HP Car 3490A i'Xk, '*'{t, , :l;s, :y;s, i-----}...'otu''i, tt

SectionIV Model3490A

sEE NOTES ON FOLLOWTNG

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P A G E .

t-a

lt

l f

l l

MEASUFEMENT SEOUENCE

lr

r

rl

lt

ri

t i

l

t

r

l

s e r e c r

I s r o n e

I s r r e c r

FOR FULL RANGE NEGATIVE

.

w a r r r N c ,

D E L A y

s e r r r r n c l

tNPUT . NOT DRAWN TO TIME

l p E g r o o l p e n r o o l c a r t s l p e n r o o l

l p o r l n t t v l n E r

OR VOLTAGE SCALE . ALL

1

'l

I

I

cr-,1--!----t

^

OPTION . FOR 50 Hz OPTION,

i

'*'{t

i-----}...'otu''i

TIMES SHOWN ARE FOR 60 Hz

, :l;s, :y;s,

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l

i'Xk

i

INCB € ASE TIM € S BY 2O%,

i

i

,Oü

MAIN TIME BITS CAA

I t o

I,

r P . f '

'

@ ! !

s m s

s m s

5 0 i s

5 m s

A2U2

FET

RANGE &

M I N

M I N

'

r

t

t

l

l

PIN

SWITCH

FUNCTION

ON

OFF

F--r-.	c	i
r l		l l
		I
r

itYrs

5 m s 65 ms

		I V , 1 V , 1 0 V D C	ON
		A L LI I	OFF
		1m v. 1000voc	ON
			O F F
		ALL BANGES	O N
		& FUNCTIONS	OFF
		lm v. 10m vDc	O N
			O F F
1 1		ALL AC RANG € S	O N
			OFF
		ALL DC RANGES,	ON
		N E G I N P U T	O F F
		ALL t} RANGES	ON
			OFF
		ALL ExcEPTsAMPL€/ oN
		HOLDMEASUsEMENTSOFF
		ALL RANGES	ON
		& FUNCTIONS	O F F
		10v, 1000vDc	ON
		R A N G E S	OFF
		r v , r v . ! 0 0v D c	ON
		BANGES,ALLAC	OFF
		1 0K . 1 m 0K	ON
		10.000Ktl	O F F
		r v . rm vDc	oN
		RANG € S,ALL AC	OFF
		I K. lOOKQ BANG€S	ON
			OFF
		r K . 1 0K , 1 m 0K ,	O N
		IO,OMKQ RANGES	O F F
		I V O C . . t K Q R A N G E S	^ : :
2 t	H	ALL OC RANGES .	ON
3490A- C-2940		POS . INPUT, ALL AC	O F F
		ELECTRONIC	ON

swtTcH

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INPUTSHORT

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MTB

I

Figure4-4(al. MeasurementSequence.

l 1