HP Car 3490A Lp/0 Al I MArNcrRcurrassEMBLYo34so 6650r +ov +rov, FRoM Sv---*-l---5v, C203 o.33

lp/0 Al I MArNcrRcurrassEMBLY(o34so - 6650r)

l		-	w	z
	I		+:ov	----a-r-r-	+rov
I		W	A	A
			-3ov ----d+-b-		-3ov
				W 5 N o r E r
		FRoM	-sv---<*-l---5v
		POTVER<		W6
		SueeLv	+rzV ----d-tr-E-		+tzv
				w 7
			+5V	-----d-r-b--	+5v
				w 8	_tZV
			_tZV ___-<--b_

3 , t 7

FROM DC AMP OR

SAMPLE/IOLO

7

(HCES)SERIESSW H F R O M A I U 9 ( I 2 )

c2to

3 . 3 o F

N O T E :

I . A I R 2 I O , A I R 2 2 5 , A I R 2 2 8 . T E S T P O I N T SA , 8 . A N D

J U M P E R SI V 5 - W 8 L O C A T E DO N A I A I .

2.R2O7 IS 84O5K iN OPTION 060 INSTRUMENTS: looK tN oPltot{ o50.

3.IF NOISYON FULLSCAI-ER€ADINGSITI DC MODE. CHECK R207, 0206, rj20r,0207, AND U202.

4.O2O9 IS VERY NOISY IF PINCH.OFFVOLTAGE IS NOT CORRECT. SEE PARAGRAPIT7.3I.

s . I F T H E R E r S N O I S E A T L O W I N P U T L E V E L S ( i . , l O O m V INPUTON IOV OC RANGE} CHECK FOR OEFECTIVEC2O7.

? (HMT8) AUTO ZERO L ' F R O MU i l { 5 )

t l

I

I

I

=--

INTEGRATOR

c203 o.33