HP 3575A User Manual

Modcl 35754
ADJUSTMENT
PBOCEDURES
5-37. Panel Meter/Analog 0utput
Adiustments.
5-38. These adjustnrcnts
set
the
pattcl
nleter
displays to
coinuide
rvith lilc anllog
oLrtputs.
a. Set
A5S1 to CAL l.
Set A65l to CAL 1.
b.
Record rcading of
phase panel Ineter
(right
nreter).
Reading
shoukl
be approxiruately
180o.
c. Set
A5Sl ro CAL 1. Set
A65l to CAL
L
d.
Rccord rcading
of
phase pancl
Ineter
(right
nreter)
next to
recorded rcadin.e
of Step b.
e. Ad.just 422R5
oi
panel
ttreter
for a
readilg ccrltered
bctweel tlle
readings
recordcd in Steps
b and d.
l. For a standard
illstrunlent
(oltc
panel nletel) sct
A5Sl and
465I to
NORI\{AL
(.1).
For
Optiorrs
001
-
003,
perform
Stcps
g
through
i.
g.
A5Sl and
A6Sl rcmairt sel
lionr Step
c. Shorl
A9TPI and
A 10TP1
togethcL.
h. Adjust
A22R5 ol the
lelt
parrel
Ineter
until
rerding
is
sanre
as that ol the
right
patlel
neter.
i. Sel A5S I ard
A65 1 to
NOIiMAL
(4).
5-39.
Amplitude 0ffset
Adiustmenl.
5-40. This adjustnlcnt
sets
tlle dc opcrating
point
of the
Sunrnring
Amplifier
in the Function
Switching Assentbll.
A8.
RECOMN,IENDED
TLST EQUIPN'IENT:
Frecluency Synthesizer
(ip-
Model 3320B)*
DC Digital
Voltnretcr
(Jrp-
Model 3.1508)
5O-Ohrn
Fccd-Thru
Ternrination
(-hp-
Modcl 1 10'18C)
a. Conreut
50-ohnt
output of Frequency
Syrlthesizer,
tcrminrted in
50-ohnr load, to
the chrnnel
B input of the
35754. Conncct the
DC Digilal
Voltnreter to ATPl
pin
2
(Options
001
-
003: Conrecr
DV\t to ANAI-OG
OUTPU'I
2).
b. Set the
-3575A
controls iis
iirllo\\'s:
DISPL;\Y**.
.....ANIPLITUDT:
AMPi,ITUDEFT-]NCTIO\
.,.,,,..,..,.8
VoltageRange
.....01rnV'lV
(both
cirlnnels)
FREQUEhVCY
RA\-GE
. . . .
.
l0
llz-100ktlz
c.
Set thc
Frequencl Synthesilcr
amplitude
to
+
19.03 dBnr
(2
V rns/50 ohrrs) and
frc(luenc)
to 1 kHz.
d. Rccord
the DVM
readirtg:
mV dc.
e.
Collnect
the
DC DiSilal
Voitnlcter
to ANALOC
OUTPI]T
I .
l. Adjust
.{8R43
until the
DVM
indicatcs the
valtLe
recorded
itr Step
d
10.1
mV dc.
541. Log
Amplif ier
Adjustments.
5-,12. These
adjustnrents
sc1 the dc bils.
!ain
rnd
syrrlnlclr)
ol
the
Log Anrpliiier
and Sytichron,rus
Rectifier in
each
input chlrnnel.
Thcse are
the
prinrury
amplitude
accttlllcl
adjustnlellts
in llte i struntcnt.
RLCONlN'IINDED TEST
t--QUIPN,lENT:
Frcqlrenc)
S) nlhesirer
(-hp-
N'lodel 3320B)
DC Digilal
Voltmeter
(Jrp-
Model
3450A)
Vrriable
AtlcnLralor
(-hp-
Model 355D)
5O"Ohm
Feed-Thru
'fernriration
(Jrp-
Modcl 11048C)
NOTE
The
Jblktwitg
procetlute
is
pet.lbmrcd
iirst Jbr
clutntel
B
ond
tlrc agaitl
fitr
<ltatutel
A Thc
tlrunncl
B ddi6tnrcnts
ate
locut&l ott
tlrc
chantcl
B Log Crnvcrter
boartl,
A1. Tha
charnel
A aLljustnrcttts
urt
located ott tlrc
cha
ncl A ltry Crttverter
boanl,13.
a. Connect
thE
50-{)hnt
outpul o[ the
F'rcquency
Synthcsizer
to the
inpLrt ol the
Variable Atlenurtor
(no
lelnrination recluired).
Cotttrccl
llle outptlt
of the
Variable
Attenuator.
tennirated
in 50-oltrn
load,
to the Channcl
B
input ol thc
3575A.
h. Set the 3575A controls
as llllows:
DISPLAY*{'-
.....
A\TPLITUDE-
AMPLITUD|
FITN(ITION
. . . . . .
.
.
...8
Voltagc
Range
.
. .
.
0.1
nr\r
-2
V
(bot1i
clrannels)
FREQLILNCYRANGE
.
. ... 10tlz'100kHz
PHASI:REFEIII:NCE
.
..............
A
c. Set
the
Frecluertcy
Synthesizer
anlplitude
to
+
19.03 dBnr
(l
V
rnrs/50
ohrtrs) and
frcquenc.v
lo l0 kHz.
d. Set
thc
Variable Atlcnuator
to 80 dB.
e.
Connecl
DC Digital
Voltnleter
to A3/A'ITP1.
i. Adiust
Al/A2
R,10
(LOC
TPI ADJ)
iirr a DVM
reading of 0
\r
r
0.1
V dc.
g.
Connect
DC Digital
Voltrneter
to ATPl
pin
22
(Channel
B) or ATPl
pin
z
(Channcl A).
Section
V
*A
Test Oscillator
such
as the
hp-
lvlodel
65lBcanbeusedinplaceoftheFrequencySynthesizer.
**Options
001 003:
Set the
AUPLITUDE B/PHASE switch
to AMPLITUDE
B
5-n

HP 3575A Specifications

General

Brand	HP
Model	3575A
Category	Measuring Instruments
Language	English