Model3490A

Tableof Contents

TABLEOFCONTENTS

Section

 

I .

G E N E R A L I N F O R M A T I O N . . .

 

l - 1 .

I n t r o d u c t i o n

 

l - 5 .

. . . .

 

S p e c i f i c a t i o n s

 

l - 8 .

O p t i o n s

l-10. AccessoriesSupplied

l-12. AccessoriesAvailable

l-14. InstrumentandManual

I d e n t i f i c a t i o n

Page

. . . . . . I - 1

. . . 1 - l

. ' - . l - l

-. . . . . . 1 - 1

...1-l

...1-1

. . . . . . 1 - 2

SectionIII (cont'd)

Page

3 - 3 4 . A u t o r a n g i n g

. . . . . . . . 3 - 3

3 - 3 6 . M a n u a l T r i g g e r

. . . . . . 3 - 3

3-38. Self-TestOperation

....3-3

3 4 0 .

D C V o l t a g e M e a s u r e m.e. n. .t.s. . . . . . 3 - 3

342.

DC SampleRateand

 

 

R e s p o n s e T i m e .

. . . . 3 4

3 4 4 .

I n p u tR e s i s t a n c. .e.

. . . . . . . . 3 4

3 4 6 . A C V o l t a g e M e a s u r e m e n t s . . . . . 3 4

348.

AC SampleRateand

 

Section

 

 

Page

II.

INSTALLATIONANDINTERFACE . . .. ... .2-I

 

2-l- Introduction

 

..-2-l

 

2 - 3 .

I n i t i a l l n s p e c t i o n . .

 

. . . . 2 - l

 

2-5.

PowerRequirements

 

- . .2-l

 

 

 

. . - . . . . . 2 - l

 

2 - 8 . P o w e r C o r d s a n d R e c e p t a c l e s

 

 

 

. . . . . . - . . 2 - 1

 

2 - 1 0 . G r o u n d i n g R e q u i r e m e n t s . . .

 

 

2-14. EnvironmentalRequirements . . . . - . . . 2-l

 

2 - 1 6 . I n s t a l l a t i o n

 

. . . . 2 - 2

 

2 - 1 7 . B e n c h U s e

 

- . . . 2 - 2

 

2 - 1 9 . R a c k M o u n t i n g . . . .

. . . . - . . . 2 - 2

 

2 - 2 1 . I n s t a l l a t i o n o f o p t i o n s

. . . . - . . . 2 - 2

 

2-23.

IsolatedData OutPut

. . . . . . . . 2 - 2

 

 

O p t i o n0 2 1( - h p l l l 2 l A )

 

2-25.

IsolatedRemoteOPtionO22

 

 

 

( h p l l r 2 2 { ) .

- - - . . 2 - 2

 

 

 

. . . . . . . - 2 - 3

 

2 - 2 7 . O p t i o n 0 5 0 a n d O p t i o n 0 6 0

 

 

2 - 2 9 . I n t e r f a c e C o n n e c t i o n s

. . . ' . . . . 2 - 3

 

2-30. DataOutput OPtion021

 

.. . -2:2

 

2 - 3 2 .

R e m o t e C o n t r o l O p t i o0n2 2 . . . . .

- . - 2 - 3

 

2-34. RearInput

 

. . .24

 

2-36.

GeneralPurposeInterfaceBus

 

 

 

C o n n e c t i o n s

. . . ' - . . 2 4

 

2 - 3 8 .

I n t e r f a c e C a b l e L e n g t h

. . . . . . 2 - 6

 

24O

TriggerConnections,

. . . . . . . 2 - 8

 

 

G P I B O p t i o n 0 3 0

 

242.

Sample/HoldConnections,

 

-'-''

 

 

OptionUOO4

. .. . .. . .2-8

 

246.

RepackagingforShipment

.....2-9

Section

 

 

Page

Iil.

OPERATINGINSTRUCTIONS.. .

 

.. ..3-I

 

3-1. Introduction

 

...3-1

 

3 - 3 .

I n s t r u m e n t C a p a b i l i t i e s

- - . . . ' . 3 - l

 

3 - 4 -

S t a n d a r d l n s t r u m e n t

. . . . ' . . . 3 - 1

 

3-6.

Output and RemoteControl Options .3-l

 

3-9.

Sample/HoldOption 040 or &15

. '. .3-1

 

3 - l l .

R a t i oO p t i o n0 8 0 . .

. . . . . . . . 3 - l

 

3-13.

Front and RearPanelDescription . - . . -3-l

 

3 - 1 5 . M a d m u m l n p u t V o l t a g.e. s. . . . . . . . . 3 - l

 

 

 

. -... ..3-2

 

3-17. GeneralOperatinglnstructions

 

 

3 - 1 8 . T u r n - O n a n d W a r m - U p

. . . . . . 3 - 2

 

3 - 2 0 .

G u a r d i n g

 

. . . . . 3 ' 2

 

3 - 2 4 .

F l o a t i n g M e a s u r e m.e. n. .t.s . . . . . - . 3 - 2

 

3-26. OverrangeMeasurements. . . . . . . . . - 3-3

 

3 - 2 8 .

O v e r l o a d l n d i c a t i o n

. . . . . . . . 3 - 3

 

3 - 3 0 .

R a n g e l n d i c a t i o. n.

. . . - . . . . 3 - 3

 

3 - 3 2 .

F u n c t i o n l n d i c a t i o n

. . . . . . . . 3 - 3

 

 

R e s p o n s e T i m e .

 

. . . . 3 4

3 - 5 0 . F r e q u e n c y R a n g e .

 

. . . 3 4

3 - 5 2 .

 

I n p u t l m p e d a n c. .e

. . . . . . . . 3 4

3 - 5 4 .

 

H a r m o n i c D i s t o r t i o n

. . . . . . . . 3 4

3-56. ResistanceMeasurements. . . . . . . . . . . .34

3 - 5 8 .

 

I n p u t C o n n e c t i o n. s

. . . . . . . . 3 - 5

3-60.

 

OhmsSignalVoltageand Current . . . . 3-5

3-62-

OhmmeterSampleRateand

 

 

 

 

R e s p o n s e T i m e .

 

. . . . 3 - 5

3-64.

ExternalTrigger(Option 020) . . .. . . . . 3-5

3-66.

Data Output (Option O2l) . .

 

. . .3-5

3-68.

 

Output Signalsand l,evels

 

. . . . 3-5

3-71.

 

Input Sigralsand hvels

 

. . . . .34

3-73.

 

DataOutput Isolation

. .. . . . .3-6

3-75.

RemoteControl(Option022) .. .. . . . .34

3 - 7 7 .

 

I n p u t S i g n aRl e q u i r e m e n.t.s. . .

. . . . 3 4

3 - 7 9 .

 

O u t p u t S i g n a l s

. . . . . . 3 6

3-81. RemoteProgrammingProcedure . . . .34

3-83.

 

RemoteControl of TestFunction . . .34

3-85.

 

RemoteControl Isolation

 

. . . .34

3-81. GeneralPurposeInterfaceBus

 

 

 

 

I / O ( O p t i o n 0 3 0.)

. . . . . . . . 3 - 7

3-90.

 

GPIB BusSignals

 

. . . .3-7

3-101.

 

Talk Only (No Controller) . . . . . . . . . 3-8

3-103. GPIBControlof3490A

 

.. . . .3-8

3-131.

 

GPIB OperatingExample

 

. . . 3-13

': 3-136.

 

Control by MarkedCard

. . . . . - 3 - 1 4

 

 

P r o g r a m m e r

3-139. Sample/HoldMeasurements

 

. . . .3-15

 

 

(Option040 or 045) ..

 

3-140.

 

Definition of Sample/HoldTerms. . . 3-15

3-152.

 

SpecialS/H Operating

. . . . . . 3 - 1 6

 

 

C o n s i d e r a t i o. .n.s.

3-156.

 

GuardConnectionin Sample/Hold

 

 

M e a s u r e m e.n. t. s. .

. . . . . . 3 - 1 6

3-158.

Input SignalLimitations

 

. .. .3-16

3-160.

Sample/HoldTriggerSignal

. . . . . ' 3 - 1 6

 

 

R e q u i r e m e.n. t. s. .

3-165.

 

Initiating a Sample/Hold

 

. . . . - 3 - 1 7

 

 

M e a s u r e m e n t

 

3-173.

UsingtheTrack/HoldMode.... .. . 3-18

3-179.

Usingthe Acquire/HoldMode

. . . . .3-20

3-182.

Using50 Hz or 60 Hz PowerSource . 3-21

 

 

(Option080). . . .3-21

3-184. RatioMeasurements

 

 

 

 

Voltages- - -. ...3-21

3-186. ExternalReference

. . . . . . . 3 - 2 1

3 - 1 8 8 . I n p u t C o n n e c t i o n. s

3 - 1 9 0 . R a t i o D i s p l a Y

. . . . . . 3 ' 2 1

3-192. RatioMeasurementProcedure.'- - -3-21iii