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Summary of Contents for 2A60

Page 1: ...TEK 2A60 IRB 2 24 64 INSTRUMENT REFERENCE BOOK for the Tektronix type 2A60 dc to lmc amplifier plug in unit For all serial numbers PE l...

Page 2: ...2 1964 Tektronix Inc P 0 Box 500 Beaverton Oregon All rights reserved 2 24 64 TEK 2A60 lRB...

Page 3: ...out 560 60 67 Calibration procedure Compatibility with 560 Series Designation change History parts list Instruction Manual Instruction Manual error SN 432 479 Test specifications Included in IRB TEK 2...

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Page 6: ...Inter City Mfg Co Inc St Louis II Mo...

Page 7: ...NGINEERING section Change in plug in type designation 8 15 62 Type 60 amplifier instruction manual correction 6 15 62 American Telephone and Telegraph procedures call out 560 60 67 3 30 62 COMPATIBILI...

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Page 9: ...__ _ Publication affected ___ C_a_t_a_lo g _ _________ No 25 Dated Apr 1 66 Page __ 14_7 ______ Item__ Ban_d_w_i_d_t_h_ _AC_LF __ _3_dB_ _________________ _ add AC LF 3 dB Reason for change Addition t...

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Page 11: ...lash accompanying the Product Availability list should alert you when the old types are dropped The Types 50 51 and 59 will be dropped from the new Catalog will not be advertised and will keep their o...

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Page 13: ...ope or American Tel and Tel s procedures is optional with the operating company or the local maintenance engineer TEK 2A60 IRB 2 24 64 Check reports that use of the scope provides much more accurate s...

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Page 15: ...ype 2A 60 is directly compatible with the following instruments 561 RM561 561A RM561A all sn all sn all sn all sn 565 all sn RM565 all sn 567 all sn RM567 all sn Does not provide digital readout provi...

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Page 17: ...EK2A60PRB Mod 236G 787B 802R 804Z MODIFIED PRODUCTS Description 1 vertica1 input paralleled rear BNC long tail and internal release DCoutput level adjustment Vertical changed to BNC One vertical paral...

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Page 19: ...m z G z m m 0 z G...

Page 20: ...Inter City Mfg Co Inc St Louis II Mo...

Page 21: ...ONTENTS ENGINEERING PERFORMANCE Power Drain 5 21 65 Environmental characteristics 1 23 68 TECHNOLOGY Operating instructions Circuit description Traub leshooting Calibration procedure TEK 2A6O RB 2 7 6...

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Page 23: ...unt still connected The l00v bus carries the entire load current so a current measurement at Geoff Gass 5 21 65 the plug in connector is always correct for this supply There is no shunting for the 12...

Page 24: ...Sunnlemental Tn Fnrme t m Temperature Nonoperating 40 to 65 C Derate maximum operating Operating Same as oscilloscope used to temperature by 1 C 1000 display signal above 5000 ft Altitude Nonoperating...

Page 25: ...Displaying a Signal To display a signal with the Type 2A60 module proceed as follows 1 Apply the signal preferably through a shielded cable or an attenuator probe to the INPUT connector 2 Establish a...

Page 26: ...form To measure the de level at a grven point on a wave form proceed as follows 2 1 Set the AC DC GND switch to GND Make sure the VARIABLE control is set fully clockwise to the CALIBRATED position 2 P...

Page 27: ...eans of setting the quiescent cathode potential of V444 equal to that of V434 so that there is no current through R436 and R446 when no signal is applied When the DC BAL adjustment is so set the de ze...

Page 28: ...it with V444 the tube may work satisfactorily in that position If this condition occurs and cannot be immediately cor rected satisfactory measurement of de levels can be accom plished by establishing...

Page 29: ...DC LEVELadjustment so that the potential at pin 11 of the plug in connector is exactly zero with respect to ground Hum Balance Adjustment The need for hum balance adjustment is indicated by the presen...

Page 30: ...o 47 pico farads and properly compensate the attenuators of the Type 2A60 module proceed as follows 6 1 Set the AC DC GND switch to DC the VOLTS DIV switch to 05 and the VARIABLEcontrol fully clockwis...

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Page 32: ...Inter City Mfg Co Inc St Louis 11 Mo...

Page 33: ...ts MAINTENANCE NOTES CONTENTS MAINTENANCE Troubleshooting section of manual see manual in ENGINEERINGsection PARTS Electrical parts list Mechanical parts list CALIBRATION Manual calibration procedure...

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Page 35: ...ober 1962 serial approximate numbers month shipped 153 12 60 159 1 61 160 2 61 164 3 61 165 4 61 207 5 61 234 6 61 239 7 61 253 8 61 277 9 61 316 10 61 336 11 61 351 12 61 387 1 62 409 2 62 435 3 62 4...

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Page 37: ...MODIFICATION SUMMARY 1965 Tektronix Inc All Rights Reserved a 60 2A60 MODIFICATION SUMMARY Page 1...

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Page 39: ...ed R400 47 Q 1 2 w 5 301 0470 00 Parts Required for Field Installation See Parts Added INSTALLATION INSTRUCTIONS Replace bare wire that connects input connector to AC DC GROUND switch with a 47 n resi...

Page 40: ...ation Procedure a Unsolder the two white blue yellow wires from Pin 4 of V434 179 0458 00 311 0194 00 441 0333 00 179 0547 00 441 0391 00 175 0514 00 175 0514 00 175 0514 00 b Unsolder the white blue...

Page 41: ...eoff signal of 0 5V for l minor division See Before After drawings on following page NOTE This mod is needed only if the type 60 plug in is to be used in a 561A Parts Removed R481 R482 R483 470k l 2W...

Page 42: ...CSB 26 and the black brown brown wire to the the right hand terminal of R483 2 Bare wire between CSB 25 and CSB 26 3 Bare wire from CSB 27 to the left hand terminal of R483 4 R480 4 7 Meg resistor fro...

Page 43: ...s which require mod information Type designation change and addition of mod slot will necessitate changing the front panel part numbers Change color of front panel knobs bushings and switches buttons...

Page 44: ...ATION INSTRUCTIONS a Remove R475 a 75 n 1 2 w resistor connected between pins 3 and 8 of V474 b Install the selected R475 on the ceramic strips in parallel with the back to back diodes R475 is selecte...

Page 45: ...s are replaced with BNC connectors to match the military and manu facturing trend toward the BNC type The BNC type has a constant 50 n impedance and a lower input capacitance It also requires less fro...

Page 46: ...of more than 1 SV from ground 3 divisions when the VARIABLE VOLTS DIV was ccw PRODUCTION CHANGE The suppressor grids of V434 and V444 were connected to their respective cathodes and the plate voltage...

Page 47: ...6 Res 4 7 k 1W 5 Res 5 o1 k 1W 5 6AU6 AND 12AU6 TUBES REPLACED BY PREMIUM 8425 AND 8426 TUBES TO REDUCE MICROPHONICS INTERFACE AND GRID CURRENT PROBLEMS Effective Prod SN 3300 INFORMATION ONLY FRONT P...

Page 48: ...lifier If R475 is selected at the low end of its range R475 is selected for linearity a further increase in gain results If both the input amplifier and the output amplifier are high gain the Amp Gain...

Page 49: ...right or left plug in compartment 040 0411 0 0 provides four coaxial lines for either right or left plug in compartment Additional kits are available to install two or four coaxial lines depending up...

Page 50: ...n input connector facing into an indicator power supply 2 Changes in Electrical Characteristics The system is basically incompatible with conventional XlO or XlO0 high impedance probes This is because...

Page 51: ...onnector consisting of Connector coax Cannon DM53743 5001 Tubing plastic 12 black heat shrinkable 3 4 in Cable coax RG 174 U gray 21 in Nut Keps 6 32 x 5 16 Screw 6 32 x 5 16 PHS Phillips Screw 6 32 x...

Page 52: ...sis to the INPUT connector see Fig 2 Solder the center conductor to the connector and the shield to the ground lug Secure the cable to the chassis by pressing cable clamps from kit into the holes dril...

Page 53: ...INSTRUCTIONS cont Ill a 0 Q G N d 0 1 0 0 J 0 14 l N 2 bO 4 ia B Illz dJ J I 0 Iw fl 00 0 I Jl J o gi 040 0406 00 Page 5 of 19...

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Page 55: ...in the chassis in line with the hole in the rear plate immediately below the one from which the screw was removed CAUTION Move the cable harness first to avoid damage 4 Mount the coax connector holder...

Page 56: ...INSTRUCTIONS cont t l 4 J J I J Oui z J 4d og 4 I w ti u f J o W zl l lf d r j I C lll J Ill u J l f tl w0 r CO IX SI t bO B z Page 8 of 19 040 0406 00...

Page 57: ...nd the shield to the ground lug Secure the cable to the chassis by pressing cable clamps from kit into the holes drilled in step B 6 THIS COMPLETES THE INSTALLATION FOR THE TYPE 75 OR 3A75 Remove the...

Page 58: ...CTIONS cont INSTRU Page 10 of 19 040 0406 00 o Fig 5...

Page 59: ...be drilled through the chassis lip in line with the hole in the rear plate 2 Install the coax connector assembly from kit in position J 1 or J 2 on the holder see Fig 5 referring to the table below f...

Page 60: ...4 z Ox t g UJ 1 u J I O tfl I Jl llJ ti IDo ii I 7T I I I o i N I j I I l lL w CL I rt II IY bD 4 I I 1uw i r r Z 0u 1 I I 01 0 J I z Q O o 2 I Jtl l l ll I ClllJ Ot J z I Ci J d 4 IOw 1 o u I J l l...

Page 61: ...into the hole drilled in step D 1 b e Solder the coax center conductor to the EXT INPUT binding post and the shield to the ground post 2 EXT TRIG see bottom portion of Fig 6 a Drill a 1 8 in hole in t...

Page 62: ...INSTRUCTIONS cont 11 OC WI Page 14 of 19 040 0406 00 r1 11 1 I I II II I I I I llJ IllJ 6 1 t QJ I Illg rl P l CY l l z I r 4J fl bi 10 0 u0 0 i rs I...

Page 63: ...on the other side of the chassis e In this hole mount a 2 hole support post rod from the kit Use a 6 32 x 5 16 PHS screw from the kit 2 Delayed EXT TRIG a Dress the coax cable from J 1 through the to...

Page 64: ...INSTRUCTIONS cont Page 16 of 19 040 0406 00 I I I I I JI R I I OJ 1 0 ll M I I I ll I I 1 I iI I I II II 11 I I I I IN liJ tlJJ J 0 01 1 ll wJ 5 C0 r o C0 WO 00 b O r i00 u0 Q I...

Page 65: ...g 8 CAUTION Look out for the wiring cable on the other side of the chassis e In this hole mount a 2 hole support post rod from the kit Use a 6 32 x 5 16 PHS screw from the kit 2 Delayed EXT TRIG a Dre...

Page 66: ...INSTRUCTIONS cont 0 9 00 o t UJ OJ DO 4 1 Sf r o m bl 0 N 1 0C I xOz xlYz W I UJf _ Page 18 of 19 040 0406 00...

Page 67: ...c In each of the holes drilled above mount a 2 hole support post rod from the kit Use 6 32 x 5 16 PHS screws from the kit 2 EXT HORIZ IN a Dress the coax cable from J 1 through the top holes in the su...

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Page 69: ...stall two 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 various nu...

Page 70: ...of the plug in is raised to approximately l00pF plus the capacitance of the circuitry attached to the rear connector Optimum transient response for 10MHz instruments may be preserved by terminating a...

Page 71: ...i R 0 H T DATE CHPiSS1S I l q CSAQpooouou01 q CSB nnnuanpoJ STRIP LA YOUT IL O 18 l l Z7 HOHOD U nno H H PT 10 I 0 1 1 2 7 llca uHo o I o o DOH u i...

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Page 73: ...UG r 1 4 V463 V4 4 V483 G 3VA C I l 4 42 300V TR lE E E 12 D121VE R CF 12 c V R473 I0K p_1_c o_F_F ________ 21 C4G5 3 TO B A C4GG 3 3 V463A Yz6DJ8 f 466 1 S 124G7 22 44V V474A Y26DJ8 R470 100 197V 125...

Page 74: ...100 TO B A C466 3 3 f 461 100 D IVE f CF 125V 7 2 V463A 1 26Du8 f 466 1 5 C 4G7 22 C V463B 1 26Du8 12s v OU TPUT AMPLIFIEF SIN 101 431 INTE F CONNE CTING PLUG HUM BAL I 4 4 4 6 3VAC I Y434 V444 V463...

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Page 77: ...MECHANICAL PARTS UST CONTENTS Front View Right Si de View Left Side View Rear View PUBI ICA ilON NO 061 838 October 1964 Revised 2A60 Mechanical Page 2 Page 4 Page 5 Page 6...

Page 78: ...DC SAL INPUT 2 FRONT TY 2A60 AMPLIFIER CALIBRATED DC AMPLIFIER BANDWIDTH DC MC RJSETIME 0 35 SEC 2A60 Mechanical POSITION GAIN ADJ OREGON U S A...

Page 79: ...013 00 2 LOCKWASHER internal 3 8 x 11 16 210 0494 00 2 NUT hex 3 8 32 x 1 2 x 11 16 4 334 0679 00 1 TAG metal serial no insert 5 366 0109 00 1 KNOB plug in securing 6 334 0829 00 820 1 TAG metal blank...

Page 80: ...included w rod 1 SCREW 8 32 x 1 2 inch FHS 1 CABLE harness chassis 1 CABLE harness chassis 3 SOCKET STM7G Mounting Hardware For Each not included 2 SCREW thread cutting 5 32 x 3 16 inch PHS 6 STRIP ce...

Page 81: ...es BRACKET input attenuator Mounting Hardware SCREW 4 40 x 3 16 BHS LOCKWASHER int 4 NUT hex 4 40 x 3 16 FASTENER snap double pronged ROD extension shaft COUPLING pot wire COUPLING cap nylon BRACKET n...

Page 82: ...2 2 l 4 l l l l REAR 0 CONNECTOR chassis mto Mounting Hardware SCREW L 40 x 1 BHS LOCKWASHER int 4 NUT hex 4 40 x 16 PLll TE rear 24 contact male included Mounting Hardware not included SCREW 8 32 x...

Page 83: ...pF 0 01 F 4 5 25pF 4 5 25pF 0 001 F 4 5 25pF 4 5 25pF 100 pF 4 5 25pF 0 01 F 0 01 F 0 01 F 3 3 pF 3 3 pF 0 0033 F 1 8 pF 0 01 F 0 1 F 0 1 F Germanium Germanium Description Capacitors PTM Cer Var Cer V...

Page 84: ...101 00 lO0n W R461 302 0101 00 100n W R465 301 0223 00 22 kn W 5 R466 301 0152 00 1 5kn W 5 R467 301 0223 00 22 kn W 5 R470 302 0101 00 1000 W R471 302 0101 00 1000 W R473 308 0054 00 10 kn SW WW 5 R4...

Page 85: ...N MANUAL Parts List Addendum PARTS LISTCORRECTION 301 02o4 oo 200 k SCHEMATIC CORRECTION V434 5 125V 125V 2 R4SO 2001 PARTIAL AMPLIFIE R DIAGRAM Selected part nominal value installed TEK 2A60 RB 1 16...

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Page 87: ...25pF 0 01 F 4 5 25pF 4 5 25pF 0 001 F 4 5 25pF 4 5 25pF 100pf 4 5 25pF 0 01 F 0 01 F 0 01p F 3 3 pF 3 3 pF 0 0033p F 1 8pF 0 01 F 0 1 F 0 1 F Germanium Germanium Description Capacitors PTM Cer Var Ce...

Page 88: ...226 00 2 x soo kn Var R455 301 0434 00 430kn W 5 R460 302 0101 00 1000 W R461 302 0101 00 1000 W R465 301 0223 00 22 kn W 5 R466 301 0152 00 1 5kn W 5 R467 301 0223 00 22 kn W 5 R470 302 0101 00 1000...

Page 89: ...0 0347 00 262 0373 00 V434 V444 V463 V474 V483 I 154 0022 00 154 0022 00 154 0187 00 154 0187 00 154 0022 00 Slide Slide Rotary 6AU6 6AU6 6DJ8 6DJ8 6AU6 Switches Description Electron Tubes AC DC GND A...

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Page 91: ...LOCKWASHERPOT INT 3 a x 11 16 LOCKWASHER INT LUG SOLDERSE4 LUG GROUND 025 THICK MILD STEEL 15 1 6 LG KNOB SMALLRED1 8 HOLE PARTWAY KNOB SMALLBLACK HOLE PARTWAY 101 819 KNOB SMALLCHARCOAL HOLE PARTWAY...

Page 92: ...6 FHS 100 CSK PHILLIPS SCREW 8 32x FHS 100 SCREW 8 32x RHS PHILLIPS SCREW THREADCUTTING 5 32x 3 16 PAN HS PHILLIPS SPACER NYLON MLD FOR CERAMICSTRIP SOCKET STM7G SOCKET STM9G STRIP CERAMIC 7 1 6 x 9...

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