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Section
IV Model3490A
sEE
NOTES
ON
FOLLOWTNG
.."........-
PAGE.
MEASUFEMENT
SEOUENCE
FOR FULL RANGE NEGATIVE
tNPUT.
NOT DRAWN TO TIME
OR
VOLTAGE SCALE. ALL
TIMES SHOWN
ARE FOR 60 Hz
OPTION. FOR 50 Hz OPTION,
INCB€ASE TIM€S BY 2O%,
MAIN TIME BITS
CAA
A2U2
FET RANGE
&
PIN SWITCH FUNCTION
I
rP.f'
|
@!!
|
sms
sms
|
50is
,
MIN
'
MIN
'
I to
5ms 5ms 65 ms
rttll
IV,1V,10VDC
ALL
II
1m v. 1000 voc
ON
OFF
ON
OFF
ALL BANGES
& FUNCTIONS
ON
OFF
ON
OFF
ON
OFF
ON
OFF
lm v.
10m vDc
11
ALL AC RANG€S
ALL
DC
RANGES,
NEG INPUT
ON
OFF
ON
OFF
ALL
t}
RANGES
ALL ExcEPT sAMPL€/
oN
HOLD MEASUsEMENTS
OFF
ALL RANGES
& FUNCTIONS
ON
OFF
10 v, 1000 vDc
RANGES
r v, r v. !00 vDc
BANGES,ALL AC
10 K. 1m0 K
10.000 Ktl
ON
OFF
ON
OFF
ON
OFF
r v. rm vDc
oN
RANG€S,ALL AC
OFF
I K. lOO KQ BANG€S
r K.10 K, 1m0 K,
IO,OM KQ
RANGES
ON
OFF
ON
OFF
I
VOC..t KQ RANGES
^::
2t
H
3490A
-
C
-2940
ALL OC RANGES.
POS. INPUT,
ALL AC
ELECTRONIC
swtTcH
ON
OFF
ON
'-{
"""
J
tt",
I
INPUT SHORT
MTB
l+-H-------l
.K
||-
J---{
t-a
-N.-
B
-rt--
c
-++
r
-----]---+---]-.
---i*
F
--r-.
c
i
lrrttifilllrrlllrltlrl
ltrl
.
warrrNc,
DELAy serecr
serrrrncl
I
srone
I
srrecr
|
|
|
I
lpEgroolpenroolcartslpenrool
lporlnttvl
nEr
|
|
|
|
|
1
'l
I I cr-,1--!----t ^ |
|
|
,Oü
i
:l;s,
:y;s
i
i
'*'{t
i-----}...'otu''
i r
, ,
i^gff*i
l
i'Xk
i
itYrs
l1
Figure 4-4(al.
Measurement
Sequence.