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Содержание 2A63

Страница 2: ...INSTRUMENT REFERENCE BOOK for the Tektronix Type 2A63 differential amplifier unit For all serial numbers TEK 2A63 IRB 1 25 64 1...

Страница 3: ...2 1964 Tektronix Jnc P 0 Box 500 Beaverton Oregon All ri htr rG Cfvcd 1 25 64 TEK 2A63 RB...

Страница 4: ...tips Designation change Instruction Manual Q454 and Q464 sockets must be rewired to accommodate new transistors Test specifications Tube 157 066 suitable for 63 see 503 story Tubes use 157 066 6DJ8 1s...

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Страница 8: ...CONTENTS SALES CATALOG Catalog 25 corrections Change in plug in type designation 8 15 62 DEMO Demo tips 6 16 61 Modified products TEK 2A63 PRB 1 17 67 1...

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Страница 10: ...ype ____ 2_A6 3 ____________________________ _ Publication affected Catalog No 25 Dated Apr 0 66 Page 148 Item Bandwidth ACLF 3 dB add AC LF 3 dB Reason for change Addition to catalog information Appr...

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Страница 12: ...ry reason for the change is to make the type designations consistent with the new system TEK 2A63 IRB 1 25 64 SPR 131 8 15 62 Examples 3S76 3T77 3A74 3Al 3Bl 3B3 Except for the 2B67 there will be no e...

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Страница 14: ...n test leads between Cal Out and Vert input will be locked into a calibrator display distorting the waveform badly 3 The AC stabilized feature of the Type 63 pro vides different coupling time constant...

Страница 15: ...ded lead and good DC balance save the balancing and DC coupling demo until after a few minutes warm up a waveform like Fig 3 at 1 mv cm will be easy as pie r I i _ 1 L J f j_ Fig 2 AC stabi Iized disp...

Страница 16: ...oved Paint 24660 RFI 2 vertical inputs paralleled to rear BNC Long tail and internal release Letter of certification Tek ident removed Nameplate new panel Tek ident and type number removed Cannonminia...

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Страница 18: ...m z G z m m c z G...

Страница 19: ...Inter City Mfg Co Inc St Louis II Mo...

Страница 20: ...ilized time constants Power drain 5 21 65 Environmental characteristics 1 23 65 TECHNOLOGY Operating instructions Circuit description Troubleshooting Calibration TECHNIQUES Diodes hilp with ground loo...

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Страница 22: ...hunt connection with the shunt still connected The 100 v bus carries the entire load current so a current measurement at Sensitivity Setting 20mv cm lOmv cm 5mv cm 2mv cm lmv cm Time 3db Constant Poin...

Страница 23: ...Supplemental Information Temperature Nonoperating 40 to 65 C Derate maximum operating Operating Same as oscilloscope used to temperature by 1 C 1000 ft display signal above 5000 ft Altitude Nonoperat...

Страница 24: ...ould be placed in the GND position and the INPUT AC DC GND switch should be placed in the AC or DC position depending upon the type of coupling desired If the signal is connected to the INPUT connecto...

Страница 25: ...gnals with frequency components of less than about 2 cps 0 2 cps when using a 1OX attenuator probe the best response will be obtained with the AC DC GND switch in the DC position When looking at ac si...

Страница 26: ...he AC DC GND switch may be 1n either the AC or DC position 2 Multiply this distance by the setting of the VOLTS DIV switch and the attenuation factor if any of the probe This is the potential differen...

Страница 27: ...signals to be displayed are applied either straight through or through a lOX or l00X attenuator to the grid circuit or circuits of the Input Amplifier The attenuators are both resistive and capacitive...

Страница 28: ...POSITION control varies the return voltage of each of the cathodes of the Output Amplifier inversely to the other and at the same time produces a small de voltage change of opposite polarity at the c...

Страница 29: ...opening In order to maintain the high degree of accuracy of the instrument we recommend that it be fully calibrated after each 500 hours of operation The one millivolt gain should be checked from tim...

Страница 30: ...in connector to which the module is connected and adiust the INT TRIG DC LEVEL adiustment for a read ing of zero volts I 1 mV GAIN Adjustment The l mV GAIN adiustment sets the gain of the ampli fier...

Страница 31: ...he most nearly square leading corner on the positive half cycle of the displayed waveform 8 5 Set the VOLTS DIV switch to 5 VOLTS and adjust C415B and C415C for the most nearly square leading corner o...

Страница 32: ...shift or delay into the signal at the INPUT connector We recom mend that you use 93 ohm 10 to 1 T attenuators Tek part no 011 062 connected as shown in Type 2A63 Fig 7 It should be noted that these at...

Страница 33: ...mplitude to produce approximately 10 divisions of horizontal deflection Adjust C480B to close the ellipse on the screen 15 On the left hand module set the INPUT AC DC 10 GND switch to GND and the INPU...

Страница 34: ...1564 39 6293 69 9336 10 1736 40 6428 70 9397 11 1908 41 6561 71 9455 12 2079 42 6691 72 9511 13 2250 43 6820 73 9563 14 2419 44 6947 74 9613 15 2588 45 7071 75 9659 16 2756 46 7193 76 9703 17 2924 47...

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Страница 36: ...allel back to back diodes 152 088 between the third wire ground pin and the chassis of your Variac test set The diodes act as an open circuit to millivolt level sig nals below their forward bias point...

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Страница 38: ...z m z z m...

Страница 39: ...Inter City Mf i Co Inc St Louis 11 Mo...

Страница 40: ...ors 9 29 61 Quick fix for AC stabilized neon 8 10 62 Use 157 066 6DJ8 s for easier balancing 3 8 63 Characteristics vs specifications 7 18 63 2A63 phasing 3 26 64 Excessive DC shift reduced by transis...

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Страница 44: ...om V to nQ VOLTS DIV SWITCH PHASE SHIFT COMPENSATION NETWORK CHANGED Effective Prod s n 301 DESCRIPTION See SQB M3543 To eliminate selection of C480A and C480B and to allow C480B to adjust near midran...

Страница 45: ...odulation in the 561 and RM561 pin 24 on the inter connecting socket was grounded This will bypass R854 2 2M in the 561 and RM561 CRT Cathode circuit when this plug in is used in the left hand housing...

Страница 46: ...CSD 6 and CSE 6 5 R453 a 10k l 2w resistor connected between CSD 6 and CSE 6 6 Bare wire that connects CSE 5 and CSE 10 b Relocate R468 an 820k 1 2 w resistor from CSE 4 to CSE 3 c Relocate two white...

Страница 47: ...12 S I R 452 OK R 4SS C463 c S 1 0 1 R 5 46 3 3lc Q4S4 0454 i 1 2 Gi R 4S c C 45 OK_ 2 2 Q 457 C4S7 12 SK R 458 52 0 I R 4Co 8201 C 4 8 12 c r C4G 7 l C4 l Z 5 R4 olo sqo 63 2A63 MODIFICATION SUMMARY...

Страница 48: ...he AC Stabilized switch d Install one 9 3 4in piece of coax cable from W6 13R of the VOLTS DIV switch to the bottom center terminal of the AC Stabilized switch e Connect the ground shield of both cabl...

Страница 49: ...70 2Nl516 Parts Added 151 0015 00 Q454 Q464 2Nl749 Parts Required for Field Installation Parts Replacement Kit 050 0057 01 with 2N2191 transistors INSTALLATION INSTRUCTIONS Refer to kit instructions...

Страница 50: ...ld instruments SN 101 1299 To reduce the possibility of the input tubes oscillating the parasitic suppressing resistors in the grid circuit are changed to 47 n and two ferramic suppressor beads are ad...

Страница 51: ...hand contact c Connect both black brown black brown wires to the right hand contact on the AC Stabilizer switch FRONT PANEL CHANGED Effective Prod SN 1320 DESCRIPTION INFORMATION ONLY M6052 Change ty...

Страница 52: ...00 C480H C456 C466 Parts Required for Field Installation See Parts Added with asterisk INSTALLATION INSTRUCTIONS l0pF 500V 2 2pF 0 25pF 281 0504 00 281 0604 00 Install C480H a 10pF capacitor in paral...

Страница 53: ...8 in from one end of the rod No part number change PHASE SHIFT COMPENSATION NETWORK IMPROVED Effective Prod SN 3480 DESCRIPTION See SQB Usable in field instruments SN 101 3479 To permit phasing of un...

Страница 54: ...with an NE23 neon DIFFERENTIAL AMPLIFIER CAPACITOR REP LACED TO INCREASE RELIABILITY Effective Prod SN 3860 DESCRIPTION See SQB M7928 Usable in field instruments SN 101 3859 Accumulated breakdown fai...

Страница 55: ...9 4517 4522 4528 4577 4580 4669 4692 4720 4736 4776 4806 4810 4844 4861 83 4885 97 4899 4904 4906 7 4910 43 DESCRIPTION Second harmonic distortion shows up as a figure 8 when adjusting the X Y phasing...

Страница 56: ...4w 5 resistor connected in series between CSD 4 and CSD 7 See drawing DC SHIFT AND THERMAL GAIN CHANGES MINIMIZED BY CHANGE TO SILICON TRANSISTORS Parts Added C461 R461 e so See SQB 27pf 500v 6800 1...

Страница 57: ...Amplifier 2N2191 transistors were changed to type MM999 because of availability problems The 2N291 transistors are now available in quantity for replacement purposes In symmetrical circuits it is imp...

Страница 58: ...comp 200n Resistor comp lO0n l 2W 5 Switch Wired Volts Div INSTALLA TI ON INSTRUCTIONS Parts Required See Parts Added with asterisks and parts listed below C426 C436 R427 R437 Capacitor 0 005 F 500V...

Страница 59: ...ONS 309 0100 00 309 0283 00 309 0216 00 309 0290 00 262 0374 00 323 0289 01 323 0243 01 323 1068 01 323 1321 01 262 0374 01 Parts Required See Parts Added TYPICAL SWITCH CONFIGURATION Installation Pro...

Страница 60: ...nput AC DC GND switch with the new type capacitor b Replace C410 an 0 1 F 600V capacitor located between Input AC DC GND switch and a contact on the VOLTS DIV switch with the new type capacitor NEON I...

Страница 61: ...istor change necessitated changing C426 andC436 from 0 1 F capacitors to 0 005 F capacitors With the increased range of DC BAL the test specification of the selected 6DJ8 s were made less stringent Pa...

Страница 62: ...table 9479 9482 4 9488 9490 9492 9494 9496 9499 9501 PROBLEM R460 the 1 mV GAIN ADJ usually ends up adjusted to some value below 1k This places the wiper near the end of the resistance element This se...

Страница 63: ...ith changes in temperature PROBLEM The carbon film resistors used as R457 and R467 have a high temperature coefficient PRODUCTION CHANGE The resistors used as R457 and R467 were changed to metal film...

Страница 64: ...er being near the end of the resistance element This can become an unstable setting later when influenced by time vibration and temperature With R460 reduced in value from 20 k to 5 k the adjustment e...

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Страница 66: ...561A or RM564 indicator 040 0410 00 pro vides two coaxial lines for either right or left plug in compartment but not both 040 0411 00 provides four coaxial lines for either right or left plug in compa...

Страница 67: ...dwidth instruments the only noticeable effect will be that of the increased cable capacitance on signals from sources greater than 50 n CONNECTOR EXTRACTION The Cannon DM series miniature connectors m...

Страница 68: ...f the plug in Use the 6 32 x 1 2 flat head screws and Keps nuts from the kit Make sure the coax cables are in positions J 1 and J 2 as shown NOTE On some instruments one mounting hole must be drilled...

Страница 69: ...INSTRUCTIONS cont 0 1 11 1 __ Page 4 of 19 040 0407 00...

Страница 70: ...h contact as the white yellow wire from pin A of INPUT connector Solder the coax shield to a ground point on the switch 3 Solder the center conductor of the gray orange orange coax to the same switch...

Страница 71: ...INSTRUCTIONS b O p Page 6 of 19 040 0407 00...

Страница 72: ...grommet in the chassis 3 Solder the center conductor of the gray yellow yellow coax to the INPUT connector Solder the coax shield to the ground lug 4 Solder the center conductor of the gray orange or...

Страница 73: ...0g UJ u JI 0 1111 rt IO0 I Jl I I J r o p 7 11 Di C l II r Id R I I 11 l u bO w 0 I IX II 4 I I WW viz J If Ozc 1 I I I 0 l 01 I lZ ll II o to z I ju z 4 0 Ii11 I I 0 ow 0 I I J CT h d d w Jd 8 l o J...

Страница 74: ...ax to the EXT INPUT binding post and the shield to the ground post 5 Drill out the bottom hole in the support post near V24 to 1 8in 6 Dress the gray orange orange coax from connector assembly through...

Страница 75: ...INSTRUCTIONS cont 0 0 z z ZdJ I 08 J l 0 I I UJ WJ _o 11 V1 J 2 w 11 Jl oDJ o Q 111Z D cf q i _fr 6i _ if C0 Z Ill Cf i N lf bl ll I lJ i 5 1u Page 10 of 19 040 0407 oo...

Страница 76: ...m kit in the two front most holes in the shield 5 All Instruments Mount a 3 16 in cable clamp from kit in the rear most of the holes drilled in step A 3 or A 4 see Fig 5 Use a 6 32 x 5 16 PHS screw fl...

Страница 77: ...INSTRUCTIONS cont 0 I 0 I 0 crr J r r 1 L r 1T 1 Dlii 11 111 I I I I J i I I I Page 12 of 19 040 0407 00...

Страница 78: ...ounded lug on the AC DC GND switch or to the connector ground lug if present THIS COMPLETES THE INSTALLATION FOR THE TYPE 3Al OR 3A6 Remove the tape backing from the information plate from kit and att...

Страница 79: ...INSTRUCTIONS cont II Ill IIJ 1ft OJ i i o u g hg bO 3R l I 0 I 0 er Page 14 of 19 040 0407 00...

Страница 80: ...the TIME DIV switch 4 Drill a 5 32 in hole at the rear of the chassis as shown in Fig 9 CAUTION Look out for the wiring cable on the other side of the chassis 5 In the above hole mount a 2 hole suppo...

Страница 81: ...INSTRUCTIONS cont I I I I I I f II 11 II I I t 1 Ill 0 J oo 41 M I I I l I I I I I I 11 I I II I II I I I I Page 16 of 19 040 0407 00 w IllJ JO 01 1 6H C0 i o C0 1110 0 I bD l i i r ifo 0 0 I...

Страница 82: ...support post rod from the kit Use a 6 32 x 5 16 PHS screw from the kit 6 Dress the gray yellow yellow coax cable from connector assembly through the top holes in both the 2 hole and the 4 hole posts S...

Страница 83: ...INSTRUCTIONS cont 0 9 00 l rw OJ 00 o i CI Cf i i b ri i 0 Page 18 of 19 040 0407 00...

Страница 84: ...screws from the kit 4 Dress the gray yellow yellow coax cable from connector assembly through the top holes in the support posts Solder the coax center conductor to the EXT HORIZ IN connector and the...

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Страница 86: ...le to install one or four coaxial lines depending upon plug in type in 2 and 3 series plug ins The connector holders are the same whether they hold one two or four connectors so the plug ins having va...

Страница 87: ...n 10 MHz instruments for signals applied to the front panel input or terminateJ at the rear panel For lower bandwidth instruments the only noticeable effect will be that of the increased cable capacit...

Страница 88: ...GSA CSB csc Ci1 I P lbl p 1 I rJI i J Ii 1 lj I I I II jll CSD I Cli i I i i i en P LAYOUT f I Ao6 F R 0 H T r L...

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Страница 92: ...ghto QUICK FIX FOR AC STABILIZED NEON In some Type 63 Plug ins the AC Stabilized neon bulb sometimes goes out by itself after being turned on insufficient sustaining voltage The problem USE 157 066 6D...

Страница 93: ...inst the gain adj shaft and the other cap may be bent down against the chassis By physically touching both of these would be excited by a fan or other vibration from a nearby object In general they do...

Страница 94: ...t supply of 2N219l s cur rent production is shifting to the Motorola MM999 151 0133 00 which is more expensive but offers better reliability and the same or better DC shift improvement The mod was des...

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Страница 98: ...TEK OC170 2Nl516 changes you to use the replace To ensure optimum replacing both Q454 and Q464 with PARTS Quant 2 INSTRUCTION Philco Refer to drawing on Page 2 and complete the following steps Tek Nu...

Страница 99: ...ference correct your Instructions Manual Parts List and Schematic as required Refer to the Calibration Procedure in your Instruction Manual and recalibrate your instrument as required January 15 1962...

Страница 100: ...sation in instru ment serial numbers 101 through 3479 Phase Shift Compensating capacitor C456 must be changed from a 2 2pf fixed capacitor to an 0 7 3pf variable capacitor To insure optimum performanc...

Страница 101: ...Capacitor cer l Spf Resistor comp 680 n COLLECTOR I BASE COLLE CT OR BASE 500v 500v l 4w EMITTER EMITTER 0 0 var 5 r RO U STRAPl E D TO TrlE R BEFORE AF TER BOTTOM VIEW OF Q454 AND Q 464 SKTS Fig l 1...

Страница 102: ...CSD 8 to CSD 9 7 Relocate two white gray wires from CSD 9 to CSD 8 8 Connect R457 and C459 unsoldered in step 5 to CSD 8 9 Install a bare wire from CSC 9 to CSD 9 10 Install C456 an 0 7 3pf capacitor...

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Страница 104: ...and eases the selection of transistors The information on these pages supplements or supersedes the information in your Manual RECALIBRATION The following procedure applies only to the modified porti...

Страница 105: ...ately the frequency is also rather critical Use auxiliary measuring equipment if necessary 4 Set C467 so that the length of the displayed vertical line on the screen is 0 707 times the amplitude of th...

Страница 106: ...ce approximately 8 divisions of vertical deflection Adjust C480F to close the ellipse on the screen 18 Set the VOLTS DIV switch on the left hand module to 0 1 VOLTS and increase the signal amplitude t...

Страница 107: ...and through the phase shifting network to the INPUT connector of the other module 5 Set the VOLTS DIV switches of the two modules to the lowest settings farthest clockwise you expect to use during the...

Страница 108: ...SCHEMATICS 050 0057 o1 Page 5 of 5...

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Страница 110: ...2A63 and in both amplifiers of the Types 503 and RM503 These changes reduce the grid current drawn by the tube and extend the range of the DC Balance control If a new input tube is req uir ed in both...

Страница 111: ...w 3 ft sil ver bcaring solder Capacitor ccr 0 005 F Resistor comp 10 k Resistor comp 13 k Resistor comp 240 n Resistor comp 470n C S A 500V l 2W 1 2W l 2W l 2W li111HtP til Ll LI D e 1u11 1 IIIIIPIH I...

Страница 112: ...36 Coarse DC Bal pot Vert R337 C336 connected across the outside terminals of R336 DC Bal pot Horiz R447 C446 connected across the outside terminals of R446 DC Bal pot Vert R347 C346 connected across...

Страница 113: ...001 I C 5 C 7 8 18 1q 27 mI I 11 I I I J 11 am 9 I emI I UN 1Si11 IA I I CS H CS J I II CS o 1uun111u1 CS K 1I I I 1 i I i 1 I II C S E BUI I I II 11 I II cs v IIUtUIUU I I I I II 12 12 CSG I n I UH l...

Страница 114: ...PE 2A63 ONLY 7 Replace the parallel combinations 2 of an 0 1 F discap and a lO0n l 2W 5 or 10 resistor with a 470n l 2W 5 resistor and an 0 005 F capacitor from kit as follows R427 C426 connected acro...

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Страница 116: ...sunk p diameter PHS division piv electrolytic metal cased piste electroyltic metal tubular PMC external poly farad Pree focus and intensity PT flat head steel PTM fillister head steel RHS giga or 109...

Страница 117: ...Parts List Type 2A63 INPUT 2 FRONT TYPE 2A63 DlFFERENT AL AMPLIFIER POSITION CAL BRA1 EO AC STABILIZED OFFI __ ON DC BAL AC DC GND INPUT j j 1 l 0 1 l l 1 0...

Страница 118: ...10 840 1 WASHER 390 IDx 9 16 OD 210 013 1 LOCKW ASHER int x 11 1 6 4 131 081 101 1879 2 CONNECTOR coaxial 1 contact female 131 126 1880 2 CONNECTOR BNC 210 241 2 LUG ground 15 16 long 5 129 035 2 POST...

Страница 119: ...is Type 2A63 Parts L t LEFTSIDE 0 4...

Страница 120: ...HIELD switch Mounting Hardware 210 0449 00 2 NUT hex 5 40x 210 0006 00 2 LOCKWASHER int 6 211 0504 00 2 SCREW 6 32x BHS not included 210 0803 00 4 WASHER 6L not included 10 210 0413 00 4 NUT hex 32 x...

Страница 121: ...s slot 8 124 0106 00 4 STRIP ceramic 7 16 x 11 notches 361 0008 00 8 SPACER nylon molded 9 136 0095 00 101 4859 2 SOCKET 4 pin transistor 136 0181 00 4860 2 SOCKET 3 pin transistor Mounting Hardware F...

Страница 122: ...63 Q T Y REAR 0 _ __ ___ 0 DESCRIPTION CONNECTOR chassis mt 24 contact male Mounting Hardware not included 2 SCREW 4 40 x BHS 2 LOCKWASHER int 4 2 NUT hex 4 40x 3 16 1 PLATE rear Mounting Hardware not...

Страница 123: ...notch 124 095 11 notch 124 106 8 7 16 inch SMALL NOTCH Short Stud 7 notch 124 149 9 notch 124 148 13 notch 124 147 16 notch 124 146 20 notch 124 145 7 16 inch SMALL NOTCH Tall Stud 7 notch 124 158 9 n...

Страница 124: ...30 0 001 f Discap 500V 283 000 C436 101 7659 0 1 f Discap 200 V Use 283 057 C436 7660 up 0 005 f Discap 500v 283 0001 00 C453 0 1 f Discap 100V 283 012 C455 X4945 up 1 5pf Cer Selected 281 529 C456 7...

Страница 125: ...200 up 50 5k w Pree 323 1 068 01 R409 101 6199 21 5k w Pree 1 309 290 R409 6200 up 21 8k w Pree 323 1321 01 R410 X1300 up 100k 1 J w 316 104 R414C 990k w Pree 1 309 145 R414E 10 1k w Pree 1 309 135 R4...

Страница 126: ...5 308 081 R495 10k 5w WW 5 308 054 R496 8k 5w WW 5 308 053 R497 2k Var GAIN ADJ 311 221 R498 2k Var VARIABLE 311 189 R501 1000 w 302 101 R505 47 k w 302 473 R510 16o 5w WW 5 308 166 Switches Wired Unw...

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Страница 128: ...W 5 308 053 R497 2k Var GAIN ADJ 311 221 R498 2k Var VARIABLE 311 189 R501 1000 w 302 101 R505 47k w 302 473 R510 16n 5w WW 5 308 166 Switches Wired Unwired SW400 101 1319 Slide AC DC GND 260 251 SW40...

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Страница 132: ...ng INPUT Remove TYPE 190B PMSE 9 1 64 This memo is to reaffirm the memo of March 20 1962 by Herb England and Leon Orchard on the subject The wrong test limit was printed in the newly revised Factory C...

Страница 133: ...nuator l r left hand TYPE 2A63 INPUT Jox i_ TYPE 2A63 standard INPUT Set the 11lefthand 11 dual attenuator box switch to 2 Dave Robertson 6 7 65 20 mv Set the standard dual attenuator or box switch to...

Страница 134: ...D 7 45 5 2 0 l 408A r I C480 E 47 so l 408C 3 3 2 IJ NOI J POL C480 F 7 45 C408 l 408E 2 SO_ f I II _ 2 0 C480 a 39 f 4 08 G 526 m VOLTS 1 0 C480J 2 2 p 408H 256 5 C480 L 12 l 408L IOI 2 C480N 3 3 4_...

Страница 135: ...I I I I I I I I I 1 1 f l Ac i J J f lf DC I r I C410 I GND I e l QI I f i I I I 3 PLUG IN TYPE l A6 __ SW410 l IRST STAGE I I I LNPUT AAI QFlEH 125V 300V SECOND STAGE MIDRANGE L OUTPUT AMpLLFIE j 3...

Страница 136: ...ot all used by the 157 0120 00 tube The selection cri teria put the tube well within the range required by the plant test limit i e that the tube must balance with the front panel control centered and...

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