Filter
Top Products
Model3490A
Table
ofContents
Figure
7-22.
Schematic
Diagram,
Reference
and
Page
Ratio
Circuits,
Al,
Al3
7431:144
7-24.
Schematic
Diagram,
Main
Logic,
Al
.
.
. .
.745;1746
7-23.
Schematic
Diagram,
Clock
andCounters,Al
..
...7_47174g
7-25.
Schematic
Diagram,
DC
Switchins
Logic,Al
.....:.
7-26.
Schematic
Diagram,
power
Suppli€s,
' -
-
41,
A8
7-?7. l+e;atic
Diagram,
?ror"r,
o,
:.
.
. .
.
äl',i_]l
7-28.
Schematic
Diagram,
Function.
Range,
and
SampleRate
Switches,
AS
.7_5517_56
222. l*"
atic
Dagram,
AC
Converter,
e.S--.
.
.7_5717-Sg
7-30.
Schematic
Diagram,
Ohms
Converi"r,
X
.7_5917_60
7-3I.
Schematic
Diagram,
External
Trissei'
--'
- _Circuits,
Ag,
A2),
A2g,
A37:.
j_6117_62
7-32.
khematic
Diagram,
Data
Output
^ .
Option
021,
A9,
A10,
Al5:
.
.
.
.7-6317_64
7-33.
Schematic
Diagram,
Remote
tnpui
-'
'
'
Option
022,
AII,
AI2,
Ali
.
.
.7_651746
LIST
0F
tLLUSTRAT|0NS
(Cont,d)
TIST
OF
TABTES
Figure
7-i+.
schematic
Diagram,
sample/Hold
Page
AnalosCircuits,
A27'
.......
.7_671j_6g
7-35.
Schematiö
Diagram,
Sample/Hold
LogicCircuit:,12S...
.
..
...7_6917_70
7-36.
Block
Dagram,
3490A
GPIB
I/O
Circuits
.
7-3
7.
schem.li;;i;;;;;
ii*,.
p;;;;;''
-
.
.
7
-7
1
t
i
-7
2
and
ROM
Assy,s,
A34,
A36
:.
.-.-.
.
. .
.7_7317_74
7-38.
Schematic
Diagram,
GpIB
Isolation
Assemblies.
A30,A35
-.
.
...
.
.7_7517_76
7-39.
Schematic
Diagram,
Outguard
Du;;
and
ROM
Assemblies,
A32,
A33
7_7717_78
740.
Schematic
Diagram,
OutluarJ'
Mother
Board,
fil
.:
.
.7-7glt_80
8-1
.
Component
Location,
41
1,
Serial
No.
l2ltA0[55and.Lowr;
.......
...
8_3
8-2.
Schematic
Diugru.,
Al
I
Assembly.
Seriat
No.
r2lr/r}fiss
anJi;;er
......
.
.
84
Table
1-1.
Specifications
......
_
Page
t-2.
c.n.turrnior*;!;;
...
:...
?
|
Option
050
and
QRtion
OAO
pari
Ctran;;,
.
.
. .
.
.2_3
?-?
General
purpose
Interface
Brrä;;;täs
.....2_7
l-1
MaximumVoltages
.....3:2
1-?.
Sample
Rate
andResponr.
iirnr..
.
:..
.......34
3-3.
Dstortion
Error
11
ohil"a;;a;;;;i
::
:
:.il
2-:
cfln
Signal
Mnemonics
......'........3_7
3-6.
Address
Codes
. ,
3-7.
Programü;..
""""3-9
3-8.
Abti,ty;iöör6l"rä,oic,iirl'
.-3-10
a
Ramp
or
Sine
Wave
.
3-9.
Initiating
-S/H
Measurements
_.
byExternalTriggering
.....3_17
Maximum
Acquisiiön
1Sät
tin
gj
^ fiTr
for
Full_Range
Step
Iäput
.
.
. .3_tg
Ratio
Polari
ty
Disolav"
AC
AdiG;;üffi'"
.
"'3-21
Porariry;R;,t"ü'ä;;.;;;,
........
.....
frz
Analog
Tests
.
ecquiie/HoioD;i;;...
"'4-16
4-22
Table
!-5.
Gain
Delay
Relationship
,^X
5-1.
Recommendear.rt
nq'uip.;;;
:
.
.
.
. .
.
.
.
.
.
.
.
.
5_0
5-2.
DCVoltmeterAccuracy
:-.'..
::.............
5_l
5-3.
ACVoltmeterAccuracy
...................
5_3
54.
Ohmmeter
Accuracy
5-5.
Alternate
Ohmmeter
Accuracy
Test
.
.
. .
5_3
s6.
sample/HoldDCeccuracyäL;":
.....s_6
5-7.
DC/DCRatioAccura.v
färi-.
.........
.....
.
5_7
5-8.
AC/DCRatioAccura"yf.ri
..
:...
....
5_8
s-e.
powerSupplvvoltü;;
:1.'..
:.............
s_ls
5-10.
Ohmmeter'Adjustment
.
.
-...
.
.
..
..
.5_16
Gl.
Replaceabtepärts..
......:...::.....
.....6_2
-,^..
7-1.._.
power
Supply
Voltages
and
CurrentLimitValues
......7_1
T2
PowerSupplyJlTp"rwires
.......
...7_2
7-3.
AC
Reed
Retay
Chäcks
.-.
. .
.
.
. .
.
:
:
. .
.
.
.
. .
.
.74
71
component
Spacing
..
..
..
.....
.
...
.
.74
T:
Data
Output
.irouUierhooti"g
np,
74.
Alphabetical
J,istins
"f
34tö;
ü;rmonir,
.
.
.7_to
7-7.
Atphabetical
Listini;itrö;ä;ö'
I/OMnem.oni.,
...
.....-.'_
....7_7117_72
8-1.
ManualBackdatinlih*;;;
.........
....8-l
3-10.
3-1
1.
+1.
+2.
+3.
4.
vll