarity
disPlaY
for
AC/DC
Ratio
Measurement
CaPabilitY
:
Maximum
Numerical
Display:
1 20O0O
on
any Input
range
Maximum
lnput
Voltage:
10O0
Vrms
Maximum
Reading
RaE:
DC/DC: Same
as
for
dc volt'age
measurements
AC/DC:
Same
as
for
ac
voltage
measurements
Input
Protection:
250
Vrms
(t
400
V
peak)
continuous
Environmental
Requilements:
O:C
to 4o:c,
(
95%
relative
humiditY
O"C
to 5O"C
maximum
operating
temperature
range
Range
1V
10v
100
v
1000
v
r
3 dB
FrequencY
20
kHz
4O
kHz
15 kHz
20kHz
dvin
vs/n
=
vin
+
Kl
_f,r
Similarlv,
the
input waveform
can
be
reconstructed
from
measured
data
by
the
equataon:
vin
=
vs/H
-
rl
dvs/H
dt
Where:
VS/n
=
Displayed Sample/Hold
measurement.
Vin
=
39OA
input
voltage.
dVi.
Slope
of any
portion
of an
input
wavefori?i.
dt
t-6