HP 85660B Spectrum Analyzer RF Section

570 Pages·1999·23.09 MB·English

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HP 85660B Spectrum Analyzer RF Section
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HEWLETT
PACKARD
PH traP .oN01209-06658 ehciforciM traP .oN11209-06658
detnirP niASU rebmeceD0991
@Copyright Hewlett-Packard Company 1990
All Rights Reserved. Reproduction, adaptation, or translation without prior written
noissimrep si ,detibihorp tpecxe sa dewolla rednu eht thgirypoc .swal
2121 yellaV esuoH ,evirD trenhoR ,kraP AC ,9994-82949ASU
Certification
Hewlett-Packard Company certifies that this product met its published specifications at the
time of shipment from the factory. Hewlett-Packard further certifies that its calibration
measurements are traceable to the United States National Institute of Standards and
,ygolonhceT ot eht tnetxe dewolla yb eht s’etutitsnI noitarbilac ,ytilicaf dna ot eht noitarbilac
facilities of other International Standards Organization members.
Warranty
This Hewlett-Packard instrument product is warranted against defects in material and
pihsnamkrow rof a doirep fo eno raey morf etad fo .tnempihs gniruD eht ytnarraw,doirep
drakcaP-ttelweH ynapmoC ,lliw ta sti ,noitpo rehtie riaper ro ecalper stcudorp hcihw evorp ot
eb .evitcefed
roF ytnarraw ecivres ro ,riaper siht tcudorp tsum eb denruter ot a ecivres ytilicafdetangised
yb .PH reyuB llahs yaperp gnippihs segrahc ot PH dna PH llahs yap gnippihs segrahcot
nruter eht tcudorp ot .reyuB ,revewoH reyuB llahs yap lla gnippihs ,segrahc ,seitud dna sexat
for products returned to HP from another country.
PH stnarraw taht sti erawtfos dna erawmrif detangised yb PH rof esu htiw na tnemurtsni
will execute its programming instructions when properly installed on that instrument. HP
seod ton tnarraw taht eht noitarepo fo eht ,tnemurtsni ro ,erawtfos ro erawmrif lliw eb
uninterrupted or error-free.
noitatimiL foytnarraW
ehT gniogerof ytnarraw llahs ton ylppa ot stcefed gnitluser morf reporpmi ro etauqedani
maintenance by Buyer, Buyer-supplied software or interfacing, unauthorized modification or
misuse, operation outside of the environmental specifications for the product, or improper
site preparation or maintenance.
NO OTHER WARRANTY IS EXPRESSED OR IMPLIED. HP SPECIFICALLY
DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE.
evisulcxEseidemeR
THE REMEDIES PROVIDED HEREIN ARE BUYER’S SOLE AND EXCLUSIVE
REMEDIES. HP SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER BASED ON
CONTRACT, TORT, OR ANY OTHER LEGAL THEORY.
ecnatsissA
Product maintenance agreements and other customer assistance agreements are available for
Hewlett-Packard products.
For any assistance, contact your nearest Hewlett-Packard Sales and Service Office.
. ..
iii
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ehT gniwollof ytefas slobmys era desu tuohguorht siht .launam ezirailimaF flesruoy htiw hcae
fo eht slobmys dna sti gninaem erofeb gnitarepo siht .tnemurtsni
Caution ehT caution ngis setoned a .drazah tI sllac noitnetta ot a erudecorp,hcihw
fi ton yltcerroc demrofrep ro derehda ,ot dluoc tluser ni egamad ot ro
noitcurtsed fo eht .tnemurtsni oD ton deecorp dnoyeb a ngis litnu eht
caution
u
indicated conditions are fully understood and met.
Warning The sign denotes a hazard. It calls attention to a procedure which,
warning
if not correctly performed or adhered to, could result in injury or loss of life.
oD ton deecorp dnoyeb a sign until the indicated conditions are fully
warning
Q
dootsrednu dna.tem
lareneG ytefaSsnoitaredisnoC
gninraW on, make sure it has been properly grounded
Before this instrument is switched
hguorht eht evitcetorp rotcudnoc fo eht ca rewop elbac ot a tekcosteltuo
dedivorp htiw evitcetorp htrae.tcatnoc
9
ynA noitpurretni fo eht evitcetorp )gnidnuorg( ,rotcudnoc edisni roedistuo
eht ,tnemurtsni ro noitcennocsid fo eht evitcetorp htrae lanimret nac tluserni
lanosrep.yrujni
Warning erehT era ynam stniop ni eht tnemurtsni hcihw ,nac fi ,detcatnoc esuaclanosrep
.yrujni eB ylemertxe.luferac
ynA stnemtsujda ro ecivres serudecorp taht eriuqer noitarepo fo ehttnemurtsni
htiw evitcetorp srevoc devomer dluohs eb demrofrep ylno yb deniartecivres
personnel.
Caution Before this instrument is switched on, ekam erus sti yramirp rewopyrtiucric
sah neeb detpada ot eht egatlov fo eht ca rewop.ecruos
eruliaF ot tes eht ca rewop tupni ot eht tcerroc egatlov dluoc esuac egamadot
eht tnemurtsni nehw eht ca rewop elbac si deggulp.ni
iv
stnetnoC
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General information on the contents of the manual, including storage,
General Information
shipment, and packaging.
Troubleshooting index, special messages, diagnostic functions, error
Overall
correction routine, sweep system block diagram and troubleshooting,
Troubleshooting
mnemonics listing, and spectrum analyzer overall block diagram.
Phase lock loop operation, start frequency tuning equations, and phase
Analog
lock troubleshooting.
Troubleshooting
Instrument preset checks, digital storage verification, and RF digital
Digital
troubleshooting block diagram.
Troubleshooting
Service sheets containing circuit descriptions, troubleshooting
A5 Front Panel
information (if applicable), replacement procedures (if applicable),
through A8
elbaecalper strap ,stsil strap noitacifitnedi fi( ,)elbacilppa kcolb
Rectifier/AS Power
diagrams, component locations, and schematic diagrams.
Line Module
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Service sheets containing circuit descriptions, troubleshooting
A10 20/30
information (if applicable), replacement procedures (if applicable),
Synthesizer through
elbaecalper strap ,stsil strap noitacifitnedi fi( ,)elbacilppa kcolb
A23 Motherboard
diagrams, component locations, and schematic diagrams.
Replaceable parts information, reference designations and
General Parts Listing
abbreviations, manufacturer’s code list, RF miscellaneous parts list,
RF assemblies parts list, and instrument parts identification.
RF section major assembly and component locations.
Major Assembly and
Comuonent Locations
Contents 1
lareneG noitamrofnI
Introduction
sihT emulov fo eht gnitoohselbuorT dna riapeR launaM sniatnoc noitamrofni rof eht
troubleshooting and repair of the RF Section of the instrument. This information is combined
ni ecivres steehs dna dexedni htiw sbat rof kciuq .ecnerefer oslA deniatnoc ni sihtemulov
are overall troubleshooting information and illustrations of the instrument useful in isolating
seruliaf ot eht FR ro yalpsiD-FInoitceS
stnemurtsnI derevoC yb sihTlaunaM
sihT gnitoohselbuorT dna riapeR launam sniatnoc noitamrofni rof eht gnicivres fo lla
PH B06658 FR snoitceS htiw laires rebmun sexiferp fo A0142 dna .evoba ehT seilbmessafo
eht PH BA6658 tiforteR tiK PH( A6658 ot PH B6658 tiforteR )tiK era osla derevoc nisiht
.launam ehT gniwollof PH B06658 FR snoitceS snoitpO era derevoc ni siht .launam
Option 001 lf57( )tupnI
n
Option 400 (400 Hz Operation)
n
noitpO 264 eslupmI( )shtdiwdnaB
n
segnahC taht era edam ot eht PH B06658 retfa eht gnitnirp fo siht launam lliw eb dedulcnini
an update supplement.
ehT PH B06658 FR noitceS si desu htiw eht PH A26658 yalpsiD-FI noitceS sa eht PHB6658
murtcepS .rezylanA ehT PH B06658 FR noitceS si desu htiw eht PH A26658 noitpO 264
yalpsiD-FI noitceS sa eht PH B6658 noitpO 264 murtcepS .rezylanA
ecivreSsteehS
ehT ecivres steehs ni siht launam era dezinagro ni ciremunahpla redro dna era dexednihtiw
sbat ot ekam ti ysae ot etacol a cificeps ecivres .teehs hcaE fo eht ecivres steehs niatnoceht
following information:
w Circuit Description (where practical)
tnemecalpeR erudecorP erehw( )lacitcarp
n
w Troubleshooting Hints (where practical)
w Replaceable Parts List
tnenopmoC noitacoL noitartsullI
n
w Parts Identification (where practical)
kcolB margaiD erehw()lacitcarp
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General Information 1
citamehcSmargaiD
n
tnemecalpeRserudecorP
tnemecalpeR serudecorp era dedulcni rof esu ni gnivomer dna gnicalper seilbmessa rof .riaper
yehT era detacol ni eht gniwollof:snoitces
w A5 Front Panel
Front Panel Removal and Repair
w 6A FReludoM
A6 RF Module Replacement
lA6A laixaoC hctiwS dna A6A17 003 zHM FPBtnemecalpeR
A6A2 RF Attenuator Replacement
A6A4 Second Converter Replacement
A6A6 First Converter Replacement
A6A15 3.6 GHz ,FPB A6A16 1.5 GHz
LPF, and A6A18 LPF Replacement
A6A3 tsaLretrevnoC
n
A6A3 Last Converter Replacement
H A6A7 XTY tnerruC Driver/A6A5 ACLU/A6A8 XTY
A6A5 Amplifier/Coupler/Load Unit
(ACLU) Replacement
A6A7 YTX Current Driver Replacement
A6A8 YTX Replacement
w A7M/N-Reference
A7 M/N-Reference Replacement
H 8A 9A/reifitceR rewoP eniL eludoM
RF Section Internal Fuse Replacement
Transformer Replacement
Power Transistor Replacement
llA OTYpooL
n
All YTO Loop and 3AllA YTO
(2.0 to 6.2 GHz )rotallicsOtnemecalpeR
7lA evitisoP rotalugeR
n
RF Section Internal Fuse Replacement
8lA evitageNrotalugeR
n
RF Section Internal Fuse Replacement
2 General Information
rojaM ylbmessA dna tnenopmoCsnoitacoL
Major assembly and component location illustrations for the RF Section are located at the
raer fo siht .launam
Troubleshooting
gnitoohselbuorT noitamrofni rof eht FR noitceS si dedivid otni eerht slevel sa:swollof
W Instrument Level
Spectrum Analyzer Overall Troubleshooting
w Section Level
RF Section Analog Troubleshooting
RF Section Digital Troubleshooting
A6 RF Module
A7 M/N-Reference/A22 10 MHz Frequency Standard
A10 20/30 rezisehtnyS
All YTO Loop
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n
Most assemblies have troubleshooting hints immediately following circuit descriptions.
gnitoohselbuorT noitamrofni si osla detacol no ylbmessa level kcolb ,smargaid ,seton dna
schematics.
llA seilbmessa era dexedni yb bat tpecxe rof eht seno detsil .woleb ehT xedni bat yeht naceb
dnuof rednu si osla.detsil
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Assembly Location
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Materials
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w Static-free work station.
Procedure
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stcatnoc ,ylsuorogiv gnisu a ralucric .noitom hsiloP eno edis fo eht draob ta a emitlitnu
the contacts shine, keeping the cloth damp to dissolve contaminants and reduce static
electricity.
General Information 3
.2 gnisU a naelc ,htolc yrd eht stcatnoc yb gnipiw morf rieht edisni ot edistuo .egdesihT
stneverp selcitrap morf gnidliub pu no eht tcatnoc .segde
Caution oD ton esu sresare ot naelc eht egde .srotcennoc yehT esuaccipocsorcim
egamad ot eht tcatnoc ,ecafrus gnivomer eht niht dlog gnitalp dna gnisopxe
eht lekcin ,gnitalprednu hcihw yllautneve .sedorroc sresarE osla evael a mlif no
9
the contact and generate static electricity.
oD ton esu repap fo yna dnik ot naelc eht egde rotcennoc .stcatnoc repaPro
tnil selcitrap tfel no eht egde tcatnoc ecafrus nac esuac tnettimretnilacirtcele
connections.
oD ton hcuot tcatnoc ro ecart secafrus htiw erab .sdnah syawlA eldnah eht
draob yb sti.segde
BI-PH sserddAnoitceleS
ehT BI-PH sserdda rof eht PH B6658 si teserp ta eht yrotcaf yb snaem fo atnemges-evif
yranib hctiws detacol no eht 5lA rellortnoC .ylbmessA sihT hctiws si tes ot eht yranib
rebmun 11111 hcihw sdnopserroc ot a lamiced tnelaviuqe fo .13 ehT rebmun 13 si alaiceps
instruction code that commands the instrument to use the last input address stored in
.yromem sihT derots BI-PH sserdda si IICSA R2 ( d amice ll )81 dna senimreted eht sserdda ot
eb desu no rewop“”.pu
ehT BI-PH sserdda yam eb degnahc ot yna fo eht sesserdda detsil ni elbaT 2 yb gnittesereht
BI-PH address hctiws ot dnopserroc ot eht yranib tnelaviuqe fo eht derised IICSAretcarahc
ro lamiced eulav sa detacidni ni eht .elbat ehT tnemges-evif hctiws si detartsulli ni erugiF 1
dna si nwohs ni sti teserp noitisop lamiced(.)13
4 General Information
elbaT .2 ecnerefeR-ssorC neewteB ,IICSA ,lamiceD dna yraniBsserddA
Codes
ASCII Character Decimal Value 5-Bit Binary Equivalent
@ SP 00 00000
A ! 01 00001
B ” 02 00010
C # 03 00011
D $ 04 00100
E % 05 00101
F & 06 00110
G ’ 07 00111
H ( 08 01000
I > 09 01001
J * 10 01010
K + 11 01011
L ’ 12 01100
M - 13 01101
N . 14 01110
0 / 15 01111
P 0 16 10000
Q
1 17 10001
R 2 18 10010
S 3 19 10011
T 4 20 10100
U 5 21 10101
V 6 22 10110
W 7 23 10111
X 8 24 11000
Y 9 25 11001
Z 26 11010
[ ; 27 11011
\ < 28 11100
] =
29 11101
? > 30 11110
General Information 5