Tektronix 7A18 Скачать руководство пользователя страница 38 | Manualshive

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7A18

Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com

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Содержание 7A18

Страница 1: ...cess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Dem...

Страница 2: ...INSTRUCTION IAi8 tA H DUAL TRACE AMPLIFIER 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 3: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 4: ...AR1 S LIST Introduction 3 1 Block Diagram Description 3 1 Mechanical Parts List Information Detailed Circuit Description 3 1 Index of Mechanical Parts Illustrations Mechanical Parts List SECTION 4 MAI...

Страница 5: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 6: ...ents The 7A18 can be operated in any plug in compartment of the 7000 Series Oscilloscopes The following electrical characteristics are valid over the stated environmental range for instruments calibra...

Страница 7: ...etweenchannels Added algebraically Dual tracechapped between channels Shannel 2 only Supplemental Information 50 volts DC Peak AC AC com Ionent 500 volts peak to peakmaxi num one kilohertz or less j00...

Страница 8: ...D MAINFRAME With 1500 Scrres 60 MHz Wutl7 7400 Sasits 50blE4r Refer 0 st c Specifaca unfw tbw il iocidt C1 O S C I O S C Q 7ABLE 3 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOU...

Страница 9: ...tile i ch d t the iraariicn left corrtcal of 1111 7A18 wtril J I P rn ji1dc e aqair sitkrtt trt n sr ar i To leanewe the 7AiH i xtitE 081 1 1 1 0 Lntah E wl ilacl r v nscrihaj vvsrh 1117 imri i i t e...

Страница 10: ...ns of inverting the CH 2 display WP A positive going signal at the CH 2 input connector deflects the C R I display upward INVERT A positive going signal at the CH 2 input connector de flects the CRT d...

Страница 11: ...POLARITY switch may be used to invert the displayed waveform of the signal applied to the CH 2 input This is particularly useful in added operation of the 7A18 when differential measurements are to be...

Страница 12: ...nd time base These applications are not described in detail since each applica tion must be adapted to the requirements of the individual measurements This instrument can also be used for many applica...

Страница 13: ...eform is above the reference line usinq a 10X probe wit11a VOLTSIDIV setting of 0 5 V Using the formula Instan vertical VOLTS probe taneous distance X polarity X DIV X attenuation Voltage divisions se...

Страница 14: ...unknown signal which produces a vertical deflection of five divisions can be determined by using tlie signal amplitut le formilla step 6 Signal 2 V X 1 5 X 5 15volts Amnlitude Dual Trace Phase Differ...

Страница 15: ...p rate t y dividing the sweep rate obtained previously degrees as 45 division by the amount of sweep magnification 9 Measure the horizontal difference behveen corre sponding points on the waveform EXA...

Страница 16: ...common mode sign ils are of opposite polarity 7 Adjust the Channel 2 VOLTSiDlV switch and VAR l ABLE control for maxiinurn cancellation of the cor 7mon i lode signal The signal which remains shocrld b...

Страница 17: ...e proper signal and trigger as determined by the DISPLAY MODE and TRIGGER SOURCE switches The signal and trigger outputs are provided to the oscilloscope via the Interface Connector The Readout Encodi...

Страница 18: ...ve or negative 15 volts Q210B provides a constant current source for 0210A 0210A and Q210B are encapsulated in the same case so that 0210B temperature compensatesthe circuit Paraphase Cascode Amplifie...

Страница 19: ...on ParaphaseCascode Amplifier The Paraphase Cascode Amplifier for Channel 2 consists of Q420 Q520 3425 Q525 0426 and Q526 In addition to the functions described under Channel 1 lnput Ampli fier the Ch...

Страница 20: ...gnal is controlled by inputs from the TRIGGER SOURCE switch Resistors R476 R477 and R576 R577 set the cur r e n t g a i n f o r e a c h c h a n n e l N e t w o r k s C474 R474 C475 R475 and C574 R574...

Страница 21: ...el 2 only is switched between TS 2 and the Column output line when the CH 2 POLARITY switch is in the INVERT position This results in the symbol 1 inverted being displayed preceding the deflection fac...

Страница 22: ...of the 7A18 to move about 0 3 division see the discussion on the Channel 1 or Channel 2 Input Amplifier 2 Forward biases CR621 and Q620 t o result in a sufficient amount of collector current which whe...

Страница 23: ...onductor checking information given under Troubleshooting TROUBLESHOOTING Cleaning Avoid the use of chemical cleaning agents which might damage the plastics in this instrument Avoid chemicals containi...

Страница 24: ...ultimeter unit 76 series Time Base unit and a 7A series Amplifier unit with a 10X probe will meet the needs for items 2 and 3 Troubleshooting Procedure This troubleshooting procedure is arranged in an...

Страница 25: ...e power is o f f before attempting to remove or replace any transistor or integrated circuit Integrated circuits can be checked with a voltmeter test oscilloscope or by direct substitution A good unde...

Страница 26: ...ing the Elec trical Parts List section Include the following information 3 Disconnect the wires connected to the inside of the board 1 lnstrument type 7A18 4 Remove the board from the unit 2 Instrumen...

Страница 27: ...nnecting or connecting leads to a wafer type rotary switch do not let solder flow around and beyond the rivet on the switch terminal Excessive solder can destroy the spring tension of the contact Tran...

Страница 28: ...follow this with the Performance Check i his method will assure that the tion will be found at the rear of the manual instrument is both correctly adjusted and performing within all Performance Requi...

Страница 29: ...edance 50 ohms wat tage rating two watts accuracy f 2 connectors GR874 input w i t h BNC male output Tektronix Part No 017 0064 00 12 Dual inputcoupler Matchedsignal transfer to each input Tektronix c...

Страница 30: ...the 42 inch BNC cable and dual inputcoupler 6 Check Channel 1 and 2 Lower Fre Page 5 4 quency Response b Set the standard amplitude calibrator for a 50 7 Check Channel Isolation millivolt square wave...

Страница 31: ...rnination b Set the mediiim frecguet cygenerator for an eiglrt drvision display 80 millivolts at the 50 kilohertz reference frequency c Increase the generator trectuency untif the display amulitude de...

Страница 32: ...nd CH 2 VOLPS DIV 20 rnV i Repeat parts d througli f of this step for Channel 1 j Disconnect all test ecluipment 7 Check Channel Isolation a Change the follotiving control settings CH 1 and CH 2 DC AC...

Страница 33: ...11 Check Trigger Source Operation g Set the TRIGGER SOURCE switch to MODE h CHECK CRT display square wave and sine wave are both stable a Change the following control settings i Set the TRIGGER SOURCE...

Страница 34: ...tward position 5 Adjust Channel 1 and 2 High Page5 10 Frequency Compensation c CHECK Turn the VARIABLE control from fully counterclockwise to fully clockwise Trace should not move Preliminary Procedur...

Страница 35: ...cssntsad is rotated trum faxliy cuuntarclackwese io fully clockwose j ADJIJSP CEJ 1 GAIN trrijarstmcnt front pas iel for exactly fivr dk sions of tleflmriion 1 Set rke CH 2 VARIABLE control to the GA...

Страница 36: ...divisions of deflection i Set the DISPLAY MODE switch to CH 2 i ADJUST CH1 attenuator compensations a s given in Table 5 2 for optimum square corner and flat top o n the displayed waveform Re adjust t...

Страница 37: ...for ontiinum square wave response with mininiurn aberrations Use the low capacitance screwdriver to adjust the variable capacitors Repeat these adjustments until o tirnurn response is obtained g Disco...

Страница 38: ...mber Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS X O O O Part first added at this serial number O O X Part removed after this serial number ITEM NAME In t...

Страница 39: ...C W INDUSTRIES EKTRONIX INC BECKMAN INSTRUMENTS INC ADDRESS mM P 1201 2ND ST SOU IH EIECTRONTCS PARK P O BOX 867 464 ELLIS ST 12515 CHADRON Am LOWER WASHINGTON ST 2201 LAURELWOOD RD 3560 MADISON AVE...

Страница 40: ...030000 BO1OlOO ATTENVATOR FXD 1OX ATTENUATOR FXD lOX ATTEWATOR FXD lOX A NWA R FXD IOX ATTENUAMR FXD lOOX B040000 B020100 B030000 BOlOlOO B040000 AT f ENUATOR FXD lOOX ATTEWTOR FXD lOOX A EEWRTOR FXD...

Страница 41: ...IRED SWITCH ROTARY CAL IN CH2fWfHf D smwl ROTARY CAL IN CH2fWIRED SWTTH ROTARY CAL IN CH2 WIRED 1 672 0020 00 BOlOlOO B059999 CKT BOARD ASSY READOUT CAM SW ATTENUA IQR 2 80009 672 0020 00 1 3 672 0020...

Страница 42: ...T BOARD ASSY AMPLIFIER C K l BOARD ASSY AMPLIFILR CKT BOARD ASSY AMPLIFIER 8119999 CKT BOARD ASSY AMPLIYIER CKT BOARD ASSY AMPLIPIER C210 283 0001 00 CAP FXD CER DI O 005UFr 100 0 500V C212 281 0557 0...

Страница 43: ...CAP FXIf aR DI 0 001UF110 200V C425 281 0638 00 B020100 B059999 CAP FXD CER DI 240PP 5 500V 4 2 5 283 0067 00 B060000 CAP FXD CEH DI O O01WF 10 200V C427 283 0000 00 CAIP FXDICER 1 0 001W 100 0 500V...

Страница 44: ...W RBS COliLIHF 3 2UF WOUND ON A 10 OHMt5 O 5W RES Q2IOA B 151 1032 00 TUSTSTOR SILICON FET DU 220x13 253 0596 00 BOlOlOO 8079999 SEMICOND DVC SE SILICON1NYN 2N3563 2 2 0 1 153 0631 00 B080000 SEKICOND...

Страница 45: ...9 153 0597 00 B060000 SEMICOND DVC SE SILICON PNP 4 6 0 151 0225 00 BOlOlOO B039999 TRANSISTOR SILICON NPN 07910 CS23365 4 6 0 151 0367 00 B040000 B079999 SSPANSISTOR SILICON NYN SEL FROM 3571TP 80009...

Страница 46: ...240 OHM 5 0 25W R241 315 0221 00 B060000 RES FXD CMPSN 220 OHM 5 0 25W R242 321 0068 00 XB080000 RES PW FI LM 49 9 OHM 1 0 125W R242 321 0068 00 0 6 0 0 0 0 RES FXDIF brM 49 9 OHM 1 0 125W R243 323 02...

Страница 47: ...O B080000 B020100 B O 6 O O O O BOlOlOO B080000 BOZO000 BOlOlOO 8080000 B020100 BOlOlOO B080000 B020100 B060000 BOlOlOO B080000 B020100 B060000 BOlOlOO B080000 BOlOlOO 8080000 8020100 B060000 7 18 onl...

Страница 48: ...560 OHM 5 0 25W 4 2 7 315 0821 00 B020100 B059999 RES FXD CMPSN 820 OHM 5 0 25W 4 2 7 315 0561 00 B060000 RES FW CMPSN 560 OKM 5 0 25W 4 2 8 315 0241 00 BOlOlOO B079999 RES FXD CMPSN 240 OHM 5 0 25W 4...

Страница 49: ...60000 BOlOlOO B079999 B080000 BOlOlOO B079999 B080000 BOlOlOO B079999 B080000 BO2OlOO B059999 B060000 BOlOlOO B079999 B080000 B020100 B059999 B060000 BOlOlOO B079999 B060000 B020100 B059999 B060000 XB...

Страница 50: ...0 25W RES FXD PILM I 37K 0HM11 0 50W RES FW CMPSN 47 0HM15 0 25W MICROCIRCUIT DI A AND B LOGIC ML CHAN SW MICROCIRCUIT DI A AND B LOGIC M L CHAN SW BOlOlOO B099999 CKT BOARD A S S Y m U T CKT BOARD AS...

Страница 51: ...7Al8 7A18N Tektronix Ckt No Part No SeriallModeI No Eff Dscont Name Description Mfr Code Mfr Part Number REV C 5UN 1975 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www ar...

Страница 52: ...more options This section describes those options or directs the reader to where the option is documented Option 6 DC OFFSET Described in this section Pages 4 7A18 Artisan Scientific Quality Instrumen...

Страница 53: ...are added lo the Ftonr l alrelEach inp if G O U X I I T e1ect01 s w t h has an ldd t101781 PDSI IOPI tor the DG offset lunct on The var allRe controlsarecor centrac wvth the postlion controls rrsplact...

Страница 54: ...e standard amplitude calibratof for one volt DC output and set the input coupling switch to DC OFFSET c CHECK Using the OFFSET control check that the trace can be returned to graticule center d Set th...

Страница 55: ...OPTION 6 A 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 56: ...end THB truss head brass TMS truss head steel w wide or width Description 3 A KNOB gray ID each knob inclirdes SEZSCREId Z 56 X 0 062 inch HSS PAn LI front SBAFT extension stepped RESISlOR var 5k OH11...

Страница 57: ...cult board w t h rnterconnectlnq prri Biiie trnt cncioses contyronerlts located on crt cirit hoard Tfte tollowing ptefrx letters are used as referertce designiltois to rdentify components or assernblr...

Страница 58: ...d on positive slope P PAUto AC Ext X 1 1 ms Cal In No connection for voltage measurements For waveforms Sig Out from osc illoscope connected to Ext Trig In connec tor Vert cal Mode Right Horizontal Mo...

Страница 59: ...AMPLIFIER FOLLOWER I I I I m SIGNAL IUPUT OUTPUT CONTROLS 9620 S 3 0 A t B DlSPLAY MODE 5 TRIGGER S3VRCE I r m 7 CHANNEL 2 OUT L TRIGGER OUTPUT GAlN AND 4 TIME SLOT 0 I D E N T I F Y L lNTERFACE CONNE...

Страница 60: ...lTION C I R C U I T 1 SWITCHING IDENTICAL T O CHANNEL 1 ABOVE P R O B E COOING T O C 4 5 5 7 0 A J A I B N OPTION 6 CHANNEL 2 CHANNEL 1 INPUT SIGNAL T O 4210 CHANNEL 2 I 20 pF 1 ATTENUATOR 5 7A18 Arti...

Страница 61: ...Fig 7 1A Amplifier Circuit Board Assembly Option 6 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 62: ...HANNEL 1 CIRCUIT S w l T C l h l G I D E N T I C A L T O C H A N N E L 1 ABOVE 523 PROBE C O b l N G TO C 9 5 5 7 M 7 A I E ONLY CHANNEL 2 CHANNEL 1 INPUT S I G N A L T O R 2 1 0 CHANNEL 2 I M 20 pF I...

Страница 63: ...ist far serial number rang See P a m List tor serial number ranges Fig 7 1 A2 Amplifier Circuit Board Assembly front view Fig 7 2 A2 Amplifier Circuit Board Assambly back view REV E MAY 7976 7A18 Arti...

Страница 64: ...CHANNEL 1 INPUT AMPLlFlEg 9 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 65: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 66: ...7 A l 8 7 1 8 R E V F MAY 1916 I I Z C S CHANNEL 1INPUT AMPLIFIER 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 67: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 68: ...CHANNEL S I G N A L I T O U210 PIN 2 TRIGGER S I G N A L T O PIN I S U 4 7 0 CHANNEL 1 INPUT AMPLIFIEIL Ih9 BELOW SNBC60000 REV P R I974 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888...

Страница 69: ...p a L 1 1 J 0 r l a MATCHED PAIR 4 MATCHED TPAMSIS TOPS Y 721 2 TURN QUAD FILAR P O A2 AMPLIFIER BOARD 7 1 8 7 1 4 3 OPTlOhl 6 REV F MAY 1976 7 26 26 CHANNEL 2 INPUT AMPLIFIER 5 7A18 Artisan Scientif...

Страница 70: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 71: ...vci c pn Tq 01 i L 7 r m 1 6 ox LLI MATCHED PAIR 4 MATCHED TRANSISTORS r u T Z l 2 TURN Q U A D FILAR I 1 l I 1 A 2 iMPLIFIER BOARD REV H MAY I 9 7 8 R E C CHANNEL 2 INPUT AMPLIFIER 474 S N B 0 6 0 0...

Страница 72: ...es 1 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 73: ...WAVEFORMS OCII IIIP lndi l cnnn llon 1 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 74: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 75: ...1 2 T R I G G F R FROM R Z 6 4 R 3 6 4 510 CHANNEL 2 I0 T R I G G E R FROM R 4 b 4 RSL4 T R I G G E R CHGNNEL SWITCl4 ADD ALt FPOH 5 3 O B d roo r P O A 2 AMPLIFIER BOARD AIB A BN CHANNEL SWITCHES m3...

Страница 76: ...TO P I N 4 270 A D D T O PIN 14 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 77: ...7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com...

Страница 78: ...N L N O 7 U S E D ullTH 7 4IB fiC A loPr or I rS7 TO CH 2 READOUT 5 3 0 A IS P O A 2 AMPLlFlER BOARDS 5 IOOC READOUT I 3 A f T Q I G G E R S I G N A L FROM Q5BO 2 T R I G G E R SIGNAL FROM Q480 I I SI...

Страница 79: ...CAB CAP CER CHAS CKT COMP CONN cov CPLG CRT DEG DWR INCG NUMBER SIZE ACTUATOR ADAPTER ALIGNMENT ALUMINUM ASSEMBLED ASSEMBLY AITENUATOR AMERICAN WIRE GAGE BOARD BRACKET BRASS BRONZE BUSHING CABINET CAP...

Страница 80: ...N A m 9 3 0 1 ALLEN DR 1 0 ESNA PARK DR YOUK EXPRESSWAY 4 5 5 N QUINCE ST 3 5 6 0 MADISON AVE 6 6 0 0 BOMBARDIER ST 1 2 1 EAST JEFFERSON P 0 DRAWER 5 7 0 1 7 3 3 3 HEALY 8 2 1 STEWART AVE 4 4 6 MORGAN...

Страница 81: ...ONT ATTACHING PARTS SCR TPG THD FOR 6 32 X 0 50 INCH PNH STL CKT BOARD ASSY AMPLlFIER SEE A2 EPL CONTACT ELEC 0 188 INCH LONG CONTACT ELEC O 188 INCH LONG SOCKET PLUG IN 3 PIN LOW PROFlLE LTNKITERM CO...

Страница 82: ...G FLH STL BRACKET CIRCUIT BOARD ATTACHING PARTS SCR ASSEM WSHR 4 40 X 0 312 INCH PNH BRS NUT PLAIN EXT W 4 40 X 0 2 5 INCH STL SHIELD EIAEC ATT NUATOR FRONT ATTACHING PARTS FOR EACH SCR I PG Tm FOR 2...

Страница 83: ...TOP CONTACT ASSY EL CAM SWmCH BOT11OM CKT BOARD ASSY AT I ENUATOR SEE AX EPL ATTACHmG PARTS SCR1mG THD FOR 2 32 X 0 250 INCH PNH STL WAS R LOCK INTZ O O92 ID X 0 17SmOD STL WASmR FEAT 0 09 ZD X 0 25...

Страница 84: ...0 124 OD X 6 8 4 3 INCH LON WIKE ET CTXICALO 833 FT 2 WIRE RIBWN WIRE ELECTRICAL 3 WIRE R T B B I F 3 1 0 N WIRE ELECTRICAL 3 WIKE RIBBOEJ WIRE ELECTIIICAL 4 W l K E RIBBON WIPIE ELECTRICAL2 833 P T...

Страница 85: ...76 Black referencenumbersdenote parts which are not common to both instruments 7A1817A18N DUAL TRACE AMPLIFIERS 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan sci...

Страница 86: ...al Model No Mfr No Part No Eff Dscont Qty 1 2 3 4 5 Name Description Code Mfr Part Number v 7A18 7A18N DUAL TRACE AMPLIFIERS 7A18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE ww...

Страница 87: ...n the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your manual is correct as printed SERVICE NOTE Because of the unive...

Страница 88: ...delayed pulse mode i10 V output Short proof output 2101 Paired and Delayed pulse 10 V output 106 Positive and Negative going trigger at least 1 V High Amplitude out output signal 50 ns and 1 V High A...

Страница 89: ...uipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentat...

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