HP 3490A - Page 147

With AlU2O2
out and
AIAlTPA
conneded to
-
5 V. Check waveforms at
gates
oJ AlO204. 0205,
aod 0208
lSync
to
AlTPK)
Q204:
"HÄqfr"
Q2O5:
t1 swith-
:irsul-
Ft36msi_4v
-5V'
-
With
A1U2O2
out, @nnect
+5V
bAIA|TPA.Apply
full
range
pGitiw
input
on
.1
V through
100 V
ranges-
Monitor AITPR with scoF
fr{999l
on AITPK.
+
{ope, 20
G/cml.
Csßd
Mvetorm
for
qch
Bnge:
Connect
-5V
to
AIA1TPA
snd rep@t
t6t,
negative
full range
input on
.1
V through 100
V
ranges.
Cdrect
wavoform foa each
Engei
Disnnect
-5V
from
AlA'ITPA and
reDla@
A1U2O2 in scket.
Ch€ck
t
'17
V and
r
30 V
pow6
npply
rclbgG
to
DC
Amglifi6r
circuiti.
Troubleihoot dc
level
trä6slator., A1O2Ol,
a202,
amq 0210, @11.
Troublesh@t Pohrity
Sbrage logic
and
Polaritv
Diiplay.
See
Pder
Supply Trouble-
Öooting,
PaEgraph
5-52.
Set Sample
Rate to FAST.
t sing dual input sp€,
6mp6.e mveform at all
inouti to
A2U2
wirh
B@t-
s6p Mwform. YVaw-
fords *rolld be 6 in-
di€ted
in
Figure
7-l
- Trig'
g€r
s@pe on AITPK. Ob-
ierve display while
performing
this td. Prob-
lem my cl€r tempora.ily
while s@po
prde
ir @n-
neted to 42U2.
Repla@
.Al
U2(Il and
p€r.
form
DC Zero Adiurt
rcn$.
Pa6graph 5€5.
Apply
input volbges below
and t@sure voltage
at
right
sd of
A2R6.
Voltag€s
should
be as
*Ewn io right hand
@|uffi.
BNG. V11
VOLTAGE
lv
ilv rlv
tv
t3v rt"9vr
10V
iloV
t
10V
10v
r20v
r13v*
'Nodi^al
roltage
Set S6mple
Ratö
to FAST-
Trigg€r spe on AITPK,
+.lope.
Check .ll output
of
Alt401.
Wawform
$ould be
ei
sh@n in
F'rlure
7-2.
Set Sample
RaE to HOLD.
Apply
+1V
inrt,
M@süre rcltage drop
dos 42R7.
Should b€
do rcltaqe drop,
Trcubl€Cr@t
dc lewl
tarclatoc
asiated with
inddd
A2U2 GG
to.c,
Se Figure
7-?O.
R€pla@ Az.wilh ex.tEngs
asfilcly,
Seo
P&.g6ph
7,14.
YES
YES
S€t
s6mple
R6te to HOLE
M@itor
AITPI
wirh
soF
trigger
to AUTO. Conne(
iump6
acro.s AlC20;
Adju*
A1AlR210
fror
one €xtrsrc to
the
oths
Vol6gp should
%ry ilowl
>
tz2v.
Ser Sämde
Rare ro HOLC
wirh
sdigir ovM,
|lw
-Rof
wlbg€
at tK
pdn
on
42.
Should
be
-10\
t
00.020
v.
'
-
I
I .
S€r FUNCTION tp OC.
lf
.
in*rurent has
Rario
or
: r,' .
Sample/Hold
option,
q
RATIO ro
INT
REF
änd
'
..r:
SAMPLE/IIOLD b OFF'
i;ri;
.'
.
"
?.
A dc
tandard, a dual-fre o*illoiope,
a
sdigir
wltmt6,
.
änd a dc
null hltnitd
aro lequired
for rhe
checki.
3. The
rire 6twn on wffilqBs
i3
@rd
lor
in*rlmnrs
:
.::
::
deiigned
lor
@
Hz line
op@tbn-
Fq 50 Hz
in*rurunr.,
.
i.s@ti[Eby2o*.
.,
Trorble$@t
Oäl€
ProlEtion
ck@ib-
Get other manuals https://www.bkmanuals.com