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Electrical

Parts List—P6042 Probe

Tektronix

Serial/Model No.

Switches

(conf)

Ckt.

No.

Part

No.

Eff

Disc

Description

Wired

or Unwired

SW60

260-0851-00

Rotary

CURRENT/DIV

SW70

260-0516-00

Push

SW141

260-0834-00

Toggle

POWER

Transformers

T1
T3

T140

*120-0464-00
*120-0501-00
*120-0497-00

Transformer

Assembly

Toroid,

7 turns bifilar

Power

7-6

Содержание P6042 PROBE

Страница 1: ...INSTRUCTION MANUAL Serial Number P6042 PROBE Tektronix Inc S W Millikan Way P O Box 500 Beaverton Oregon 97005 Phone 644 0161 Cables Tektronix 070 0629 00 967...

Страница 2: ...field therefore all requests for repairs and re placement parts should be directed to the Tektronix Field Office or representative in your area This procedure will assure you the fastest possible ser...

Страница 3: ......

Страница 4: ...Characteristics Type P6042 Fig 1 1 P6042 Current Probe and accessories...

Страница 5: ...rmance Check section of this manual If the need for calibration is indicated a step by step procedure is provided in the Calibration section The Supplemental Information column of Table 1 1 provides a...

Страница 6: ...mation Temperature Non operating 40 C to 65 C Operating 0 C to 50 C Ambient Altitude Non operating To 50 000 feet Operating To 15 000 feet Humidity Non operating 5 cycles MIL STD 202C Method 106B omit...

Страница 7: ...Characteristics Type P6042 1 3...

Страница 8: ...Characteristics Type P6042 1 4...

Страница 9: ...er source 2 Loosen the two captive screws which hold the cover onto the switch assembly then pull to remove the cover 3 To convert from 115 volt to 230 volt operation pull out the Voltage Selector swi...

Страница 10: ...Operating Instructions Type P6042 Fig 2 2 Function of front panel controls and connectors 2 2...

Страница 11: ...he 50 ohm termination 011 0049 00 supplied in the accessory kit to the input connector of the oscilloscope 1 Connect the P6042 OUTPUT to the input of the oscillo scope or termination using a 50 ohm co...

Страница 12: ...amplitude of the signal The following is an example CURRENT DIV switch setting 1 A Volts div switch setting 200 mV Deflection of waveform 2 5 divisions Calculate the amplitude of the signal 1 A 50 mV...

Страница 13: ...high line Power is applied to the transformer primary through the power plug P141 the power switch SW141 and the fuse F141 F142 is switched in for 230 volt operation only The secondary of the power tr...

Страница 14: ...ortion of the core assuring positive contact between the two core pieces Until the slider is pushed forward into the locked position switching SW3 the PROBE UNLOCKED light on the front panel B5 remain...

Страница 15: ...conduction which lowers the base voltage of Q45 and turns it off Q53 reduces conduction causing an electron flow from 16 V through Q54 which is turned on through the probe secondary and the attenuato...

Страница 16: ...the system turned off or if a current beyond the maximum specified level is applied the probe may be magnetized A portion of this magnetic flux is likely to remain in the current probe core causing e...

Страница 17: ...t back over the cable 3 While holding the probe horizontally with the slider up lift the top half of the probe body up and slide it off the end of the probe Be careful that the metal ball does not fal...

Страница 18: ...Maintenance Type P6042 Fig 4 2 Locations of components mounted on circuit boards A Amplifier circuit board B Decoupling circuit board 4 2...

Страница 19: ...id a short circuit with the contacts on the POWER switch Recalibration To assure the correct and accurate operation of the P6042 Probe it should be checked after each 1000 hours of opera tion and reca...

Страница 20: ...Maintenance Type P6042 Fig 4 3 Locations of color code of wiring connections A Amplifier circuit board B Decoupling circuit board 4 4...

Страница 21: ...or purchasing any replacement parts refer to the Parts List in this manual for the required characteristics and correct description In addition to the standard electronic components many special part...

Страница 22: ...the DEGAUSS switch and the decoupling board 3 Loosen the cable clamp on the back of the front sub panel and straighten the cable 4 Pull the cable through the front panel grommet and remove the probe...

Страница 23: ...tion factors from 2V cm to 20 mV cm sweep rates from 1 ms cm to 02 s cm with X10 magnifier Vertical bandwidth of DC to 100 MHz A single vertical input channel is used 3 Square wave generator Tektronix...

Страница 24: ...g Stability counterclockwise until the Ready light stays on Push Upper and Lower Store buttons e Reach inside the front panel probe holder and close the probe operated switch simulating the probe inse...

Страница 25: ...n the previous step change CURRENT DIV to 10 mA and check for 2 centimeters of deflection 3 Switch to 20 mA and check for 1 centi meter of deflection b Remove the current loop from the square wave gen...

Страница 26: ...ngle Sweep Auto Selectable Bandwidth Plug In Low Freq 3 dB Point 1 High Freq 3 dB Point 100 c Push Erase and Reset button several times while adjust ing Intensity so that the brightness of the trace i...

Страница 27: ...dynamic range of at least and 1 cm and 500 mV at probe amplifier output See Fig 5 5 Fig 5 5 Dynamic range of P6042 test oscilloscope set to 0 5 V div 11 Check Bandwidth a Set Volts cm to 2 and adjust...

Страница 28: ...NOTES...

Страница 29: ...Minimum alter nate requirements Vertical deflection factors from 2 V cm to 20mV cm sweep rates from 1 ms cm to 02 s cm with X10 magnifier Vertical bandwidth from DC to 100 MHz A single vertical input...

Страница 30: ...Calibration Type P6042 Fig 6 1 Test equipment recommended 6 2...

Страница 31: ...4 Adjust Compensation Circuits R102 R18 page 6 12 R24 Cl 00 R100 and R105 Adjust in above sequence 15 Check Abberations page 6 14 3 peak to peak 16 Check AC Dynamic Range page 6 16 and 500 mV at probe...

Страница 32: ...10 Gnd Gnd A B 10 Calib trace centered P6042 Current Probe CURRENT DC LEVEL midrange CURRENT DIV BALANCE midrange CURRENT DIV 1 A POWER off Before starting the procedure preset R16 R17 and R18 counte...

Страница 33: ...test point Check for 300 Connect positive probe to test point b Check the resistance to ground at the 16 volt test point see Fig 6 3 for 200 Connect negative probe to test point 2 Adjust 16 Volts R165...

Страница 34: ...bandwidth plug in unit in the storage oscilloscope and set the controls as follows Volts cm 500 V Low Freq 3 dB Point DC High Freq 3 dB Point 300 Hz DC Offset Off 4 Input Coupling AC Input Coupling G...

Страница 35: ...itioning range of and 3 cm and 300 mV If necessary readjust R93 so that the and ranges of the OUTPUT DC LEVEL control are equal See Fig 6 7 Return trace to he center graticule line with the OUTPUT DC...

Страница 36: ...he trace is off screen c Push the slider forward into the closed position The PROBE UNLOCKED indicator should extinguish and the trace should come on screen 8 Check DEGAUSS Operation a Remove the term...

Страница 37: ...A and check range of CURRENT DIV BALANCE for 5 cm Switch to 1 mA degauss probe and return trace to center graticule line with CUR RENT DIV BALANCE 10 Adjust Gain R107 a Set Time cm to 1 ms and Volts c...

Страница 38: ...Calibration Type P6042 Fig 6 11 Preliminary test setup for steps 10 and 11 Fig 6 12 Test setup for steps 10 and 11 6 10...

Страница 39: ...connect to the test oscilloscope 5 mA current loop Set the Calibrator switch to the 5 mA square wave position j Set Volts cm to 50 mV CURRENT DIV to 1 mA and degauss the probe Check for 5 centimeters...

Страница 40: ...current loop and probe as in Fig 6 12 e Check the amplitude of the display for no more than 5 cm 0 5 mA 0 2 cm tangentially measured See Fig 6 14C f Remove the probe from the square wave generator out...

Страница 41: ...oop to the square wave generator Transition output Connect the probe to the current loop See Fig 6 16 d Set the square wave generator Repetition Rate Range to 10 kHz and switch to Fast Rise Adjust Tra...

Страница 42: ...tion Type P6042 R105 R100 Cl 00 FIRST FIRST FIRST 0 1 S 0 1 S 0 1 S R102 FIRST 10 S RIS R24 FIRST FIRST 5 S S Fig 6 17 Location of compensation adjustment and square wave time relationship of each NOT...

Страница 43: ...e two lengths of RG 8A U See Fig 6 18 b Set pulse generator Voltage Range to 5 0 Pulse Polarity to and turn power on Set test oscilloscope Volts cm to 2 volt Time cm to 2 s and turn X10 Mag on c Adjus...

Страница 44: ...Dynamic Range a Connect the current loop to the constant amplitude sig nal generator output b Set the controls as follows DC to 100 MHz Test Oscilloscope Volts cm Time cm Input Coupling Vertical Posi...

Страница 45: ...500 mV at probe amplifier output See Fig 6 20 17 Check Bandwidth a Set Volts cm to 2 and adjust signal generator Ampli tude for 5 centimeters of deflection b Increase the frequency of the constant amp...

Страница 46: ...NOTES...

Страница 47: ...PMC paper metal cased EMT electrolytic metal tubular poly polystyrene f epsilon 2 71828 or of error prec precision equal to or greater than PT paper tubular equal o or less than PTM paper or plastic t...

Страница 48: ...rt number instrument type or number serial or model number and modification number if applicable If a part you have ordered has been replaced with a new or improved part your Field Office or represent...

Страница 49: ...C59 281 0543 00 270 pF Cer 500 V 10 C62 281 0617 00 15 pF Cer 200 V C65 290 0307 00 100 F Elect 40 V C70 285 0633 00 0 22 F PTM 100 V 10 C72 283 0027 00 0 02 F Cer 50 V C78 283 0027 00 0 02 F Cer 50 V...

Страница 50: ...0 152 0127 00 152 0107 00 152 0127 00 Silicon Replaceable by 1N647 Zener 1N4372A 0 4 W 3 V 5 Zener 1N755A 0 4 W 7 5 V 5 Silicon Replaceable by 1 N647 Zener 1N755A 0 4 W 7 5 V 5 Fuses F141 159 0044 00...

Страница 51: ...ble by 2N3053 Q87 Q96 153 0553 00 Matched Pair Q113 151 0212 00 Silicon Tek Spec Q121 151 0212 00 Silicon Tek Spec Q123 151 0212 00 Silicon Tek Spec Q156 151 0188 00 Silicon 2N3906 Q161 151 0190 00 Si...

Страница 52: ...3 k W 5 R51 315 0241 00 240 W 5 R53 315 0510 00 51 W 5 R56 307 0051 00 2 7 W 5 R59 317 0101 00 100 W 5 R60A 321 0749 06 450 W Prec R60B 307 0129 00 55 5 Film Disc 1 R6 D 321 0748 06 4 95 k W Prec 7o...

Страница 53: ...111 315 0470 00 47 W 5 R112 323 0221 00 1 96 k W Prec 1 R113 301 0431 00 430 W 5 R114 317 0200 00 XB030618 20 W 5 R115 301 0911 00 910 W 5 R116 321 0065 00 46 4 W Prec 1 R121 322 0170 00 576 W Prec 1...

Страница 54: ...hes conf Ckt No Part No Eff Disc Description Wired or Unwired SW60 260 0851 00 Rotary CURRENT DIV SW70 260 0516 00 Push SW141 260 0834 00 Toggle POWER Transformers T1 T3 T140 120 0464 00 120 0501 00 1...

Страница 55: ...sed separately unless otherwise specified PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tektronix instru...

Страница 56: ...includes PROBE ONLY 1 010 0206 00 1 PROBE P6042 STANDARD ACCESSORIES 2 012 0057 01 1 CABLE ASSEMBLY coaxial BNC 50 OHM 3 175 0124 00 1 CABLE ground lead 5 inches 4 175 0263 00 1 CABLE ground lead 3 in...

Страница 57: ...1 204 0293 00 1 BODY probe bottom 2 204 0288 00 1 BODY probe top 3 351 0121 00 1 SLIDE ASSEMBLY 4 214 0835 00 1 SPRING compression 5 214 0849 00 1 RETAINER spring return 6 352 0106 00 1 HOLDER spring...

Страница 58: ...SHER internal 3 8 IDx inch OD NUT hex 3 s 32 x 9 16 inch KNOB grey CURRENT DIV BALANCE knob includes SPRING RESISTOR variable mounting hardware not included w resistor SCREW set 6 32 x inch HSS KNOB c...

Страница 59: ...0025 00 1 SCREW 4 40 x inch 100 csk FHS 211 0110 00 1 SCREW 4 40 x5 inch PHB 41 211 0008 00 2 SCREW 4 40 x inch PHS 42 436 0071 00 1 TRAY HALF probe right mounting hardware not included w tray half 4...

Страница 60: ...cluded w rod SCREW 8 32 x inch RHS GUIDE slide mounting hardware not included w guide SCREW 6 32x5 16 inch 100 csk FHS SCREW 8 32 x inch RHS not shown PIN locating not shown PIN locating mounting hard...

Страница 61: ...for each not included w holder 86 213 0035 00 2 SCREW thread forming 4 40 x y4 inch PHS 87 386 1184 01 1 PANEL rear 88 337 0965 00 1 SHIELD mounting hardware not included w shield 211 0008 00 2 SCREW...

Страница 62: ...csk FHS 11 348 0099 01 1 FLIPSTAND cabinet 12 348 0074 00 1 FOOT bail limiting right front mounting hardware not included w foot 13 211 0532 00 2 SCREW 6 32 x inch Fil HS 348 0074 00 1 FOOT bail limit...

Страница 63: ...inch PHS 210 0007 00 1 LOCKWASHER external 8 211 0510 00 1 SCREW 6 32 x inch PHS 210 0005 00 1 LOCKWASHER external 6 35 351 0116 00 1 SLIDE frame rod 36 358 0293 01 1 BUSHING plug in securing left mou...

Страница 64: ...HE RMAL COUPLER SEE PARTS LIST FOR SEMICONDUCTOR TYPES AMPLIFIER MRH S...

Страница 65: ...P 6 042 CURRENT PROBE DC TO 50MHz...

Страница 66: ...FIG 1 P6042 PROBE PACKAGE STANDARD ACCESSORIES P6042 PROBE...

Страница 67: ...FIG 2 P6042 PROBE MECHANICAL PARTS...

Страница 68: ...FIG 3 AMPLIFIER PO...

Страница 69: ...3 AMPLIFIER POWER SUPPLY P6042 PROBE...

Страница 70: ...FIG 4 CABINET...

Страница 71: ...FIG 4 CABINET P6042 PROBE...

Страница 72: ...P6o42 TEXT CORRECTIONS Section 1 Characteristics Page 1 4 Fig 1 3 CHANGE the caption to read Fig 1 3 P6042 maximum input current vs frequency curve C2 M13O42 1O67 Revised...

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