Tektronix DC 504 Instruction Manual Download Page 1

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Summary of Contents for DC 504

Page 1: ...c 4 L F s S x yL 4 S ki r yF F 4 TR R F L R F J Y14 xi i f _ y S55 S Tywis t r i _ s t r 7i L k f _ Y 1J1 u e F r i z st f v w _ 1 _ is AO s s y F t i ti s Ay k w 9 w _ i44 a S t r A y k t i r ar F F _kR Y IM r 1 5 S y h 7i Y _ y ti F F 1 tis ki T s r r4 i r i tk h l f 4w F 7 k i i d 12 r t i w ir 5 F s 1r 7 iti _rr I kp 1 y r tic _ t a y e yk5 f a ACT t rrt k S7 r r t z k SF a f P n w 4 if 4 r 2l...

Page 2: ...ECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL DC 504 COUNTER TIMER Francais Deutsch 8 INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 Serial Number 070 1670 01 First Printing JUN 1974 Product Group 75 Revised DEC 1984 ...

Page 3: ... five I it f t ri l rtumb r r a a n d u t t l and are ur iqu t a h instrum r t Th n f tur i i tf e l r7it t t a re ai nl diiit The ur try of m nuf tuf a i entifi d as fal o 0 0 T ktr ni c Ir eavart n r g IJ Te Ctr ni er Ltd h nr l I I r ds 0 el trani c Unit I if gdam Ltd Lar d ri r Tr troni le n 0 0 T I tr nix H II r 11 Haeren r T therl nds ...

Page 4: ...ts 1 6 Totalizing 1 7 ALLGEMEINE BESCHREIBUNG 1 1 GEBRAUCH 1 1 FUNCTIONS AVAILABLE AT REAR Ein Und Ausbauanweisung INTERFACE CONNECTOR CONTROL Bedienungselemente Und Stecker 1 1 LINES 1 8 EINGANGSBEDINGUNGEN 1 4 Signal Lines 1 8 Eingangswahl 1 4 REPACKAGING FOR SHIPMENT 1 9 Triggeung 1 4 Messung Von Intervallen 1 4 Maximale Eingangsspannung Empfindlichkeit Und Frequenzbereich 1 4 Einstellung Der F...

Page 5: ...ronmental Characteristics 2 3 Performance Check 2 4 OPTIONS WARNING The remaining portion of this Table of Contents lists the servicing instructions These servicing instructions are for use by qualified personnel only To avoid electrical shock do not perform any servicing other than that called out in the operating instructions unless qualified to do so Section 3 ADJUSTMENT 3 1 Section 4 MAINTENAN...

Page 6: ...ON indicates a personal injury hazard not immediately accessible as one reads the marking or a hazard to property including the equipment itself DANGER indicates a personal injury hazard immediately accessible as one reads the markings In This Manual QThis symbol indicates where applicable cautionary or other information is to be found As Marked on Equipment DANGER High Voltage O Protective ground...

Page 7: ... panels properly installed Do Not Operate Without Covers To avoid personal injury do not operate this instrument without covers or panels installed Do not apply power to the instrument via a plug in extender Do Not Service Alone Power Source SERVICING SAFETY SUMMARY FOR QUALIFIED SERVICE PERSONNEL ONLY Do not perform internal service or adjustment of this instrument unless another person capable o...

Page 8: ...ppareil Dane ce manuel TERMES Les nota denommes Attention indiquent les circonstances ou les manipulations pouvant provoquer des deteriorations de I appareil ou de tout autre equipement associe Les nota denommes Avertissement indiquent les circonstances ou lee manipulations pouvant entrafner blessures corporelles eventuellement mortelles CAUTION attention Ce mot identifie les zones de risque de bl...

Page 9: ...ncident corporel grave ne pas oter lee panneaux ou capots de protection de appareil Celui ci ne dolt pas fonctionner tant que lee panneaux et capots n ont pas correctement ete mis en place Ne pas faire fonctionner appareil sans les capots et panneaux pour les tiroirs de la eerie TM 500 uniquement Pour eviter tout incident corporel grace ne pas utiliser appareil alors que les capots ou panneaux ne ...

Page 10: ...zufalliges Beruhren an einer nicht unmit telbar zug nglichen Stelle Personenschaden entstehen kann oder Schaden am Gerat selbst DANGER GEFAHR weist darauf hin daf3 durch zuffilliges Beruhren an einer zug nglichen Stelle Personenschaden entstehen kann SYMBOLE In diesem Handbuch Dieses Symbol zeigt an wo Vorsicht walten zu lassen ist oder wo Informationen zu finden sind Markierungen auf dem Gerat GE...

Page 11: ... Zur Vermeidung von Personenschaden ist das Gerat nicht ohne Gehause in Betrieb zu nehmen Der Einschub sollte nicht uber einen Verlangerungsadapter betrieben werden SICHERHEITSANGABEN FUR DEN SERVICE NUR FUR GESCHULTES PERSONAL Beziehen Sie sich auch auf die vorangehenden Sicherheitsangaben fur den Anwender Fiihren Sie keine Servicetatigkeiten alleine durch Nehmen Sie an dem Gerat keine Service od...

Page 12: ... c L 0 6 l 1 J 7 J Cd 1L Y dl c TJ Z F o t crZ td C Ji 3 7 cr t JtJrt f c f WARNING T 6 J 1 6 t f h C6 Lt tL i CAUTION T il t ith 6 s CAUTION atrc i tZ a f i L 1 1 C a c 1 i7l r T J 7 1 J i n L S X DANGER p 1Zw7aafi53 6 1 1 6 fe R h C4 1 o Z kfttd Z h o y DANGER Wlt O 1 p r fth q i m Q ATTENTION OCT 1980 4_ ...

Page 13: ...1 1 f 1 t t pFr z 6 1 fi td Z h o y7 ll 1 1 o i11 t t i a t liic F 1 iJ td z h o OCT 1980 DC 504 1 l C t r fa T o r f JA 1 i t t ii t li o tJ t 1 zZlli L o Z 1 PhZ 4r Z h a fhJiiGG t i i lL O i 1 o lli DC 504 t ilk F o p a l i il F 7 7 r7i F il 250VrmsL l J la 1 il Z 1 i Jll o c XI ...

Page 14: ...Fig 1 1 The DC 504 167Q 07 OCT 1980 ...

Page 15: ... is indicated by a front panel LED applying power INSTALLATION AND REMOVAL To remove the DC 504 pull on the release latch located in the lower left corner until the interconnecting jack disengages and the DC 504 will slide out CA UTION Apply power to the DC 504 by pulling out the power Turn the powermodule offbefore inserting the plug switch knob of the power module in otherwise damage may occur t...

Page 16: ...latch over ride or at the switch that in the RPM end of the count norm position allows the FREQUENCY positions of OSC the FUNCTION switch to INT EXT Oscillator be used for events per A two position slide minute measurements switch that selects whether the clock signal for the DC 504 is from the Input Coupling internal oscillator or from an external clock that is A two position slide connected to P...

Page 17: ... by pressing the RESET button TRIGGER LEVEL Control Selects the amplitude point on the input signal at which the triggering window is placed REV C JAN 1977 SOURCE Switch RESET Pushbutton Selects signal input source INT selects the Momentary pushbutton rear connector input EXT which manually resets selects the front panel acts as a master reset BNC connector input and provides a segment check of th...

Page 18: ...ls below 10 Hz Thus for period measurements longerthan 0 1 s do coupling should be used Because of the very high input sensitivity of the DC 504 signal sources and coaxial cables providing the input to TRIGGER LEVEL The TRIGGER LEVEL control must the counter timer must be terminated in their be properly adjusted for a stable reading It will not be characteristic impedances if fast rise time signal...

Page 19: ...ion REV C JAN 1977 4 C Common example of improperly terminated signal 400 mV ring can cause undesirable double triggering ts7o oa Fig 1 5 Illustration showing effects of proper Input signal termination and improper input signal termination Noise Impulses 20 millivolt rms Mysteresis window AI Erroneous count B Correct count Operating Instructions DC 504 Fig 1 6 Triggering circuit responses to impro...

Page 20: ...ignificant number overflows the last storage register Note that the increased resolution does not change the accuracy of the measurement Jitter in the input signal will become more apparent as the resolution increases APPLICATIONS Table 1 1 MHz 1 kHz 6 ms 10 000 MHz 1 kHz 60 ms 1 000 kHz 10 Hz 6 s 100 kHz 1 Hz 6 s or 1 m 10 kHz 1 Hz 60sor1 m 1 The DISPLAY TIME control setting about 0 1 s minimum w...

Page 21: ...signal events are counted for added to the total This is the most reliable method of some number of clock pulses then displayed In PERIOD stopping the count Adiscrete transistor oropen collector clock pulses are counted for some number of signal events logic should be used to pull pin 28B on the interface then displayed connector low i e pin 28B must not be forced high Rotating the TRIGGER LEVEL c...

Page 22: ...15 but no more than 70 Individual DC 504s may allow the user to exceed these limits by a small margain It is possible for large amplitude fast rise external oscillator signals to generate crosstalk with the internal 1 MHzat S160 Thus it is recommended thatthe Ext Clock Input be removed from pin 14A if it is not to be used for a period of time Likewise if you expect to use an external oscillator as...

Page 23: ...an be contacted Include complete instrument and having inside dimensions of no less than six inches serial number and a description of the service required more than the instrument dimensions Cushion the Save and re use the package in which your instrument was instrument by tightly packing three inches of dunnage shipped If the original packaging is unfit for use or not or urethanefoam between car...

Page 24: ...vant in dique le depassement de la capacite Les signaux compter ou mesurer peuvent titre appli ques une prise BNCsituee sur le panneau avant ou sur le connecteur situe i3 I arrie3re de I appareil INSTRUCTIONS D UTILISATION Le DC 504 est conGu pour fonctionner dans n importe quel compartiment des chassis d alimentation Tektronix TM 500 I I est egalement compatible avec les autres mem bres de la ser...

Page 25: ...ne pour pouvoir obtenir un affichage stable II n y aura aucu soit le connecteur d interface situe sur le panneau arriere ne difficulte a effectuer ce reglage e moins que la valeur par I intermediaire de la broche 16A source interne de amplitude du signal ou de la frequence ne se trouve e proximite ou peut titre au dessus des caracteristiques li L entree externe presente une haute impedance d envi ...

Page 26: ...affichage RESET Commande du niveau de declenchement TRIGGER LEVEL Selectionne amplitude du ni veau de declenchement sur le signal applique e la prise d en tree I I I i i ii Lia Indicateur de comptage L indicateur s illumine pendant la duree du comptage 3iS LAY FIf6 11W FUIU CTl IV FREQUENCY TOTALI2E PERiOD Bouton poussoir de remise Commutateur de la source du zero de faffichage RESET signal SOURCE...

Page 27: ...lers French 1 4 au fur et mesure de la rotation de la commande TR IG GER LEVEL voir Fig 1 5 pour les examples Le circuit de d clenchement r pond aux transitions n gatives ou aux transitions positives pour les deux fonctions fr quence et p riode APPLICATIONS Mesures de fr quence Pour mesurer et lire la fr quence d un signal jusqu 8 80 MHz s lectionner la dur e de comptage appropri e I aide de la co...

Page 28: ...rovoquer un double d clenchement ind sirable TF 1670 04 7670 23 Fig 1 5 Illustration des effete d un signal d entr e avec terminaison corrects et avec terminaison incorrecte r rrr r rr r A Comptage erront B Comptage correct Instructions de fonctionnement DC 504 I Sortie du circuit de d clenche ment montrant un d8clenchement sur lee cr6tes de suroscillations TF 1339 1670 24 Fig 1 6 R ponses du circ...

Page 29: ...tuee sur le con te necteur arriere est deconnectee de la masse le fonctionne ment en mode TOTALIZE sera stoppe aucun futur eve nement ne sera ajoute au resultat obtenu C est la metho de la plus sure pour stopper le comptage Un transistor ou un circuit logique a collecteur ouvert peut fare utilise pour forcer la broche 28E de interface arriere e I etat bas On ne doit en aucun cas forcer la broche 2...

Page 30: ...entation La ligne d entree de rearmement broche 26A servant egalement de ligne de sortie remet e zero I affichage du compteur lorsqu on lui applique un niveau bas II est possible d utiliser un signal d horloge externe a la place d un signal d horloge interne 1 MHz en reliant le standard externe avec la ligne d entree de I horloge exter ne broche 14A et en pla ant le commutateur EXT INT de I oscill...

Page 31: ... du registre de I affichage la li gne de sortie Latch broche 198 fournit une impulsion positive de information correcte data good pendant environ une dur e de 10 s Les lignes de sortie sont en format B C D suivant le co de 1 2 4 8 chiffre par chiffre La sortie est en logique positive et est utilise en association avec les lignes de sor tie de selection de chiffre Les lignes 1 2 4 8 correspon dent ...

Page 32: ...tur entspricht L BEDIENUNGSANLEITUNG VORBEREITUNG FUR DEN GEBRAUCH EIN UND AUSBAUANWEISUNG lJberpriifen Sie ob der DC504 korrekt in die Versor gungseinheit eingesetzt ist and schalten Sie den Netz schalter ein Es sollte nun die LED Anzeige leuchten Vor dem Einsetzen oder Herausnehmen des DC504 ist die Versorgungseinheit unbedingt auszuschal ten ALLGEMEINE BESCHREIBUNG Kapitel 1 DC 504 BEDIENUNGSEL...

Page 33: ...IDE oder ob erst nach Beendigung des Zahlvorgangs NORM Zweistufiger Schiebe schalter der in der Posi tion RPM die Messung von Umdrehungen pro Interner externen Oszillator Minute ermoglicht Der Funktionsschalter mu 3 Umdrehungen pro Minute RPM TG 1412 2 1670 25 Der zweistufige Sbhiebeschal in dieser Betriebsart auf ter wahlt den externen oder Frequenzmessung ste internen Oszillator Der externe hen ...

Page 34: ...EL Triggerpegel Wahlt den Amplituden punkt aufdem Eingangs signal bei dem die Trig gerung stattfindet h t x VIA art i 1 frt r RE fT SOURCE Eingangs signalquelle RESET Zurucksetzen Wahlt den Signalein Drucktaste fiir die ma gang In der Stellung INT nuelle Ruckstellung der wird der Eingang an der 5 Digits Die Ruckstel ruckseitigen Kontaktlei lung dient auch zur Pru ste eingeschaltet bei fang des Dis...

Page 35: ...on Signalen unter 10 Hz Fur Kopplung oder 10 Hz AC Kopplung Periodendauermessungen uber 0 1 s muf3 DC Kopplung benutzt werden Wegen der hohen Eingangsempfindlichkeit des DC504 miissen Signalquellen and Koaxialleitungen bei Triggerpegel Der Triggerpegelregler TRIGGER der Messung von Signalen mit steilen Anstiegen mit LEVEL muff so eingestellt werden dab eine stabile Fre ihrem Impedanzwertabgeschlos...

Page 36: ...en mit schlechtem Abschluf3 I Eingang Signal DC504 C Beispiel fiir einen schlechten Abschlu8 Das Schwingen von 400 mV kann unerwiinschte Doppeltriggerungen hervorrufen TG ts7o oa s7o za Abb 1 5 Die Darstellung zeigt die Veranderungen des Eingangssignals bei richtigem and falschem Signalabschluf3 Rauschen 20 mVeff Hysteresefenster A Fehlerbehaftete Zahlung B Einwandfreie Zahlung Abb 1 fi Verhalten ...

Page 37: ... zur Folge haben Uberlauf Durch eine absichtliche Benutzung des MESSUNG VON UMDREHUNGEN lJberlaufs ist es moglich die Auflosung des Zahlers zu PRO MINUTE RPM erhohen Wahlen Sie die Stellung des Funktionsschal Der interne Schalter RPM ermoglicht in der Stellung ters bei der alle LED s den Mef3wert darstellen ht herwer RPM Messungen von Umdrehungen pro Minute Bei die tigste Zahl ganz links Merken Si...

Page 38: ...end einer bestimmten Anzahl von Clockpulsen g g gestoppt die ankommenden Ereignisse gezahlt and dargestellt Bei der Periodendauermessung werden nicht mehr aufaddiert Diese Methode ist die zu n erden die Clockpulse wahrend einer bestimmten verlassigste die zum Stoppen des Zahlers fuhrt Ein dis Anzahl von Eingangssignalen gezahlt kreter Transistor oder eine offene Kollektor Logik sollte zum Schalten...

Page 39: ...ngang ist etwas abhangig vom Tastverhaltnis des Signals Empfehlenswert sind Tastver haltnisse zwischen 15 and 70 furden positiven Signal Die BCD Ausgangsleitungen geben das Signal in anteil Verschiedene DC504 konnen diese Grenzwerte 8 4 2 1 Form seriell fur alle Digits aus Der Ausgang hat geringfiigig uberschreiten Es ist moglich daft externe eine Logik mit aktivem HI Signal and wird in Zusammen O...

Page 40: ...r Festigkeit zu setzen Die Innenmaf3e zers der Gerate Serien Nr and der gewilnschten Ser dieses Kartons sollten ca 15 cm grbf3er sein als die viceleistung bei Gerateabmessungen Polstern Sie das Gerat allseitig mit Styroporflocken oder Schaum Der Karton ist Bewahren Sie die Originalverpackung des Gerates fur auf3en mit Verpackungsband zu umwickeln evtl Wiederverwendung auf Steht diese nicht mehr zu...

Page 41: ...G f1L o DC504 t3TM500i 2v Z rl 1 h o REV JAN 1982 r I O 0 _ f J v r DC504 1 DC504 1 yk L b _ 1 Tip 6fi rta T o 1ti J c El L tiJEi9Bo f i 9 7x f T a 49 i l 490 DC504 t31AJf Ix 0 C 50 C ZT F 11 40 C 75 C n y h F o a F 1 2p 6 Z 6 Z IZ 3t wza1 1T o 1 x JxLaS 1 DC504 Li tit 1 o yt DC504 _ f l f Z 1Li t nnAl3 T h9 fR6 q i ttz plil r n l9 L h c t1Ta Z LT F Z i 7 Jxi i o 4 cv T i1 rJ t v 71 r 6 LEDi J L D...

Page 42: ... 7 v Norm r h C cY RPM tt3fi 7j 2 E 3i N o 2 d vv 2t isi x TF x s i x7 f F xT rat T i T RPM1 t13FUN CTION x r FREOUENCY 1 t 4 3 t t 1 5 P o F co i 9 t OSC INT EXT DC504 9 v r 910 fxJ oR sfi y 3 i 3 l3 779 i 99 t i14 3fi i Ft 32tvvai 3 710 i YrTt 9 x7T F xT ri t AC DC t r t o 3fi i R 32i ie i xT r 4 t d o 1 3D I 1 R f r s TJ 1412 2 1670 30 DC AC REV JAN 1982 ...

Page 43: ...F f 1 t h S o iHg t St p2 0 YW o TS J1430 1 J 7Ll 1 Lv o4W o 11 Wt 10 rO hYW L HOLD1i izE ttyJ_ T L3 RESETrJ 9i 43 LTV t r F a Zi icL 7 c i t1 o TRIGGER LEVEL h 7 4 i F I 1Z z J4a SOURCES f jrlJ t r F r17 f L t 9 i I N T Z 43 i nl v 4 9 l YJ z f vfi LEDU F 7r F IWtW o EXT C L3 q I o BNCv 79fi 1 tt COUNTING f i h 9 FUNCTIONS f W fi i 9 s3 v 4 70 iA l INPUT l9 1r Af1 at orBNC n fJ 4 9 Z Y a TJ 1670 ...

Page 44: ...o AC F WG DC DC504 1 JW7 fx t v oW G L_1 mo T V Z TRIGGER LEVEL 1 a WW Jf 7t o 3 td 71 7W7 f n 6 1 d G o oJ 1 CiH 1 4 n 1z o l L10Hz Ji 9 f 1 r i 7a1 7 r 7m1 I f i L 4 6 ir C Lz L o Z O ls L 1 1 7 Aillil 5 i T i n ct o iL W f f t _ 6 DCgi 1 1 F o i t i zo T G Z1 7 h 7 Wo J Z i h 7 li ll TRIGGER LEVEL i F v m6 c l l DC504 F l i l r ta f hm6 L Lf I J I L t C1 af b G j J6 j L td l L6 d Lfh o c i 0 7 ...

Page 45: ...J lt L bi1 l T i 9 c t 9 2 7 flfii 1 I I I I III 1 f I 1 i vro t 7 C F 1 J t12 3 0 l ili fs AtIu1Ci s t d fit x i C i li i M fi fl 1 fs 149 400mVo 1 i i r i hf L y7i F rtf L2 4 TJ 1670 04 1670 33 7 1 Z 3 a td 1 a 3 1 1 6D h Jyi V E I_ 3h JiiL7 TJ 1339 1670 34 Japanese 1 5 ...

Page 46: ... ts L 6W vy1 6 DISPLAY TIME FQ m63 h ycW2 pL 6 ax l gq INPUT qq6 1 o SOURCEx o 11 L Z 70 1s h Ol i T t Z J10s r t EXT6 i 1 0 a 1 o BNC qq Z7 Z o Cll l o T l HOLD L t L n S 1 n Zy I1 Tr f A6 t r TT 7 q Z o HOLD4 Z6 T Fl x F t L c C L 6 tt63 f h t o z 6J MHzxh T6 RESET f q i DISPLAY TIME i F o 5 G1kHzv j 11 7 6 t lms Z kHzxh T t 6 0 5 I FUNCTIONx i Z53 0 1Hzo IJ rr t c los G r n J o thv 41 t tt z n ...

Page 47: ...L J o TRIGGER LEVEL n i Fn I hT UF Y t ja _ 6 Zc h6 1 71 i i f J f 633 7TA l t frh f h F Aptlt t i ut h o t t l LT o PERIOD k Z t3 Tt f i i t ta F o a A DC504 u Rt 1 1 i 9 t gzc J ty O t 2 J o J tt 1G th o f z6 lkHzv T 1 000 0OO i F a 6 6 1 000s Z o L L 1kHzT t 1 1 61 000 000 01 t r7 iyv 1MHz v i7 Y h a Z J a i p A1 k Zt INPUT t l fJ t l f 4 f i F FUNCTION 7 t 4i 6 J z h 17a Z c r o Ft t r J rn t ...

Page 48: ...i h fxl fi ie J h fi C CI R180v tom 1 9v 9 Decimal Point Scanned Output t i27B i3 tTa c 3 T7i Z o t t 7 h 7 L I L f Z b 7 7s11t Ji t r7i F t F l fJ f L t 28A smv DC504 t mF w FL LTw o D C504 v Yi3 T 1 1 t f h r f rl i 7ii Ta 6 Z t1 o Japanese 1 8 yt7 pt fc P l fJ 7 f i i3 r h 1 7 rl i F i 1 t a f F C i3 DISPLAY TIMEviFv L2 t i TL30i 19 t 28B L L2L 3 rr Fi3 T FZ I Ti6 t TLJ J fi 7n Y r7 J h F i S Z...

Page 49: ... 7 tom i i i c t f57 6 c t G53 Z o REV JAN 1982 ...

Page 50: ...perature between 0 C and 50 C unless otherwise characteristics for which no limits are specified noted Table 2 1 ELECTRICAL CHARACTERISTICS Performance Requirements INPUT 1 Mfg paralleled by approximately 20 pF 250 V at 500 kHz or less Berate 20 dB decade to 25 MHz f5 V from 25 MHz to 80 MHz Nominally 1 5 V to 1 5 V 0 5 of one cycle at minimum trigger sensitivity Internal rear connector interface ...

Page 51: ...nts Less input amplitude will be required for wider pulses PERIOD mSEC Positions 1 ps and 10 s A random error of up to 5 counts may occur in the 10 SEC period position when measuring periods of less than 2 00 ms Such short periods should be measured in the 1 Ns period position to obtain higher resolution SEC Positions 10 ms 1 ms and 0 1 ms Display Time Variable from about 0 1 s to about 10 s Deten...

Page 52: ...75 C To 15 000 feet To 50 000 feet Fig 2 1 DC 504 Sensitivity Curve With the instrument complete and operating vibration frequency swept from 10 to 50 to 10 Hz at 1 minute per sweep Vibrate 15 minutes in each of the three major axes at 0 015 total dis placement Hold 3 minutes at any major resonance or if none at 50 Hz Total time 54 minutes 30 g s 1 2 sine 11 ms duration 2 shocks in each direction ...

Page 53: ...thin of 20 C to 30 C and operated at an ambient tolerance temperature of 0 C to 50 C Special test devices are used where necessary to Tolerancesthat are specified in this performance check facilitate the procedure Most of these are available from procedure apply to the instrument under test and do not Tektronix Inc and can be ordered through your local include test equipment error Limits and toler...

Page 54: ...er module manual 2 Remove the left side cover from the DC 504 and set the group of three slide switches to their down positions Set the single slide switch coupling to its upper DC position Replace the cover 4 Connect the power modules and test equipment to a suitable line voltage source Turn all equipment on and allow at least 30 minutes for the equipment to stabilize 5 Set the following DC 504 c...

Page 55: ...ECK That the DC 504 is not triggered display should be 000 g Turn the DC 504 TRIGGER LEVEL knob fully ccw h CHECK That the DC 504 is not triggered display should be 001 i Remove the SG 503 Outputfrom the DC 5041NPUT 4 Check Display Time Interval a Set the following controls DC 504 Frequency 2 MHz Amplitude Multiplier X1 DISPLAY TIME ccw Output Amplitude 2 7 FUNCTION FREQUENCY MHz 1 kHz RESOLUTION ...

Page 56: ...ING Dangerous potential exist at several points through out the DC 504 Remove the DC 504 from the power module or otherwise disconnect power module power before changing position of internal switches b Set the TG 501 marker dial to 2 ms c Connect the TG 501 Marker Out to the DC 504 INPUT through a coaxial cable and a 50 ohm terminator d Adjust theDC504TRIGGERLEVELforareadingof approximately 5000 T...

Page 57: ...z 1 Hz RESOLUTION b Connect the 1 MHz frequency standard to DC 504 TRIGGER LEVEL Midrange INPUT SOURCE EXT All internal switches Down c CHECK DC 504 reads 9 9900 999990 0 Hz and 0 0100 1000010 0 Hz with OVERFLOW light on NOTE DC 504 DISPLAY TIME ccw FUNCTION FREQUENCY kHz 1 Hz RESOLUTION TRIGGER LEVEL Midrange SOURCE EXT All internal switches Down b Connect the 1 MHz frequency standard to DC 504 I...

Page 58: ...urement function using the following table g Set the DC 504 FUNCTION to 1 kHz h CHECK Counter sensitivity from 15 MHz to 1 Disregard least significant digit or tl count 80 MHz using the following table Also check for a stable 2 If a different generator is used for checking the DC 504 display period mode its signal to noise must be high enough to ensure adequate triggering and it must be free of ab...

Page 59: ...Y QUALIFIED PERSONNEL ONLY TO AVOID PERSONAL INJURY DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO REFER TO OPERATORS SAFETY SUMMARY AND SERVICE SAFETY SUMMARY PRIOR TO PERFORMING ANY SERVICE ...

Page 60: ...ment 10X attenuation to reduce circuit Frequency check and loading 1 MHz bandwidth or adjustment greater bnc connector Provide voltages currents and All steps connections suitable for TM 500 Series test equipment Must make connections between All steps DC 504 and Power Module so that the DC 504 can be operated outside the Power Module 1 MHz output accurate to within Frequency check and 2 parts in ...

Page 61: ...the oscilloscope as shown in Fig 3 2 Adjust the oscilloscope to display several complete cycles b Observe the rate of horizontal drift of the displayed waveform If the waveform moves to the right it indicates the time base frequency is less than 1 MHz if it moves to the left the frequency is greaterthan 1 MHz The period in seconds forthe waveform to move the width of one cycle is equal to the freq...

Page 62: ... not removed or spread where it is not wanted After cleaning normally lubricated contacts can be CLEANING THE CHASSIS relubricated with a no noise lubricant Tektronix Part No 006 0442 00 Use this lubricant sparingly and keep it off The instrument should be cleaned by first loosening the IC sockets dust and other foreign matter with a small paint brush then using a vacuum cleaner to remove the loos...

Page 63: ...ut is set to Ext The signal is then fed to a frequency compensated and the external clock signal is connected to pin 14A of the attenuator R106 R108 which has a 1 Mil input plug in connector A shielded cable must be connected resistance The fixed attenuator provides current limiting from the E O solder point near pin 14A to the E O solder overload protection for the DC 504 point near U160 High Imp...

Page 64: ...rface connector pin generator input is the DC 504 front panel or plug in 28B thus stopping the count CR226 protects U215C connector input signal after it has passed through the when pin 28B is connected to ground input amplifier and shaping circuits The next rising edge from the time base which occurs after a period T selected by the FUNCTION switch Operation of Frequency Mode RESOLUTION setting k...

Page 65: ...ate control are reset to all in a similar manner Four bcd output lines are connected nines after the gate signal has occurred by applying a from each DCU to its associated storage register latch positive pulse to pin 7 of U160 This reset allows the When the CLEAR signal is activated all of the decade DC 504 counting cycle to restart immediately following a counters are reset to the zero count stat...

Page 66: ...t logic levels forthe plug in connectoroutput and for leading zero blanking The scanned decimal point 5 Volt Supply belongs decimal point appears to the left of the digitthat is active when the decimal scan goes high U400 derives a temperature compensated highly regulated 5 V from the 33 5 V unregulated supply of the TM 500 Series Power Module The NPN transistor Seven Segment Decoder and Leading Z...

Page 67: ...ll contact you concerning any change in part number Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS X000 Part first added at this serial number OOX Part removed after this serial number ITEM NAME In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For furth...

Page 68: ... CAP ARIZONA 2201 E ELVIRA ROAD TUCSON AZ 85706 50088 MOSTEK CORP 1400 UPFIELD DR CARROLLTON TX 75006 50434 HEWLETT PACKARD COMPANY 640 PAGE MILL ROAD PALO ALTO CA 94304 50579 LITRONIX INC 19000 HOMESTEAD RD CUPERTINO CA 95014 56269 SPRAGUE ELECTRIC CO 87 MARSHALL ST NORTH ADAMS MA 01247 57668 R OHM CORP 16931 MILLIKEN AVE IRVINE CA 92713 58361 GENERAL INSTRUMENT CORP OPTO ELECTRONICS DIV 3400 HIL...

Page 69: ...970 189 0509 075 0172 STANDARD ONLY C190 290 0536 00 CAP FXD ELCTLTa0UF 20 25V 90201 TDC706M025FL C205 283 0080 00 CAP FXD CER DI 0 022UF 80 20 25V 59821 2DDU60E223Z C235 283 0002 00 8010100 8036569 CAP FXD CER DI O OIUF 80 20 SOOV 59821 SDDH69L1032 C235 290 0534 00 8036570 CAP FXD ELCTLT IUF 20 35V 56289 196D105X0035HA1 C240 290 0534 00 CAP FXD ELCTLT tUF 20 35V 56289 196D105X0035HA1 C250 283 002...

Page 70: ...GMENT LH DECIMAL ORANGE 58361 03409 MAN36202 DS360 150 1018 00 8010100 8032859 LAMP LED RED NUMERIC 50579 DATA LIT 10A DS360 150 1037 00 8032860 LAMP LED RDOUT 7 SEGMENT LH DECIMAL ORANGE 58361 034091MAN36202 DS365 150 1018 00 8010100 8032859 LAMP LED RED NUMERIC 50579 DATA LIT t0A DS365 150 1037 00 8032860 LAMP LED RDOUT 7 SEGMENT LH DECIMAL ORANGE 58361 03409 MAN36202 DS370 150 1018 00 8010100 8...

Page 71: ...1121 C85115 OPTION 01 ONLY RES FXD CMPSN 51 OHMS 0 25W 57668 NTR25J ES1E0 RES FXD CMPSN 300 OHMS 0 25W 57668 NTR25J E300E RES FXD CMPSN 560 OHMS i 0 25W 01121 CB5615 RES FXD CMPSN 100 OHMS 0 25W 57668 NTR25J E 100E RES FXD CMPSN 110 OHMS 0 25W 57668 NTR25J E110E RES FXD CMPSN 91 OHMS 0 25W 01121 C89105 RES FXO CMPSN 150 OHM 5 0 25W 57668 NTR25J E150E RES VAR NONWIR IK OHM 10 0 50W 01121 W 3083E RE...

Page 72: ... 30K OHMS 0 25W 01121 R257 315 0102 00 8010100 8036569 RES FXD CMPSN IK OHMS 0 25W 57668 R257 315 0562 00 8036570 RES FXD CMPSN S 6K OHMS 0 25W 57668 R260 315 0102 00 8010100 8036569 RES FXD CMPSN IK OHM 5 0 25W 57668 R260 315 0562 00 8036570 RES FXD CMPSN S 6K OHMS 0 25W 57668 NTR25J EOSK6 R262 315 0102 00 RES FXD CMPSN IK OHMS 0 25W 57668 NTR25JE01K0 8264 315 0102 00 RES FXD CMPSN IK OHMS 0 25W ...

Page 73: ...T 82389 11P 1092 260 0723 00 SWITCH SLIDE DPDT O 5A 125VAC 79727 GF126 0028 260 0723 00 SWITCH SLIDE DPDT O SA 125VAC 79727 GF126 0028 PART OF R190 263 1031 00 SW CAM ACTR AS FUNCTION 80009 263 1031 00 260 0723 00 260 1421 00 260 0723 00 156 0079 02 156 0410 00 156 0041 05 156 0079 02 156 0058 02 156 0041 05 156 0180 04 156 0081 02 156 0041 05 156 0030 00 156 0079 02 156 0040 02 156 0057 02 156 00...

Page 74: ...0 02 MICROCIRCUIT DI QUAD LATCH SCREENED 01295 SN7475 NP3 OR JP U298 156 0057 02 MICROCIRCUIT DI OUAD 2 INP NAND GATE SCRN 01295 SN7401 NP3 OR JP U310 156 0073 02 MICROCIRCUIT DI S BIT SHIFT REGISTER SCRN 01295 SN7496 U315 156 0165 02 MICROCIRCUIT DI DUAL 4 INP NOR GATE 01295 SN7425 U320 156 0128 01 MICROCIRCUIT OI BCO TO 7 SEG DCDR DRVR 80009 156 0128 01 U325 156 0093 02 MICROCIRCUIT DI HEX INV B...

Page 75: ...n Includes an IC which may be connected aseithera divide by five 5 MHz oscillator ora dlvide by ten 10 MHz oscillator 33 V a 5 MHz VR10 I Oscil 5 V o 15 V o lator C10 0 01 v 1 MHz output REV C JAN 1977 R10 880 5 OPTION 1 Y10 5 MHz jumper factory installed __ 12 Optional 10 MHzjumper _I 5 V 11 2 3 8 7 10 O Optional 10 MHz input R72 51 Use shielded cable 5V Optional Gnd Gnd 10MHz input 33 5 MHz jump...

Page 76: ...tor fixed or variable V Electron tube CR Diode signal or rectifier M Meter VR Voltage regulator zener diode etc DL Delay line P Connector movable portion w Wirestrap or cable Q Transistor or silicon controlled Y Crystal DS Indicating device lamp rectifier Z Phase shifter E Spark Gap F Fuse R Resistor fixed or variable FL Filter RT Thermistor The following special symbols are used on the diagrams D...

Page 77: ...ignal U217 U215C U220D Latch SIgnal 0260 0264 U255 Display Time Control 0185 0195 0198 CLEAR High Impedance Input High Frequency Amplifier 0110 0114 0130 Time Base 1 MHz Crystal Oscillator and Programmable Divider U160 U180A 0180 Latch Over Ride NORM Signal Shaping Schmitt Trigger 0140 0150 Clock Sync RPM Circuit 6 0210 U210 Stretcher C205 0200 Buffer Inverter U215E NORM RPM BLOCK DIAG FUNCTION Sw...

Page 78: ...ach Time Slot Decoder U310 U315 U278 19A 21B 20A 20B 2 2 5 Lines BCD Output Gating U274 U280 U288 U292 U298 Anode Voltage Enable 0350 0355 0380 0385 0370 CLEAR Seven Segment Decoder 0320 __ 7 Segment I LED s I Lines Pulse Display Stretcher DS350 DS355 I DS360 DS385 1 DS370 I 5 Digit Lines Scan Clock Out MSD TS1 24B 25A LSD Overtlow Output TS5 23B 24A Digit Select 23A Outputs 22A 21A Leading Zero S...

Page 79: ...ith a 1 MHz 1 volt peak to peak sinewave input signal and the DC 504 front panel controls set as follows FUNCTION MHz 1 kHz RESOLUTION SOURCE EXT DISPLAY TIME midrange TRIGGER LEVEL midrange In waveforms ground reference is the center horizontal graticule line SOOns I 2V O r 20E s 10ms 1670 13 ...

Page 80: ...18 16 Internallnput TTL Compatible 14 14 Ext Cloak Input internally clamped to ovand sv 25 VAC winding 13 13 25 VAC winding 33 5 V littered 12 12 33 5 V filtered DC DC Collector Lead of 11 11 Base lead of PNP Series Pass PNP Sarles Pass Transformer 10 10 Emitter lead of shield lead PNP Series Pass 8 3 33 5 V common retum 8 I 33 5 V Illtered DC TM500 I 7 I Emitter lead of Barrier NPN Series Peas NP...

Page 81: ... In Connector TS3 Pin 23A Plug In Connector Pin 22A Plug In Connector TS5 Pin 21A Plug In Connector Decimal Point Scanned Pin 27B Plug In Connector 0 25 ms f Decimal point output goes high during the time slot in which the decimal is to the left of that digit NOTE DC 504 Example shown with decimal point scanned going high in TS3 will result in a display of __ XXX 1670 15 REV C JAN 1977 ...

Page 82: ...DC 504 1670 12 y I v vi vi rS I I i ef r p my uaoo I _ I I I I I I n DS375 map O i iZv rv rv U325 DS2 pZy r i 0 u PARTS LOCATII U296 O U294 U284 U272 U320 N U c 0 N U U270 r y I I I I n N V n 1121 OP 1 ...

Page 83: ... ATION GRID 0 M u22o 0 H A H v v I i v v a w sY i vii v y i i is i i i i v v v v v vi i mar i r w v a Q sv i Wi REMOVED FOR OPTION t s2oo REV E MAR 1980 ...

Page 84: ...170 C172 L1 0110 KS R175 C190 H4 0114 J8 R176 C205 B1 0130 J5 R177 C235 L5 0134 J5 R179 C240 K4 0140 J5 g180 C250 G4 0150 15 8181 C255 H2 0180 K2 R182 C270 F4 0185 13 R187 C276 F4 0195 13 R190 C282 F3 0198 13 R195 C288 F2 0200 B1 R198 C294 F1 0209 J3 R200 C300 C2 0210 J3 R203 C310 B2 0235 L5 R204 C315 g3 0240 K5 R205 0325 C6 0245 H4 p206 C340 H6 0247 H4 R207 C405 B5 0260 li R208 C408 B5 0264 11 R2...

Page 85: ...ormal Storage Gate Control I Reg ster Generator U2 U2 5C I Latch U298 U290 U OD 284 I PERIOD I Over I U278 U272 Scan Clock 0310 0300 Diagram 3 Power Supplies U400 0425 0428 VR430 r FUNCTION Plug In 5 V Connector I I 23B OVERFLOW I r i Overfliw Time Slot Decoder U310 U315B U325 Plug In Connector 21A 22A 23A 24A 25A Digit Select Diagram 2 Display U320 U260B U315A 0350 0355 0366 0365 0370 DS350 DS355...

Page 86: ...YI D IMHx UI o0 0170 LIIC5o09p 33IK SV 5140bpx7 osc 9 1170 C17z Sv 4204 R2 04 K 24K 2 4 24 5 IOK R200 O Ik 8212 11 fo jR206 I R207 4 5 1 K IOk l0 3 9 3 C k 13 saoo c r h3 R 176 S Ik 12 Sxoo 5 5v r R ph I7 7 S Ik 14 9z00 7 Its 2 j 7 11 5V oC 544 S I V 12 SV R13V ZR127 O S Ik 340 5v R13o 1 1k R139 c129 l 33yF Q1134 4140 TRIE EaR RIKS R134 Q130 51 I2 5v R 123 Rllls RI08 t5V Q gook Ix Sv Sv Rlo S Ik 5...

Page 87: ... lolc r R243 R145 5 Ik 5 Ik t5V i SV R225 R224 5 Ik Ik I2 cJ2220 I 5 V IK 74300 CR215 7404 L 9 _r GATED BURST 5v 4 r l l 6 TO U294 H 8 U215D 5 uzzoB I uzzoc 0 74 4 7 500 74so0 2 5V SV R130 1 k 100 I VL Sloo l u CR235 5V Rz35 IK KF 8132 1 l a 29S CLEAR II I l lj R K LATCH 9 76 2 ui55 e CR257 Q _ g4o1 2 e4 I f eR2S 7 ate ozc o r s k LATCH OVGR RIDC R24 D COUNTER THE BASE ANA CONTROL U294 IS 5245 28B...

Page 88: ... I I Gate Control Generator U217 U215C U220D Gate Generator Time Slot Decoder U310 U315B U325 5 V i I Plug In C JH I Co 9e B ctor COUNTING I I Latch Plug In Connector 21A 22A 23A 24A 25A Digit Select Decade Counter Units U294 U288 I II U282 0275 U270 Normal I Latch I Over ride Diagram 2 Storage Register Gates U296 U290 U284 U278 0272 Plug In Connector 27B Display U320 U260B U315A 0350 0355 0366 03...

Page 89: ...0 9 CR320 5 II T I CR 322 R390 9 R332 11 33 13 8336 IS R322 tESET 1 _ 150 15 15 300 R333 R33 Iso o REV E JUN 1979 1670 17 SV 2701 sv R o _ Q360 IK 520 0 0 3 R3 o2 1 3 5 1K o to I I bloa 4 A R3lob l0 8 7 2l0 6 3 _ 3 os I 12I I2I I 14 53b5 IK R3 1 270 R3 o Q370 31 13 P350 P352 _I r S IU325C R3 15 P315 Pall NORM 1 s 7416 IK 7 u32o 744 7 SEGMENT DECODER Y I w w P377 C 9 4 6 5 _a _ 13 P315 Pall 3 DS350...

Page 90: ... 2 u2ae 9 7a9o g II C288 001 SV CLEAR O RESET DC504 SCAN CLOG K F BC D OUT OVERFLOW LATC w G 4264 LATCH 24B 20B 20A _zia 19A SV SV SV 8300 R304 8306 R310 S IK 39K 33010 SIO 0300 0310 005 470 Q300 f J Q3 0 SV 13 g I 3 14 1 4 5 g 5 12 2 U272 I I II 13 2 t l27 9 b 7475 12 D 1490 g 7 3 1 g G27o II 3 MSD 2 A 001 14 8 to r 1 9 C 12 12 23B s sv 0298 7401 sm M i m nn gl_I_I U260A b 9 7474 T G O SV aaaoam ...

Page 91: ...k 5200 2EV E lUN 1979 1 6405 33J F I4A I9B C415 I10A z MF co F 1 12 5 VOLTS R435 R430 510 130 R4Z8 VR43n Ik 6 zV g4zs FUNCTION 1 2 3 4 5 G 7 8 9 10 It i2 Resolu ioN I lOmS R432 lk COW 1 kHz 0 1 kHz 10 H_ z FREQUENCY TOTALIZE EVENTS 01mS SI C PERI00 10 S 1 S mSEC r J J 1 7o la cw 5 voLrs Al MAIN BOARD k SWITCH DETENT 5 VO LTS OI NOTE CAM NUMBER 1 CLOSES BETWEEN EACH DETENT TO RESET POWER SUPPLY SWI...

Page 92: ...referenced by figure and index numbers to the illustrations In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name identification the U S Federal Cataloging Handbook H6 I can be utilized where possible ABBREVIATIONS ITEM NAME INCH ELCTRN ELECTRON IN INCH SE SINGLE END NUMBER SIZE...

Page 93: ...ORP 16931 MILLIKEN AVE IRVINE CA 42713 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CINCINNATI OH 45206 78189 ILLINOIS TOOL WORKS INC SHAKEPROOF DIVISION ST CHARLES ROAD 78471 TILLEY MFG CO 900 INDUSTRIAL RD 79136 WALDES KOHINOOR INC 47 16 AUSTEL PLACE 79807 WROUGHT WASHER MFG CO 2100 S O BAY ST 80009 TEKTRONIX INC P O BOX 500 83385 CENTRAL SCREW CO 2530 CRESCENT DR 86113 MICRODOT MFG INC CENTRAL SC...

Page 94: ...EW MACHINE 2 56 X 0 50 INCH PNH 83385 ORD BY DESCR 361 0019 00 8032860 2 INSULATOR DISK 0 094 DIA X 0 078 INCH L 80009 361 0019 00 END ATTACHING PARTS ___ _ CKT BOARD ASSY INCLUDES 136 0252 04 4 SOCKET PIN TERM U W 0 016 0 018 DIA PINS 22526 75060 007 175 5366 00 8040460 7 CA ASSY SP ELEC 6 26 AWG 7 0 L RIBBON 80009 175 5366 00 131 0707 00 8040460 6 CONTACT ELEC 22 26 AWG BRS CU BE GOLD 22526 4743...

Page 95: ... 4 40 X 0 29 BRS NI PL 78189 ORD BY DESCR END ATTACHING PARTS ACTUATOR ASSY INCLUDES 46 200 1010 00 1 COVER CAM SW 12 ELEMENT 0 83 INCH DIA 80009 200 1010 01 47 354 0219 00 1 RING RETAINING FOR 0 25 INCH SHAFT 79136 5103 25 MD R 48 401 0057 00 1 BEARING CAM SW FRONT 80009 401 0057 00 49 214 1139 03 1 SPRING FLAT RED COLORED 80009 214 1139 03 214 1139 00 1 SPRING FLAT 0 885 X 0 156 CU BE GLD CLR 80...

Page 96: ...n Code Mfr Part Number 1 CKT BOARD ASSY INCLUDES 62 131 0566 00 i BUS CONDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200E0 63 136 0269 02 8010100 8041419 1 SKT PL IN ELEK MICROCIRCUIT 14 DIP 09922 DILB149P 108 64 1 OSCILLATOR SEE A3Y10 REPL 65 210 1014 00 4 WASHER NONMETAL 0 094 ID X 0 312 OD TEFL 80009 210 1014 00 _ REV DEC 1984 8 5 ...

Page 97: ... REV B JAN 1977 ...

Page 98: ...0 0 0 DC 504 COUNTER TIMER ...

Page 99: ...g Index Tektronix Serial Model No Mfr No Part No Eff Dscont Qty 1 2 3 4 5 Name Description Code Mfr Part Number 070 1670 O1 1 MANUAL TECH INSTRUCTION 80009 070 1670 O1 D A n m V1 y O m N C 1 D z m z m O 3 D DC 504 COUNTER TIMER o z ...

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Tektronix DC 504, Instruction Manual

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