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R G D S R V 1 C U L
HE WLE TT' PAC KA RD
ii
FREQ UEN CY CO UN T ER
5383
OPER ATI N G AN D SERVICE MANU A L
SERIAL PREFIX: 1508, 1516
T his manual a pplies d ir ectly to HP Model 5383
Frequency Cou nte rs h aving serial number prefixes
1508 and 1516 .
NEWER- I N STRUM ENTS
T h is manual, with enclose d "Manual Changes"
sheet, applies to HP Model 5383 Frequency Coun-
ters h aving serial nu mbe r prefixes as listed on the
"Manual Changes" sheet .
Co py right HEWLE TT-P AC K A R D `l 1975
5301 ST EVENS C REEK BLVD ., SA N TA C LAR A, CA L I F . 95050
Printed: MAR 1975
MANUAL PART NUMBER 05383-90001
MICROFICHE PART NUMBER 05383-90 PRINTED IN U.S.A.
HEWLETT& PAC K ARD
M o d el 5383
Table of Co n te n ts
TABLE OF CONTENTS
Section Page
G ENERAL I NFO RMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-1 . I ntrodu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-3 . Instru ment Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-5. Accessories and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-8. Inst ru ment I dentification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
1-11 . M icrofiche Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-13 . R ecommended Test Eq uipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-15 . Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-1 . I n troduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-3 . U npacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-5 . Sto rage and S h ipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-8 . Line Voltage Selectio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2-11 . Mou nting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 2-2
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-1 . I ntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-3 . Controls, Con nectors and ind icators . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-5 . M eas urement Techn iques . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3-7 . Ratio M eas u remen ts (Standard Counte r Only) . . . . . . . . . . . . . . . . . 3-1
3-10 . Operator C h ec k s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
I V THEORY OF OPERATIO N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . 4-1
4-1 . I ntrodu ctio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . 4-1
4-3. Fu nctional Desc rip ti o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 4-1
4-5. Input Ci r cu its . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . 4-1
4-7. B ala n ced Input Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-9. and Main Gate Ci rcuits . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 4-2
4-11 . Scan Timing Ci rcuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 4-2
4-15 . Mu ltiplexe d Display Function . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . 4-4
4-17 . L ead ing Ze ro B la nk ing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . 4-4
4-19 . Un iqu e Integated Ci rcuits . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . 4-4
V C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-1 . Introdu ction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-3. In-Cabinet P erfo rma nce Chec k . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-5. Adj ustme n ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5-7. B ala n ce d I np u t Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
5-10 . Stan da rd Time B ase Oscillator A djustme n t . . . . . . . . . . . . . . . . . . . . 5-5
5-13. Option 001 Time Base Oscillator Adju stment . . . . . . . . . . . . . . . . . . 5-6
5-16 . Instrument Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
5-18 . Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
VI REPLACEABLE PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6-1 . Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6-4. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
6-6 . LE D Dis play Digit O rd ering Info rmation . . . . . . . . . . . . . . . . . . . . . . . . 6-9
VII MANUAL CHANGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7-1 . Introdu ctio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7-3. Manual C hanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7-5 . Newer Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
VIII SC HEMATIC DIAG RAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
8-1 . Introd uctio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Model 5383
List of Tables
List of F igu r es
LIST OF TA BLES
Table Page
1-1 . Recommended Test Eq uipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-2. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3-1 . M easur ement Techniq ues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
4-1 . Sample and Display Timi ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
5-1 . In-Cabinet P e rfo rmance C hec k . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
5-2 . Test Co u nter Set- Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
6-1 . 1 M ain Boa rd Assembly Pa rts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
6-2. 2 Display Boa rd Parts L ist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
6-3 . M iscellaneo us P arts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7
6-4 . M an ufact ure r s Co de List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
. . . . . . . . . . 6-8
6-5 . LE D Display Digit P art N umbe rs . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . 6-9
8-1 . M ajor Signal Defi n itio ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
LIST OF FIG URE S
Figure P age
1-1 . Model 5383 F re quency Co un te r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
2-1 . P ower Cord Co nn ector fo r 240- Volt Operatio n . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-2 . Rac k M ou n ting I nstructio n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-3 . Rac k Mounting K it . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
3-1 . F ront P anel an d Internal Co n trols, In d icato r s and Connecto rs . . . . . . . . . . . 3-5
3-2 . Rear P anel Op erating Con trols and indicators . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
4-1 . Simplified B lock Diag ram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 4-3
4-2. Scan Timing W aveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 4-5
4-3. U pd ate F unctio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4-4. 10S/ Hz L eading Zero Blan k ing F unction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
4-5. H ex Multi plexe d Counter A1 U 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 4-8
4-6. Va riable Time Base Co un ter A1 U 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
5-1 . Display F u nction T roubles h ooti ng F lowc h a rt . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
5-2. Co un te r F unctio n Troubles hooting F lowc hart . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
5-3 . Multi p lexe d Display Bu s M o n ito r i ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12
8-1 . Sc hematic Diagram N otes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8-2 . Mai n Board Sc h ematic Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
10
8-3 . Display B oard Sc h ematic Diag rams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Mod el 5383
Safety Conside rations
SA FETY CO NSIDERATIO NS
G ENE RAL
This is Safety Class instrument. This instrument h as bee n d esigned and tested accord ing to I EC
Publication 348, "Safety R equirements fo r Elect ro n ic M easuring Apparatus," and h as been
su p plied in safe co n dition .
OPER ATION
BEF O RE A PPLYI NG POWER verify th at the p owe r transforme r p rima ry is matched to the available
line voltage and the correct fuse is installed (see Section , Pa r agra p h s 2-8 t hroug h 2-10) . Ma k e
sure that only fuses wit h the req uired rated c ur r ent and of t he s pecified ty p e (normal blow, time
d elay, etc .) are used for replaceme n t. Th e use of repai red f uses and the short-circuiti ng of
fusehold ers must be avoided .
S ERV ICE
i
Althoug h t h is in st r ume n t h as bee n d esigne d in accordance wit h nternational safety standar ds,
this manu al contains information, cautions, and warn i ngs wh ich m ust b e followed to ensu re safe
ope ration and to r etain the instrument in safe condition . Service and adjustments s h oul d be
p erformed only b y qualified service personnel .
Any adju stment, mai ntenan ce, and repair of the opened instru ment und er voltage should be
avoided as muc h as possible and, w hen inevitable, s hou ld be carried o ut only by s k illed person
wh o is awa re of the h azard i nvolved.
Capacito rs i nside the instrume nt may still be charged even if th e instrument h as been d isco n-
n ected from its source of supply .
J& ATTENTION AI
Th is symbol : & , w h ic h appea r s on t h e in strume nt in several places
means : Read th e i n st r uctio n man ual before operati ng th e instrument. If
t h e instrume n t is operated wit hout read ing the instructio ns, it may n ot
ope r ate correctly .
M o d el 5383
Gene ral information
S E CTION 1
G E N ERA L I NF O RM ATIO N
1-1 . I NTR OD U CTION
1-2 . T h is sectio n of t h e ma nu al gives d esc r iptio n of t h e i nst ru ment, i n fo r matio n on i n st ru me n t
i d e n tificatio n a nd available o ptio ns, an d complete specificatio n s.
1-3 . I N STRUMENT DESCRIPTION
1-4 . T h e HP M o d el 5383 (see F ig ur e 1-1) is d i rect-co un ti n g f r equ en cy co u nte r th at has
ra n ge of 10 H z to 512 MH z . N i n e d isp lay d igits pr ovi d e resol u tio n of o n e Hz pe r secon d fo r
inp u ts up to 512 MHz . F r o n t p anel co n trols allow selection of gate times, i n p u t im pe d ances,
a nd atte nu ators. rea r pa n el co nn ecto r a nd associate d selecto r switc h allow eith e r an exte rn al
time base oscillato r inp u t, or monito r i n g of t h e i n ter n al ti m e base oscillato r . Wh en t h e o ptional
tem p e rat u re compe n sated crystal oscillato r (TCXO) is i n stalled , t h e r ea r p a n el conn ecto r serves
only as time base mo n ito r . In ad d itio n , rea r p a n el powe r selecto r switc h p e r mits th e 5383
Co un te r to ope r ate wit h li n e voltages r a n gi n g f r om 90 V to 252V (li n e frequency r ange: 48 440
z) .
1-5 . ACCESSOR I ES A N D O PTIO N S
1-6. Two accesso r ies a r e available fo r moun ti n g t h e 5383 co un ter o n to t h e u se r 's r ac k . T h e
10851 kit p e r mits th e mo un ting of a single co un te r , w h ile t h e 10852 kit is u sed fo r mo un ti n g two
co un te r s i n si d e- b y-side co nfig ur atio n . Refer to Section for d etailed r ac k mo un ting kit
info r matio n .
1-7 . O p tion 001 provid es mo r e acc urate an d stable time b ase oscillato r . T h is Tempe r atu r e
Com p en sated C rystal Oscillato r (TCXO) i n stallatio n mod ifies t h e rea r pa n el so t h at t h e co nn ecto r
is u sed only as M O N ITO R ou tp u t. As r es u lt, an exter nal sta nd a rd (i .e ., time base) ca nn ot be
ap p lie d to t h e option 001 co un ter .
1-8 . I NST RUMENT ID EN TI F ICATION
1-9. H ewlett- P ac k ard u ses 2-section, 10-c h a r acte r se r ial nu mbe r () mou n ted on
t h e rea r p a n el to i d e n tify t h e inst ru ment. T h e fi r st fo ur d igits a r e th e se r ial prefix a nd th e lastfive
i
d igits r efe r to t h e specific i n str ument . T h e alp h abetical c h a r acte r d e ntifies t h e co un t ry of
manufacture . If t h e se r ial prefix on your i n stru me n t diffe r s f rom t h at listed on t h e title page of t h is
i
man u al, th e r e a r e differ e n ces betwee n th e ma nu al a nd yo ur n st ru me n t. Any lower se r ial
p r efixes a r e d oc u me n ted sepa r ately i n t h is man u al, a nd h ig h e r se r ial pr efixes a r e cover ed by
man u al c h a n ge sh eet i n cl ud e d wit h t h e ma nu al .
Figure 1-1 . Model 5383 Frequ en cy Cou n ter
M odel5383
General Informatio n
1-10. The p rinted circu it boa rds withi n th e i nstru ment a r e ide n tifie d by 2-sectio n, 10-d igit pa rt
number (e.g ., 05383-60001) and 4- digit ser ies nu mbe r (e.g ., "SER I ES 1508") . The se ries n u mb e r
i dentifies the electrical characteristics of the com plete prin ted-circu it assem b ly. replaceme nt
ci rc u it-boa rd assembly may h ave d ifferent series nu mbe r t han the assembly origi nally supp lied
wit h t he instru ment. Therefo re, when troubles hooting circu it-boa rd assembly, ensure th at the
series number on the sch ematic d iag ram matches the series number on the b oard assembly. If the
se ries n u mbe r of t h e assembly is lowe r th a n t he num b er on the schematic d iag ram in Sectio n V III,
r efe r to backdati ng information i n th is manual for c hange information . If the series numbe r on
the assem b ly is h ig her than the nu mbe r on the schematic d iagram, the change informatio n is
i
p rovi ded n man ual change sheetwhich is available from the nearest H ewlett- Packard Sales and
Service Office .
1-11. MICROFICHE NUMBER
1-12 . On t h e title page of th is man ual, below th e ma nu al p art num ber, is t he microfich e part
n umber . Th is numbe r may be u sed to order 4 6 transparencies of th e manual . The mic rofiche
p ackage also includes the latest Manual Ch ange Supp lements as well as all pertinent Service
N otes.
1-13. RECOMMENDED TEST EQUIPMENT
1-14. Table 1-1 lists test equ ipment which is r ecommended for confi rming i nstru ment
specifications (i.e., i n-cabi net performance tests), as well as troubles hooti ng and adjusti ng the
in strumen t.
Table 1-1. R ecomme n ded Test Equipme nt
Equ ipmen t Type Required C haracteristics Suggested Model U se*
Oscillosco pe 50 MHz Bandwidth HP 180 System ,
Test Oscillato r 10 Hz to 10 MHz HP 651B P,T
50 mV O utput
Signal Ge ner ato r 10 MHz to 512 MHz HP 8654A P,T
50 mV Outpu t
DVM 0-25V Range HP 970
Frequ en cy Counte r H igh stability 10 MHz HP 5328A with Option 10 A,P
f requency standard o r HP 5345
50 O h m F eed thru 50 O h m Termination HP 11048C ,
Connecto r
* = Adjustments, = Performa nce Test, = Troubleshooting
1-15. SPECIFICATIONS
1-16 . Table 1-2 lists th e 5383 specifications.
Model 5383
General Informatio n
Tab le 1-2. Specifications
FRE QUEN CY RANG E: 10 Hz to 512 MHz
DISP LAY : 9-segmented (LED) digits
INPUT IMPE DA NCE: T hree selectio ns :
50 1 ( n omi nal)
1 1 (<40 pf shun t)
1 10 (<40 p f shunt, attenuation facto r of 10)
SENSITIVITY :
INPU T Switc h Position Frequency Range Sensitivity (RM S)
50 1 20 Hz to 100 MHz 25 mV
100 MHz to 512 MHz 50 mV
1 1 10 Hz to 10 MHz 25 mV
10 MHz to 50 MHz 50 mV
MAXIMUM I NPUT:
INPU T Switc h Positio n Frequency Range Maximum
50 1 (Fuse protecte d) 20 Hz to 512 MHz 3.SV rms (+24 dBm)
1 1 10 Hz to 40 Hz 200 V (Sum of d o + pea k )
40 Hz to 100 kHz 200V do + 250V rms (ac)
100 kHz to 5 MHz 107V rms (ac)
200V do = *2 .5
Freq. (in H z)
5 MHz to 512 MHz 200V do + SV rms (ac)
1 10 10 Hz to 40 Hz 200 V (Sum of d o + peak ac)
40 Hz to 1 MHz 200V do + 250V rms (ac)
V rms (ac)
1 MHz to 50 MHz 200 V do + 2.5 108
Freq. (in Hz)
50 MHz to 512 MH z 200V do + 5V rms (ac)
ATTENUATION : 10 i n 1
ACCU RACY: