Fluke 5500A Service Manual Download Page 47

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2-1

Chapter 2

Theory of Operation

Title

Page

2-1.

Introduction........................................................................................... 2-3

2-2.

Encoder Assembly (A2)........................................................................ 2-4

2-3.

Synthesized Impedance Assembly (A5) ............................................... 2-4

2-4.

DDS Assembly (A6) ............................................................................. 2-5

2-5.

Current Assembly (A7)......................................................................... 2-6

2-6.

Voltage Assembly (A8) ........................................................................ 2-7

2-7.

Main CPU Assembly (A9).................................................................... 2-8

2-8.

Power Supplies ..................................................................................... 2-8

2-9.

Outguard Supplies ............................................................................ 2-8

2-10.

Inguard Supplies............................................................................... 2-8

Summary of Contents for 5500A

Page 1: ...0A Multi Product Calibrator Service Manual PN 105798 August 1995 Rev 5 4 03 1995 2003 Fluke Corporation All rights reserved Printed in U S A All product names are trademarks of their respective compan...

Page 2: ...warranty period To obtain warranty service contact your nearest Fluke authorized service center or send the product with a description of the difficulty postage and insurance prepaid FOB Destination...

Page 3: ...1 20 1 15 Power and Dual Output Limit Specifications 1 21 1 16 5500A Phase Specifications 1 21 1 17 Calculating Power Uncertainty 1 23 1 18 Additional Specifications 1 24 1 19 Frequency Specifications...

Page 4: ...t 3 18 3 21 Calibration Shifts Report Printout Format 3 18 3 22 Calibration Shifts Report Spreadsheet Format 3 19 3 23 Calibration Constant Report Printout Format 3 19 3 24 Calibration Constants Repor...

Page 5: ...4 4 15 Complete List of Error Messages 4 14 5 List of Replaceable Parts 5 1 5 1 Introduction 5 3 5 2 How to Obtain Parts 5 3 5 3 How to Contact Fluke 5 3 5 4 Parts Lists 5 4 6 Oscilloscope Calibration...

Page 6: ...1 M 6 29 6 46 Verification at 50 6 29 6 47 AC Voltage Amplitude Verification 6 31 6 48 Verification at 1 M 6 31 6 49 Verification at 50 6 33 6 50 AC Voltage Frequency Verification 6 34 6 51 Edge Ampli...

Page 7: ...nd Verification 6 75 6 100 SC300 Calibration Setup 6 77 6 101 Calibration and Verification of Square Wave Functions 6 78 6 102 Overview of HP3458A Operation 6 78 6 103 Setup for Square Wave Measuremen...

Page 8: ...6 141 Adjusting the Aberrations for the Edge Function 6 113 6 142 Equipment Setup 6 113 6 143 Adjusting the Edge Aberrations 6 113 6 144 SC300 Hardware Adjustments for the A4 Board 6 115 6 145 Equipme...

Page 9: ...Measurement Test 3 24 3 18 AC Voltage Amplitude Accuracy Test NORMAL 3 25 3 19 AC Voltage Amplitude Accuracy Test AUX 3 27 3 20 AC Current Amplitude Accuracy Test 3 28 3 21 Capacitance Accuracy Test 3...

Page 10: ...21 AC Voltage Verification at 1 M 6 32 6 22 AC Voltage Verification at 50 6 33 6 23 AC Voltage Frequency Verification 6 34 6 24 Edge Amplification Verification 6 35 6 25 Edge Frequency Verification 6...

Page 11: ...60 Leveled Sine Wave Harmonics Verification 6 99 6 61 Low Frequency Flatness Verification at 5 5 V 6 102 6 62 High Frequency Flatness Verification at 5 5 V 6 103 6 63 High Frequency Flatness Verificat...

Page 12: ...5500A Service Manual x...

Page 13: ...Panel Assemblies 4 6 5 1 Chassis Assembly 5 6 5 2 Front Panel Assembly 5 9 5 3 Rear Panel Assembly 5 11 5 4 Wiring Diagram 5 12 6 1 SC600 Block Diagram 6 14 6 2 Equipment Setup for SC600 Voltage Squa...

Page 14: ...ainframe to the 5790A AC Measurement Standard 6 100 6 26 Connecting the HP E4418A Power Meter to the HP 8482A or 8481D Power Sensor 6 101 6 27 Connecting the Calibrator Mainframe to the HP Power Meter...

Page 15: ...Specification Summary PF 1 1 20 1 15 Power and Dual Output Limit Specifications 1 21 1 16 5500A Phase Specifications 1 21 1 17 Calculating Power Uncertainty 1 23 1 18 Additional Specifications 1 24 1...

Page 16: ...5500A Service Manual 1 2...

Page 17: ...nt from 0 to 11 0 A Resistance values from a short circuit to 330 M Capacitance values from 330 pF to 1100 F Simulated output for three types of Resistance Temperature Detectors RTDs Simulated output...

Page 18: ...embly has a fault See Chapter 5 for cautions about handling the internal components 1 3 Specifications The following paragraphs detail specifications for the 5500A Calibrator The specifications are va...

Page 19: ...RESET CE SETUP REF NEW TC MEAS F n p W dBm sec C A MULT x DIV OUT TRIG 5500A CALIBRATOR 20V PK MAX HI LO TC TRIG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL AUX SCOPE V RTD A SENSE AUX V...

Page 20: ...the binding posts Good static aware practices should be followed when handling this and other pieces of electronic equipment Line Power Line Voltage selectable 100 V 120 V 220 V 240 V Line Frequency 4...

Page 21: ...Auxiliary Output dual output mode only 2 0 to 329 999 mV 0 03 350 0 04 350 30 100 1 5 mA 0 33 to 3 3 V 0 03 350 0 04 350 30 100 10 5 mA 1 Remote sensing is not provided Output resistance is 5 m for ou...

Page 22: ...compliance Vc is a function of current output Io and is given by the formula Vc 5 05 Io 4 67 The highest compliance voltage is limited to 4 5 V 2 The actual voltage compliance Vc is a function of curr...

Page 23: ...A to 0 06 A 1 Continuously variable from 0 to 330 M 2 Applies for COMP OFF to the 5500A Calibrator front panel NORMAL terminals and 2 wire and 4 wire compensation 3 The floor adder is improved to 0 00...

Page 24: ...to 500 kHz 0 53 330 0 7 330 0 33 to 3 29999 V 10 to 45 Hz 0 11 250 0 15 250 10 V 10 mA 45 Hz to 10 kHz 0 02 60 0 03 60 10 to 20 kHz 0 06 60 0 08 60 20 to 50 kHz 0 10 300 0 14 300 50 to 100 kHz 0 17 17...

Page 25: ...de only 2 10 to 329 999 mV 10 to 20 Hz 0 15 370 0 2 370 1 V 5 mA 20 to 45 Hz 0 08 370 0 1 370 45 Hz to 1 kHz 0 08 370 0 1 370 1 to 5 kHz 0 15 450 0 2 450 5 to 10 kHz 0 3 450 0 4 450 0 33 to 3 29999 V...

Page 26: ...0 15 200 50 to 100 kHz 0 20 200 100 to 500 kHz 0 20 200 3 3 to 32 9999 V 10 to 45 Hz 0 15 2 mV 45 Hz to 10 kHz 0 035 2 10 to 20 kHz 0 08 2 20 to 50 kHz 0 2 2 50 to 100 kHz 0 5 2 33 to 329 999 V 45 Hz...

Page 27: ...5 to 10 kHz 0 45 0 3 0 6 0 3 3 3 to 32 999 mA 10 to 20 Hz 0 15 3 0 2 3 0 1 3 0 V rms 200 H 20 to 45 Hz 0 08 3 0 1 3 10 to 500 Hz 45 Hz to 1 kHz 0 07 3 0 09 3 1 to 5 kHz 0 15 3 0 2 3 1 H 5 to 10 kHz 0...

Page 28: ...output Io and is given by the formula Vc 0 176 Io 3 19 The highest compliance voltage is limited to 2 8 V Ranges Frequency Maximum Distortion and Noise 10 Hz to 100 kHz Bandwidth output A 0 02 to 0 32...

Page 29: ...0 3 10 pF 50 to 1000 Hz 10 kHz 0 33 to 1 0999 F 0 19 1 0 25 1 100 pF 50 to 1000 Hz 5 kHz 1 1 to 3 2999 F 0 26 3 0 35 3 100 pF 50 to 1000 Hz 2 kHz 3 3 to 10 999 F 0 26 10 0 35 10 1 nF 50 to 400 Hz 1 5...

Page 30: ...0 0 38 0 50 250 to 400 0 28 0 35 100 to 25 0 12 0 16 400 to 1000 0 26 0 33 25 to 350 0 10 0 14 1000 to 1767 0 30 0 40 350 to 650 0 12 0 16 S 0 to 250 0 47 0 47 650 to 1000 0 16 0 21 250 to 1000 0 30 0...

Page 31: ...0 09 0 10 400 630 0 10 0 12 630 800 0 21 0 23 Pt 3926 100 200 80 0 04 0 05 80 0 0 05 0 05 0 100 0 07 0 07 100 300 0 08 0 09 300 400 0 09 0 10 400 630 0 10 0 12 Pt 3916 100 200 190 0 25 0 25 190 80 0...

Page 32: ...1 Pt 385 1000 200 80 0 03 0 03 80 0 0 03 0 03 0 100 0 03 0 04 100 260 0 04 0 05 260 300 0 05 0 06 300 400 0 05 0 07 400 600 0 06 0 07 600 630 0 22 0 23 PtNi 385 120 80 0 0 06 0 08 Ni120 0 100 0 07 0 0...

Page 33: ...oltage Range 0 33 to 0 8999 A 0 9 to 2 1999 A 2 2 to 4 4999 A 4 5 to 11 A Absolute Uncertainty tcal 5 C of watts output 90 days 33 mV to 1020 V 0 07 0 05 0 08 0 06 1 year 33 mV to 1020 V 0 08 0 06 0 1...

Page 34: ...Voltage Range 0 33 to 0 8999 A 0 9 to 2 1999 A 2 2 to 4 4999 A 4 5 to 11 A Absolute Uncertainty tcal 5 C of watts output 5500A Calibrator 90 days 33 to 329 999 mV 0 25 0 20 0 25 0 20 330 mV to 1020 V...

Page 35: ...f voltages and currents shown in DC Voltage Specifications DC Current Specifications AC Voltage Sinewaves Specifications and AC Current Sinewave Specifications are available in the power and dual outp...

Page 36: ...12 0 74 30 60 0 866 0 15 0 92 35 55 0 819 0 18 1 11 40 50 0 766 0 22 1 33 45 45 0 707 0 26 1 58 50 40 0 643 0 31 1 88 55 35 0 574 0 37 2 26 60 30 0 500 0 45 2 73 65 25 0 423 0 56 3 38 70 20 0 342 0 7...

Page 37: ...Example 2 Output 100 V 1 A 400 Hz Power Factor 0 5 60 Voltage Uncertainty Uncertainty for 100 V at 400 Hz is 0 04 6 6 mV totaling 100 V x 0004 40 mV added to 6 6 mV 46 6 mV Expressed in percent 46 6 m...

Page 38: ...re based on performing the internal zero cal function at weekly intervals or when the ambient temperature changes by more than 5 C See Chapter 4 Front Panel Operations 1 19 Frequency Specifications Fr...

Page 39: ...ions Another example the phase uncertainty of a 60 Hz fundamental output and a 400 Hz harmonic output is 1 degree 1 The maximum frequency of the harmonic output is 10 kHz For example if the fundamenta...

Page 40: ...0 to 33 mV 0 01 to 10 Hz 5 0 0 5 Two digits e g 25 mV 34 to 330 mV Three digits 0 4 to 3 3 V Two digits 4 to 33 V Two digits 10 to 500 kHz See AC Voltage Sinewaves Specifications 0 3 to 3 3 V 500 kHz...

Page 41: ...86751 To convert p p to rms for truncated sinewave multiply the p p value by 0 2165063 2 Uncertainty is stated in p p Amplitude is verified using an rms responding DMM 3 Uncertainty for truncated sine...

Page 42: ...V 0 1 93 mV Squarewaves 6 6 to 65 999 mV p p 0 to 50 mV 80 mV 0 1 66 V 66 to 659 999 mV p p 0 to 500 mV 800 mV 0 1 660 0 66 to 6 59999 V p p 0 to 5 V 8 V 0 1 6600 6 6 to 65 9999 V p p 0 to 50 V 55 V...

Page 43: ...z 0 8 of period 2 s for frequencies 10 kHz 1 For duty cycles of 10 00 to 90 00 1 25 AC Voltage Trianglewave Characteristics typical Linearity to 1 kHz Aberrations 0 3 of p p value from 10 to 90 point...

Page 44: ...ix digits on each range 1 to 5 kHz 5 0 1 0 2 2 to 11 A 45 to 500 Hz 2 0 0 5 Two digits on each range 500 Hz to 1 kHz 5 0 1 0 Six digits on each range 2 9 to 65 999 mA 0 01 to 10 Hz 5 0 0 5 Two digits...

Page 45: ...e Characteristics typical Range Risetime Settling Time Overshoot I 4 4 A 400 Hz 25 s 40 s to 1 of final value 10 for loads 100 1 29 AC Current Trianglewave Characteristics typical Linearity to 400 Hz...

Page 46: ...5500A Service Manual 1 32...

Page 47: ...n 2 3 2 2 Encoder Assembly A2 2 4 2 3 Synthesized Impedance Assembly A5 2 4 2 4 DDS Assembly A6 2 5 2 5 Current Assembly A7 2 6 2 6 Voltage Assembly A8 2 7 2 7 Main CPU Assembly A9 2 8 2 8 Power Suppl...

Page 48: ...5500A Service Manual 2 2...

Page 49: ...V to 1000 V AC voltage from 1 mV to 1000 V with output from 10 Hz to 500 kHz AC current from 0 01 A to 11 0 A with output from 10 Hz to 10 kHz DC current from 0 to 11 0 A Resistance values from a sho...

Page 50: ...uses discrete resistors and capacitors as references with an amplifier in series Figure 2 2 is a block diagram of the synthesized resistance function Figure 2 3 is a block diagram of the synthesized c...

Page 51: ...for monitoring all functions Self calibration circuitry Zero calibration circuitry Precision voltage channel DAC VDAC Precision current channel DAC IDAC Dual channel DDS Direct Digital Synthesizer In...

Page 52: ...A12 assembly provides the high current power supplies The Current assembly A7 contains the following blocks A floating supply Several stages of transconductance amplifier Current sensing shunts and sh...

Page 53: ...block diagram of the voltage function and shows the signal paths for dc and ac voltage outputs The DAC shown in the figure is VDAC which resides on the DDS assembly Note that the voltage amplifier for...

Page 54: ...supplies 12VG 12VG and 5VG All the transformer connections for the outguard supplies come through one bundle of wires connected to the motherboard with P1 A row of test points is provided in front of...

Page 55: ...15 3 19 Remote Commands for 5500A Calibration 3 16 3 20 Generating a Calibration Report 3 18 3 21 Calibration Shifts Report Printout Format 3 18 3 22 Calibration Shifts Report Spreadsheet Format 3 19...

Page 56: ...racy High Voltage 3 33 3 42 AC Power Amplitude Accuracy High Current 3 33 3 43 AC Power Amplitude Accuracy High Power 3 34 3 44 Phase and Frequency Accuracy 3 34 3 45 AC Voltage Amplitude Accuracy Squ...

Page 57: ...traceable measuring instruments of higher accuracy 2 You enter the measured results either manually through the front panel keyboard or remotely with an external terminal or computer 3 The 5500A comp...

Page 58: ...sures compatibility w A40 shunts AC Shunts Fluke A40 10 mA 30 mA 300 mA 3 A and A40A 10 ACI Interconnect cable for A40A Fluke A45 4004 Cable adapter for A40A Precision metal film resistors 1 k 1 100 p...

Page 59: ...able 3 2 when prompted to do so Table 3 2 DC Volts Calibration Steps Step 5500A Output NORMAL 1 3 00 V 2 3 00 V 3 300 mV 4 3 00 V 5 30 V 6 300 V 7 1000 V 3 7 AC Volts Measure the 5500A output using a...

Page 60: ...X STBY 5500 A Dewar Flask and Cap Mineral Oil Lag Bath J type Thermocouple Mercury Thermometer om008f eps Figure 3 1 Connections for Calibrating TC Measure 1 Apply a copper short to the TC terminals A...

Page 61: ...SCOPE BOOST MENU PREV SHIFT RESET CE SETUP REF NEW TC MEAS F n p W dBm sec C A MULT x DIV OUT TRIG 5500A CALIBRATOR 20V PK MAX HI LO TC TRIG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL A...

Page 62: ...Hz A40 10mA 4 3 mA 10 kHz A40 10mA 5 300 A 100 Hz 1 k Metal Film 6 300 A 5 kHz 1 k Metal Film 7 300 A 10 kHz 1 k Metal Film 8 30 mA 100 Hz A40 30mA 9 30 mA 5 kHz A40 30mA 10 30 mA 10 kHz A40 30mA 11 3...

Page 63: ...asure the resistance output Figure 3 3 shows the four wire connections Enter into the 5500A the measured values of each step listed in Table 3 8 when prompted to do so POWER I O 0 1 2 3 4 5 6 7 8 9 EN...

Page 64: ...1 Make a four wire measurement 2 10 3 11 4 32 5 35 6 100 7 110 8 320 9 0 35 k 10 1 k 11 1 1 k 12 3 2 k 13 3 5 k 14 10 k 15 11 k 16 32 k 17 35 k 18 100 k 19 110 k Make a two wire measurement 20 320 k...

Page 65: ...r the calculated actual resistance RUUT into the HP 3458A In the equation R3458 is the reading of the HP 3458A R742 is the printed value of the 742A 10M and RUUT is the actual 5500A output POWER I O 0...

Page 66: ...when prompted to do so Note Make sure there are no other connections to the 5500A especially the SCOPE BNC Connecting any additional grounds to the 5500A can cause erroneous capacitance outputs POWER...

Page 67: ...ended Stimulus 1 330 F 2 V rms at 1 kHz 2 499 F 3 0 5 F 4 1 00 F 5 1 10 F 6 3 2 F 7 3 5 F 8 10 F 9 11 F 10 32 F 11 35 F 12 100 F 13 110 F 14 320 F 1 V rms at 1 kHz 15 0 35 F 1 V rms at 100 Hz 16 1 F 1...

Page 68: ...ET CE SETUP REF NEW TC MEAS F n p W dBm sec C A MULT x DIV OUT TRIG 5500A CALIBRATOR 20V PK MAX HI LO TC TRIG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL AUX SCOPE V RTD A SENSE AUX V 20...

Page 69: ...IG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL AUX SCOPE V RTD A SENSE AUX V 200V PK MAX STBY 5500A Clark Hess Phase Meter NORMAL Output Terminals AUX Output Terminals Reference Terminal...

Page 70: ...O TC 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL AUX V RTD A SENSE AUX V om015f eps Figure 3 8 Volts and Current Phase Calibration Table 3 11 Volts and Current Phase Calibration Steps Refere...

Page 71: ...ase IPHASE For example to jump directly to AC Volts calibration send the command CAL_START MAIN AV To go directly to Resistance calibration send the command CAL_START MAIN R To go directly to Phase ca...

Page 72: ...ts The 90 day specification is shown in these examples because a 90 day interval was selected in the REPORT SETUP menu 3 21 Calibration Shifts Report Printout Format FLUKE CORPORATION 5500A OUTPUT SHI...

Page 73: ...40MV_F8 1 2800001E 01 1 2800001E 01 1 2800001E 01 1 2800001E 01 SL40MV_F9 1 5000001E 01 1 5000001E 01 1 5000001E 01 1 5000001E 01 SL40MV_FA 2 0000000E 01 2 0000000E 01 2 0000000E 01 2 0000000E 01 SL40...

Page 74: ...by completing Zeroing the Calibrator as described next The performance tests have reserved columns for recording the Measured Value and Deviation 3 26 Zeroing the Calibrator Zeroing recalibrates inte...

Page 75: ...0 00 mV 50 V 30 V 32 9 V 0 0042 30 V 32 9 V 0 0042 300 V 50 V 0 0055 300 V 329 V 0 0047 300 V 50 V 0 0055 300 V 329 V 0 0047 1000 V 334 V 0 0049 1000 V 900 V 0 0047 1000 V 334 V 0 0049 1000 V 900 V 0...

Page 76: ...Test Range Nominal Value Measured Value A AUX Deviation 90 Day Spec or mA 3 3 mA 0 mA 0 00005 mA 3 3 mA 0 19 mA 0 036 3 3 mA 0 19 mA 0 036 3 3 mA 1 9 mA 0 013 3 3 mA 1 9 mA 0 013 3 3 mA 3 29 mA 0 012...

Page 77: ...0 k use the four wire COMP option For resistances of 110 k or higher the COMP option is automatically turned off Table 3 16 shows the test points Table 3 16 Resistance Accuracy Test Nominal Value Meas...

Page 78: ...9 66667 M Figure 3 4 shows the connections and the equation you use to calculate actual resistance 3 31 Resistance DC Offset Measurement The Resistance DC Offset Measurement test checks the dc offset...

Page 79: ...Measured Value V NORMAL Deviation 90 Day Spec 30 mV 9 5 Hz 5 550 30 mV 10 Hz 0 327 30 mV 45 Hz 0 177 30 mV 1 kHz 0 177 30 mV 10 kHz 0 177 30 mV 20 kHz 0 217 30 mV 50 kHz 0 257 30 mV 100 kHz 0 370 30 m...

Page 80: ...L Deviation 90 Day Spec 30 V 9 5 Hz 5 550 30 V 10 Hz 0 118 30 V 45 Hz 0 032 30 V 1 kHz 0 032 30 V 10 kHz 0 032 30 V 20 kHz 0 069 30 V 50 kHz 0 157 30 V 90 kHz 0 227 300 V 45 Hz 0 042 300 V 1 kHz 0 042...

Page 81: ...Test AUX Nominal Value NORMAL Nominal Value AUX Frequency Measured Value V AUX Deviation 90 Day Spec 300 mV 10 mV 45 Hz 3 780 300 mV 10 mV 1 kHz 3 780 300 mV 10 mV 5 kHz 4 650 300 mV 10 mV 10 kHz 4 80...

Page 82: ...3 20 shows the test points Table 3 20 AC Current Amplitude Accuracy Test Nominal Value Frequency Measured Value A AUX Deviation 90 Day Spec 33 A 1 kHz 0 848 33 A 10 kHz 1 395 190 A 45 Hz 0 169 190 A...

Page 83: ...500 Hz 0 171 2 2 A 1 kHz 0 471 11 A 45 Hz 0 068 11 A 500 Hz 0 098 11 A 1 kHz 0 268 3 35 Capacitance Accuracy The Capacitance Accuracy test verifies the accuracy of the synthesized capacitance output...

Page 84: ...1 2 F 1 kHz 1 22 3 F 1 kHz 0 71 3 3 F 1 kHz 0 68 10 9 F 1 kHz 0 47 12 F 1 kHz 1 03 30 F 1 kHz 0 52 33 F 1 kHz 0 49 109 F 1 kHz 0 28 120 F 1 kHz 0 44 300 F 1 kHz 0 29 330 F 100 Hz 0 49 1 09 F 100 Hz 0...

Page 85: ...ype Use all copper wires for these connections The Fluke 5500A Leads test lead kit contains a copper TC plug and wire for this purpose Table 3 23 shows the test points Table 3 23 Thermocouple Sourcing...

Page 86: ...urrent Table 3 25 shows the test points Table 3 25 DC Power Amplitude Accuracy Test NORMAL Nominal Value NORMAL Nominal Value A AUX Measured Value V NORMAL Deviation 90 Day Spec 20 mV 2 19 A 0 020 20...

Page 87: ...90 0 161 1000 V 33 mA 500 Hz 0 0 161 1000 V 33 mA 500 Hz 90 0 161 1000 V 33 mA 1 kHz 0 0 161 1000 V 33 mA 5 kHz 0 0 241 1000 V 33 mA 7 kHz 10 kHz optional 0 0 541 Optional 800 V 33 mA 10 kHz 0 541 3 4...

Page 88: ...cy of the phase between signals at the NORMAL output and the AUX inputs and the accuracy of the frequency For the volts volts phase test ac couple the input to the phase meter as shown in Figure 3 7 F...

Page 89: ...0 2 3 V 1 V 5 kHz 90 6 3 V 1 V 10 kHz 90 10 Output Voltage NORMAL Output Current AUX Frequency Nominal Phase degrees Measured Value degrees Deviation 1 Year Spec degrees 33 V 300 mA 65 Hz 0 0 15 33 V...

Page 90: ...be exactly 1 2 the nominal value in peak to peak Table 3 32 shows the test points Table 3 32 AC Voltage Amplitude Accuracy Squarewave NORMAL Nominal Value p p Frequency Measured Value V rms NORMAL Dev...

Page 91: ...ating instructions and connections For squarewaves the measured value in rms should be exactly 1 2 the nominal value in peak to peak Table 3 33 shows the test points Table 3 33 AC Voltage Amplitude Ac...

Page 92: ...300 mV 20 Hz 50th 1 kHz 0 243 30 mV 300 mV 100 Hz 50th 5 kHz 0 243 30 mV 300 mV 200 Hz 50th 10 kHz 0 243 300 mV 300 mV 20 Hz 50th 1 kHz 0 053 300 mV 300 mV 100 Hz 50th 5 kHz 0 053 300 mV 300 mV 200 Hz...

Page 93: ...20 Hz 0 305 100 mV 329 mV 5 kHz 100 Hz 0 424 100 mV 329 mV 10 kHz 200 Hz 0 574 100 mV 3 29 V 1 kHz 20 Hz 0 097 100 mV 3 29 V 5 kHz 100 Hz 0 235 100 mV 3 29 V 10 kHz 200 Hz 0 385 3 49 DC Voltage Offse...

Page 94: ...he presence of a dc offset For this test be sure to ac couple the input to the meter Table 3 37 shows the test points Table 3 37 AC Voltage Accuracy with a DC Offset Nominal ACV Value Nominal DC Value...

Page 95: ...handling them 3 Using the procedures packaging and bench techniques that are recommended The following practices should be followed to minimize damage to S S static sensitive devices 1 MINIMIZE HANDL...

Page 96: ...E EDGES AND NEVER TOUCH OPEN EDGE CONNECTOR EXCEPT AT STATIC FREE WORK STATION PLACING SHORTING STRIPS ON EDGE CONNECTOR HELPS PROTECT INSTALLED S S DEVICES 9 HANDLE S S DEVICES ONLY AT A STATIC FREE...

Page 97: ...4 6 Removing the Filter PCA A12 4 4 4 7 Removing the Encoder A2 and Display PCAs 4 4 4 8 Removing the Keyboard and Accessing the Output Block 4 4 4 9 Diagnostic Testing 4 7 4 10 Running Diagnostics 4...

Page 98: ...5500A Service Manual 4 2...

Page 99: ...from the guard box cover The locations of the analog modules are printed on the guard box cover 4 Lift off the guard box cover using the finger pull on the rear edge of the cover 5 On the desired ana...

Page 100: ...the analog modules 3 Remove the five Phillips screws from the front side of the rear guard box wall 4 Lift out the Filter PCA 4 7 Removing the Encoder A2 and Display PCAs Proceed as follows to remove...

Page 101: ...Maintenance Access Procedures 4 4 5 om016f eps Figure 4 1 Exploded View of Rear Panel Assemblies...

Page 102: ...5500A Service Manual 4 6 om017f eps Figure 4 2 Exploded View of Front Panel Assemblies...

Page 103: ...ed by UTILITY FUNCTNS SELF TEST and DIAG The menu presents the following choices OPTIONS and GO ON Press GO ON to start diagnostics The 5500A prompts you to remove all cables from the front panel outp...

Page 104: ...tested in previous test near 0 V This test exposes failures at full scale negative 1015 DDE FR A8 33V DC fault Suspect components on the A8 assembly include U1 Q1 through Q4 Q6 Q16 Q17 R10 R13 and R17...

Page 105: ...U17 U4 U25 U42 R3 R45 R51 R50 R22 and C133 on the A6 assembly 1028 DDE FR A6 trim DAC 0 33V fault Suspects include U17 U4 U25 U42 R3 R45 R51 R50 R22 and C133 on the A6 assembly 1029 DDE FR A6 trim DAC...

Page 106: ...relay K16 and respective relay driver U30 1046 DDE FR A5 X2 45 input amp fault Suspect ICs on the A5 assembly include U20 Q3 Q4 and noninverting amp U34 in X2 45 gain mode as well as U3 and U10 1047...

Page 107: ...stor network Z2 1058 DDE FR A5 10 kohm reference fault Suspect components on the A5 assembly are relay driver IC U2 and resistor network Z2 1059 DDE FR A5 33 kohm reference fault Suspect components on...

Page 108: ...A7 Undercurrent fault 3 3 mA Suspects include U19 U21 and the A97 SIP assembly on the A7 assembly 1073 DDE FR A7 Overcurrent fault 3 3 mA Suspects include U19 U21 and the A97 SIP assembly on the A7 as...

Page 109: ...on the A7 assembly 1088 DDE FR A7 Aux amp fault Suspects include R6 R7 R44 R46 and U8 on the A7 assembly 1089 DDE FR A7 Monitor fault DC Suspects include R18 R38 R43 R48 R52 R57 C67 CR11 and U22 on th...

Page 110: ...rmat Error Number Message Class Description Text characters 0 to 65535 QYE Query Error caused by a full input buffer unterminated action or interrupted action F Error is displayed on the front panel a...

Page 111: ...00V supply too small 221 DDE FR D 5725A 400V supply overI 222 DDE FRS Output tripped to standby 223 DDE FR D 5725A 400V supply overI 224 DDE FRS Output tripped to standby 225 DDE FR D 5725A fan not wo...

Page 112: ...range 514 DDE Can t switch edit field now 515 DDE Not editing output now 516 DDE dBm works only for sine ACV 517 DDE Freq too high for non sine 518 DDE Value outside locked range 519 DDE Must specify...

Page 113: ...nguard bus r w diag fail 1003 DDE FR A6 A D comm fault 1004 DDE FR A6 A D or DAC fault 1005 DDE FR A6 DAC fine channel fault 1006 1091 See Diagnostic Error Messages 1200 DDE FR Sequence name too long...

Page 114: ...ile error pending 1500 DDE FRS Compliance voltage exceeded 1501 DDE FRS Shunt amp over or underload 1502 DDE FRS Heat sink too hot 1503 DDE FRS Output current lim exceeded 1504 DDE FRS Input V or A li...

Page 115: ...5 1 Chapter 5 List of Replaceable Parts Title Page 5 1 Introduction 5 3 5 2 How to Obtain Parts 5 3 5 3 How to Contact Fluke 5 3 5 4 Parts Lists 5 4...

Page 116: ...5500A Service Manual 5 2...

Page 117: ...manufacturer by using the manufacturers part number or from the Fluke Corporation and its authorized representatives by using the part number under the heading FLUKE STOCK NO To order components dire...

Page 118: ...eplaceable parts for the 5500A Multi Product Calibrator Parts are listed by assembly alphabetized by reference designator Each assembly is accompanied by an illustration showing the location of each p...

Page 119: ...05 12 H13 SCREW FHU P LOCK SS 6 32 250 320093 20 H58 SCREW PH P LOCK SS 6 32 500 320051 12 H70 SCREW PH P LOCK STL 6 32 250 152140 38 MP1 ASSEMBLY CHASSIS RIVETED 945175 1 MP2 COVER INSTRUMENT TOP 937...

Page 120: ...5500A Service Manual 5 6 MP3 MP14 4X MP26 MP2 H13 X16 5500A Final Assembly 5 of 6 om018f eps Figure 5 1 Chassis Assembly...

Page 121: ...Voltage PCA A7 Current PCA A6 DDS PCA A5 Synthesizer Impedance PCA 12X MP4 MP25 H70 8X A3 H70 3X MP6 2X MP8 2X MP24 MP1 A12 Filter PCA MP10 H13 4X A4 Scope Option Slot H58 12X H1 Motherboad PCA 5500A...

Page 122: ...MP1 FRONT PANEL MODIFIED 937284 1 MP2 PANEL FRONT 883160 1 MP3 HANDLE INSTRUMENT GRAY 7 886333 2 MP4 GROMMET EXTRUDED POLYETHYLENE 085 854351 1 MP5 BEZEL FRONT PANEL 945238 1 MP6 OUTPUT BLOCK 945266 1...

Page 123: ...H1 6X MP2 H19 H19 2X MP13 H1 4X H34 2X H1 4X MP3 2X H15 4X MP23 J1 J2 MP20 H42 4X H38 4X MP1 MP22 MP19 MP18 MP21 9X H1 MP6 MP9 MP5 MP12 MP8 MP11 A1 Keyboard PCA TC Connector PCA Encoder PCA S7 A10 TC...

Page 124: ...2 H16 CONN ACC MICRO RIBBON SCREW LOCK 854737 2 H18 SCREW CAP SCKT STL LOCK 6 32 750 944772 4 H22 SCREW HHI H SS 10 32 3 25 944459 4 H26 NUT HEX ELASTIC STOP STL 10 32 375 944350 4 H40 SCREW FHU P SS...

Page 125: ...ts Lists 5 5 11 MP19 H13 H16 H49 2X T1 H2 H1 MP1 FL1 E1 H40 H26 W20 H51 H18 A9 H6 H3 MP6 H45 H22 MP3 H9 MP4 MP8 4X 4X 4X FL10 FL9 E2 2X MP23 4X 2X 4X 4X MP17 MP18 CPU PCA 5500A A65 3 of 6 om021f eps F...

Page 126: ...MP27 W22 MP22 MP20 MP20 2X THE CONNECTIONS SHOWN ON THE TERMINAL STRIP ARE OPTIONAL AND ACTUAL CONFIGURATIONS MAY VARY FROM THAT SHOWN 63 SEE TABLE 5 3 SEE TABLE 5 1 63 62 MP27 5500A Wiring Diagram 6...

Page 127: ...6 1 Chapter 6 Oscilloscope Calibration Options Option 5500A SC600 see page 6 3 Option 5500A SC300 see page 6 65...

Page 128: ...5500A Service Manual 6 2...

Page 129: ...Specifications 6 11 6 16 Oscilloscope Input Capacitance Measurement Specifications 6 11 6 17 Overload Measurement Specifications 6 12 6 18 Theory of Operation 6 12 6 19 Voltage Mode 6 12 6 20 Edge Mod...

Page 130: ...fication 6 40 6 58 Leveled Sine Wave Frequency Verification 6 41 6 59 Leveled Sine Wave Harmonics Verification 6 42 6 60 Leveled Sine Wave Flatness Verification 6 44 6 61 Equipment Setup for Low Frequ...

Page 131: ...to provide you with the ability to calibrate and verify the SC600 at your own site if necessary You should review all of the procedures in advance to make sure you have the resources to complete them...

Page 132: ...dc Signal Square Wave Signal 1 50 Load 1 M Load 50 Load 1 M Load Amplitude Characteristics Range 0 V to 6 6 V 0 V to 130 V 1 mV to 6 6 V p p 1 mV to 130 V p p Resolution Range 1 mV to 24 999 mV 25 mV...

Page 133: ...100 mV 200 mV 250 mV 300 mV 500 mV 600 mV 1 V 2 5 V Frequency Range 1 1 kHz to 10 MHz 2 5 ppm of setting Typical Jitter edge to trigger 5 ps p p Leading Edge Aberrations 2 within 2 ns from 50 of risi...

Page 134: ...digits Adjustment Range continuously adjustable 1 Year Absolute Uncertainty tcal 5 C 2 of output 300 V 3 5 of output 300 V 4 of output 300 V 6 of output 300 V Flatness relative to 50 kHz not applicab...

Page 135: ...olution 4 digits 1 t is time in seconds Examples At 5 s the uncertainty is 5 025 ppm At 50 ms the uncertainty is 75 ppm 2 Typical rise time of square wave and 20 pulse 20 duty cycle pulse is 1 5 ns 3...

Page 136: ...ardinal Points tcal 5 C 2 5 ppm 1 Pulse width not to exceed 40 of period 2 Pulse width uncertainties for periods below 2 s are not specified 6 10 Trigger Signal Specifications Pulse Function Table 6 7...

Page 137: ...e Parameters Field Formats Selectable NTSC SECAM PAL PAL M Polarity Selectable inverted or uninverted video Amplitude into 50 p p Adjustable 0 to 1 5 V p p into 50 ohm load 7 accuracy Line Marker Sele...

Page 138: ...ll dc and ac oscilloscope output voltages are derived from this signal and generated on the A51 board The output of the A51 board is passed to the A50 Signal board also attached to the A50 board and a...

Page 139: ...signal to the marker circuits on the A50 board where the signal is shaped into the other marker waveforms The marker signals are passed from the A50 board to the attenuator assembly and on to the SCOP...

Page 140: ...C600 Option Trigger 1 10 100 1000 LF PWB HF PWB A6 DDS External Clock In Time Mark II Time Mark III LF Mux HF Mux HF Mux Oscilloscope Calibrator Trigger BNC SCOPE Output BNC pp detect Step Attenuator...

Page 141: ...and AC Voltage Verification BNC Cable supplied with SC600 Edge Rise Time and Aberrations Verification High Frequency Digital Storage Oscilloscope Tektronix 11801 with Tektronix SD 22 26 sampling head...

Page 142: ...5 V p p Standard with 03 option Frequency 50 kHz to 10 MHz Adapter Pomona 3288 BNC f to Type N m BNC Cable supplied with SC600 Leveled Sine Wave Harmonics Verification Spectrum Analyzer HP 8590A Adap...

Page 143: ...d with SC600 Wave Generator Verification AC Measurement Fluke 5790A Range 1 8 mV p p to 55 V p p Standard Frequency 10 Hz to 100 kHz Adapter Pomona 1269 BNC f to Double Banana Termination Feedthrough...

Page 144: ...Voltage function If another function is to be calibrated alternately press the OPTIONS and NEXT SECTION blue softkeys until the desired function is reached 6 29 Calibration and Verification of Square...

Page 145: ...topline measurements at 1 kHz you would set the DMM to NPLC 01 DELAY 0007 TRIG EXT To find the average of multiple readings you can program one of the keys to MATH OFF MATH STAT and then use the RMAT...

Page 146: ...00A CALIBRATOR 20V PK MAX HI LO TC TRIG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL AUX SCOPE V RTD A SENSE AUX V 200V PK MAX HP 3458A 5500A SC600 SC600 Cable 50 Feedthrough Termination...

Page 147: ...o activate the output Allow the HP 3458A DC voltage reading to stabilize Enter the reading via the Calibrator Mainframe front panel keypad then press ENTER Note The Calibrator Mainframe will warn when...

Page 148: ...he wave form i e baseline Manually range lock the HP 3458A to the range that gives the most resolution for the topline measurements Use this same range for the corresponding baseline measurements at e...

Page 149: ...ollow these steps to calibrate Leveled Sine Wave amplitude 1 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 50 feedthrough terminatio...

Page 150: ...lative to 10 MHz Leveled Sine Wave flatness is calibrated at multiple amplitudes Both low and high frequency bands are calibrated at each amplitude Calibration begins with the low frequency band then...

Page 151: ...ding matches the 10 MHz reference within 0 1 6 Repeat steps 1 to 5 until the Calibrator Mainframe display indicates that either the reference frequency is now 50 kHz or that the next steps calibrate p...

Page 152: ...oving closer and closer to the displayed pulse width until the value is accepted Complete the pulse width calibration procedure The pulse width calibration procedure must now be repeated until all ent...

Page 153: ...librator Mainframe will warn when the entered value is out of bounds If this warning occurs recheck the setup and carefully re enter the actual resistance insuring proper multiplier i e m u n p If the...

Page 154: ...has had sufficient time to warm up prior to its use Refer to each equipment s operating manual for details Before you begin verification you may wish to review all of the procedures in advance to ens...

Page 155: ...r Mainframe to output the voltage listed in Table 6 19 Press O on the Calibrator Mainframe to activate the output 3 Allow the HP 3458A reading to stabilize then record the HP 3458A reading for each vo...

Page 156: ...5 mV 4 875E 05 V 24 9 mV 5 245E 05 V 24 9 mV 5 245E 05 V 25 0 mV 0 0000525 V 25 0 mV 0 0000525 V 67 5 mV 7 375E 05 V 67 5 mV 7 375E 05 V 109 9 mV 9 495E 05 V 109 9 mV 9 495E 05 V 110 mV 0 000095 V 110...

Page 157: ...ination BNC cable supplied with the SC600 BNC cable to connect the Calibrator Mainframe TRIG OUT to the HP 3458A Ext Trig For AC voltage amplitude verification refer to Figure 6 2 for the proper setup...

Page 158: ...d in Table 6 21 The peak to peak value is the difference between the topline and baseline measurements Compare the result to the tolerance column 5 When making measurements at the other frequencies se...

Page 159: ...measurements at each step See Table 6 22 2 Enable the Calibrator Mainframe external trigger by toggling the blue softkey under TRIG to 1 3 Measure the topline first as indicated in Table 6 22 For eac...

Page 160: ...me to activate the output Then follow these steps to verify AC Voltage frequency 1 Set the PM 6680 s FUNCTION to measure frequency on channel A with auto trigger measurement time set to 1 second or lo...

Page 161: ...very near 0 V and the baseline is a negative voltage See Table 6 24 3 For each calibration step take samples for at least two seconds using the HP 3458A MATH functions to enter the average or mean va...

Page 162: ...Frequency Tolerance 1 kHz 0 0025 Hz 10 kHz 0 025 Hz 100 kHz 0 25 Hz 1 MHz 2 5 Hz 10 MHz 25 Hz 6 53 Edge Duty Cycle Verification This procedure uses the following equipment PM 6680 Frequency Counter BN...

Page 163: ...mm m Adapter 3 dB Attenaator 3 5 mm m f Tek 11801 With 5D26 Sampling Head 5500A SC600 SC600 Cable om058f eps Figure 6 7 Edge Rise Time Verification Setup The Calibrator Mainframe should be in SCOPE mo...

Page 164: ...DSO Vertical Axis A B Voltage Frequency mV div 11801 Reading Corrected Reading Tolerance 250 mV 1 MHz 20 0 300 ps 250 mV 10 MHz 20 0 350 ps 500 mV 1 MHz 50 0 300 ps 500 mV 10 MHz 50 0 350 ps 1 V 1 MH...

Page 165: ...ble supplied with the SC600 Set the Calibrator Mainframe in Scope Cal mode Edge Proceed with the following steps 1 Connect the Calibrator Mainframe s SCOPE connector to the HP 3458A input using the BN...

Page 166: ...to FAST restart fine and Hi Res on 3 Program the Calibrator Mainframe to output the voltage listed in Table 6 29 4 Allow the 5790A reading to stabilize then record the 5790A s rms reading for each vo...

Page 167: ...me set to 1 second or longer and 50 impedance 2 Using the BNC cable connect the SCOPE connector on the Calibrator Mainframe to the PM 6680 at the channel indicated in Table 6 30 You will need the BNC...

Page 168: ...the display Then follow these steps to verify the leveled sine wave harmonics 1 Using the BNC cable and BNC f to Type N m adapter connect the SCOPE connector on the Calibrator Mainframe to the HP 859...

Page 169: ...00 kHz 2 33 dB 400 kHz 3 4 5 38 dB 800 kHz 2 33 dB 800 kHz 3 4 5 38 dB 1 MHz 2 33 dB 1 MHz 3 4 5 38 dB 2 MHz 2 33 dB 2 MHz 3 4 5 38 dB 4 MHz 2 33 dB 4 MHz 3 4 5 38 dB 8 MHz 2 33 dB 8 MHz 3 4 5 38 dB 1...

Page 170: ...NT STANDARD 1000V RMS MAX 1000V RMS MAX 3V RMS MAX INPUT 1 INPUT 2 SHUNT HI LO GUARD GROUND SHELL FLOATING 10V PEAK MAX WIDEBAND 7V RMS MAX MAX 10V PK SHELL FLOATING INPUT1 SHUNT INPUT1 INPUT1 INPUT1...

Page 171: ...rate the power meter with the power sensor being used Refer to the Hewlett Packard E4418A operators manual for details PRESET RESOLN 3 AUTO FILTER WATTS SENSOR TABLE 0 default om035f eps Figure 6 11 C...

Page 172: ...nd B 7 When you have completed Columns A and B press Y to remove the Calibrator Mainframe s output Complete Table 6 32 by performing the calculations for column C Compare Column C to the specification...

Page 173: ...Columns A and B press Y to remove the Calibrator Mainframe s output Complete Table 6 33 by performing the calculations for each column Compare Column E to the specifications listed in the final column...

Page 174: ...ntry E Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 35 High Frequency Flatness Verification at 25 mV Calibrator Mainframe Freq MHz...

Page 175: ...entry E Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 37 High Frequency Flatness Verification at 250 mV Calibrator Mainframe Freq...

Page 176: ...ntry E Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 39 High Frequency Flatness Verification at 3 4 V Calibrator Mainframe Freq MHz...

Page 177: ...nector on the Calibrator Mainframe to the PM 6680 at the channel indicated in Table 6 40 You will need the BNC N adapter for the connection to Channel C 3 Set the filter on the PM 6680 as indicated in...

Page 178: ...Mainframe to SCOPE mode with the Wavegen menu on the display Press O on the Calibrator Mainframe to activate the output Set the offset to 0 mV and the frequency to 1 kHz Then follow these steps to ver...

Page 179: ...ion then to the 5790A INPUT 2 using the BNC f to Double Banana adapter 2 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on 3 Program the Calibrator Mainframe to output...

Page 180: ...667 V square 220 mV 2 0000 0 0067 V square 560 mV 2 0000 0 0169 V square 899 mV 2 0000 0 02707 V square 0 90 V 2 0000 0 0271 V square 3 75 V 2 0000 0 1126 V square 6 59 V 2 0000 0 1978 V square 6 6 V...

Page 181: ...2 0000 0 00337 V square 110 mV 2 0000 0 0034 V square 280 mV 2 0000 0 0085 V square 449 mV 2 0000 0 01357 V square 450 mV 2 0000 0 0136 V square 780 mV 2 0000 0 0235 V square 1 09 V 2 0000 0 0328 V sq...

Page 182: ...Edge menu on the display Press O on the Calibrator Mainframe to activate the output Press the softkey under TRIG to select the TRIG 1 External Trigger output Set the DSO to these parameters Digital St...

Page 183: ...ble 6 44 Pulse Period Verification Calibrator Mainframe Output PM 6680 Reading Width Period Period Tolerance 80 ns 200 ns 5E 13 s 500 ns 10 ms 2 5E 08 s 500 ns 20 ms 5 0E 08 s 6 71 MeasZ Resistance Ve...

Page 184: ...ction to a BNC f to enable a connection to the end of the BNC cable supplied with the SC600 Due to the small capacitance values care must be taken to know the actual capacitance at this BNC f connecto...

Page 185: ...Value Calibrator Mainframe Capacitance Reading Actual Capacitance Value Tolerance 5 pF 0 75 pF 29 pF 1 95 pF 49 pF 2 95 pF 6 73 Overload Function Verification This procedure uses the following equipm...

Page 186: ...to STBY 6 74 SC600 Hardware Adjustments Hardware adjustments must be made to the leveled sine and edge functions each time the SC600 is repaired In addition to the adjustment procedures this section...

Page 187: ...ance for the leveled sine wave function 1 Program the Calibrator Mainframe for an output of 5 5 V 600 MHz 2 Set the Spectrum Analyzer to the parameters listed below Spectrum Analyzer Setup Start Frequ...

Page 188: ...should show the fundamental and second and third harmonics The harmonics need to be adjusted so that the second harmonic is at 40 dBc and third harmonic should typically be at 50 dBc as shown in Figu...

Page 189: ...level Set the oscilloscope to look at the first 10 ns of the edge signal with the rising edge at the left edge of the oscilloscope display 6 82 Adjusting the Edge Aberrations Refer to Figure 6 17 whi...

Page 190: ...he oscilloscope vertical to 5 mV div Check the aberrations 12 Check for rise time 300 ps at 250 mV 1 V and 2 5 V outputs R36 R12 R13 R35 T 1st Aberration 2nd Aberration 3rd Aberration om050f eps Figur...

Page 191: ...6 98 Wave Generator Mode 6 73 6 99 Equipment Required for Calibration and Verification 6 75 6 100 SC300 Calibration Setup 6 77 6 101 Calibration and Verification of Square Wave Functions 6 78 6 102 Ov...

Page 192: ...erification at 50 6 109 6 136 SC300 Hardware Adjustments 6 111 6 137 Equipment Required 6 112 6 138 Adjusting the Leveled Sine Wave Function 6 112 6 139 Equipment Setup 6 112 6 140 Adjusting the Level...

Page 193: ...o provide you with the ability to calibrate and verify the SC300 at your own site if necessary You should review all of the procedures in advance to make sure you have the resources to complete them I...

Page 194: ...from leading edge 2 of output 100 V 1 The square wave signal into 1 M is a positive square wave from 1 8 mV to 55 V p p From 95 V to 105 V its output is a square wave like signal that alternates betw...

Page 195: ...0 V Resolution 4 digits Adjustment Range 10 around each sequence value indicated below Sequence 5 mV 10 mV 25 mV 50 mV 100 mV 250 mV 500 mV 1 V 2 5 V Other Edge Characteristics Frequency Range 1 kHz t...

Page 196: ...100 V 2 0 of output 100 V Short term Stability 1 2 Frequency Characteristics Resolution 10 Hz 10 kHz 3 10 kHz 1 Year Absolute Uncertainty tcal 5 C 25 ppm 15 mHz 25 ppm 4 25 ppm Distortion Characteris...

Page 197: ...amples At 5 s the uncertainty is 5 025 ppm At 50 s the uncertainty is 25 75 ppm 2 The 2 ns time marker is typically 0 5 V p p 3 Away from the cardinal points add 50 ppm to uncertainty 6 90 Wave Genera...

Page 198: ...unction are generated from the A6 board and are passed to the A50 board via the SCOPE_HV signal line The generated signal ac or dc is then passed from the A50 board to the A90 attenuator assembly wher...

Page 199: ...spike and square wave markers From 50 ns to 20 ns only spike or square waves are produced At 10 ns the user can chose between the square wave or the leveled sine signal The marker signal is passed fro...

Page 200: ...igger 1 10 100 1000 LF PWB HF PWB DDS Time Mark II Time Mark III LF Mux HF Mux HF Mux Oscilloscope Calibrator Trigger BNC SCOPE Output BNC pp detect 8dB 20dB 20dB Step Attenuator Module Leveled Sine W...

Page 201: ...Voltage Verification BNC Cable supplied with SC300 Edge Rise Time and Aberrations Verification High Frequency Digital Storage Oscilloscope Tektronix 11801 with Tektronix SD 22 26 sampling head or Tekt...

Page 202: ...ation Spectrum Analyzer HP 8590A Adapter Pomona 3288 BNC f to Type N m BNC Cable supplied with SC300 Edge Frequency AC Voltage Frequency Verification Frequency Counter PM 6680 with option PM 9678 20 m...

Page 203: ...ustments See Hardware Adjustments in this chapter The AC Square Wave Voltage function is dependent on the DC Voltage function Calibration of the AC Voltage function is required after the DC Voltage is...

Page 204: ...e topline and baseline of the square wave signal 6 103 Setup for Square Wave Measurements By controlling the HP 3458A s integration and sample time it can be used to make accurate repeatable measureme...

Page 205: ...nd the average of multiple readings you can program one of the keys to MATH OFF MATH STAT and then use the RMATH MEAN function to recall the average or mean value Refer to Figure 6 19 for the proper c...

Page 206: ...hnical details on the procedure DC voltages are measured and entered in the Calibrator Mainframe to calibrate the AC Voltage function Set up the Calibrator Mainframe to Cal ACV Press OPTIONS and NEXT...

Page 207: ...for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the lower part of the wave form i e baseline Manually lock the HP 3458A to the range that gives the most r...

Page 208: ...UREMENT STANDARD 1000V RMS MAX 1000V RMS MAX 3V RMS MAX INPUT 1 INPUT 2 SHUNT HI LO GUARD GROUND SHELL FLOATING 10V PEAK MAX WIDEBAND 7V RMS MAX MAX 10V PK SHELL FLOATING INPUT1 SHUNT INPUT1 INPUT1 IN...

Page 209: ...w 10 MHz Continue with the high frequency calibration 6 110 High Frequency Calibration Connect the Calibrator Mainframe SCOPE connector to the power meter and power sensor as described in Equipment Se...

Page 210: ...review all of the procedures in advance to ensure you have the resources to complete them 6 112 DC Voltage Verification This procedure uses the following equipment Hewlett Packard 3458A Digital Multi...

Page 211: ...voltage in Table 6 50 Multiply the readings by 0 5 50 Rload Rload where Rload the actual feedthrough termination resistance to correct for the resistance error Compare result to the tolerance 1 year s...

Page 212: ...Year Spec mV 0 0 mV 0 10 5 0 mV 0 11 5 0 mV 0 11 10 0 mV 0 12 10 0 mV 0 12 22 0 mV 0 15 22 0 mV 0 15 25 0 mV 0 16 25 0 mV 0 16 55 0 mV 0 24 55 0 mV 0 24 100 0 mV 0 35 100 0 mV 0 35 220 0 mV 0 65 220...

Page 213: ...d on the rear of that instrument Make sure the Calibrator Mainframe impedance is set to 1 M The blue softkey under Output Z toggles the impedance between 50 and 1 M 1 When making measurements at 1 kHz...

Page 214: ...0 0 mV 10 kHz 0 15 50 0 mV 10 kHz 0 23 89 0 mV 10 Hz 0 32 89 0 mV 10 kHz 0 32 100 0 mV 10 kHz 0 35 200 0 mV 100 Hz 0 60 200 0 mV 1 kHz 0 60 200 0 mV 10 kHz 0 60 500 0 mV 10 kHz 1 35 890 0 mV 10 Hz 2 3...

Page 215: ...mples for at least two seconds using the HP 3458A MATH functions to determine the average or mean value See Setup for Square Wave Measurements for more details 3 Measure the baseline of each output af...

Page 216: ...ns This procedure uses the following equipment PM 6680 Frequency Counter with an TCXO timebase Option PM 9678 or equivalent BNC cable supplied with the SC300 5500A CALIBRATOR 20V PK MAX HI LO TC TRIG...

Page 217: ...surements of a 1 kHz signal set the HP 3458A to DCV NPLC 01 LEVEL 1 TRIG LEVEL and the DELAY to 0002 for measuring the upper part of the wave form i e topline and the DELAY to 0007 for measuring the l...

Page 218: ...for proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Edge menu on the display Press O on the Calibrator Mainframe to activate the output Then follow these steps to verify...

Page 219: ...0 reading to stabilize Compare the duty cycle reading to 50 5 6 122 Edge Rise Time Verification This procedure tests the edge function s rise time Aberrations are also checked with the Tektronix 11801...

Page 220: ...these parameters Digital Storage Oscilloscope Setup Main Time Base position initial 40 ns Horizontal scale 500 ps div Measurement Function Rise Time 1 Program the Calibrator Mainframe to output the vo...

Page 221: ...setup found in the Edge Rise Time Verification section Before you begin this procedure verify that the 5520A SC300 is in the edge mode the Edge menu is displayed and program it to output 1 V p p 1 MHz...

Page 222: ...e leveled sine wave amplitude 1 Connect the BNC cable to the Calibrator Mainframe s SCOPE connector Connect the other end of the BNC cable to the 50 feedthrough termination then to the 5790A INPUT 2 u...

Page 223: ...upplied with the SC300 Refer to Figure 6 21 for the proper setup connections Set the Calibrator Mainframe to SCOPE mode with the Levsine menu on the display Then follow these steps to verify the level...

Page 224: ...or proper setup connections 5500A CALIBRATOR 20V PK MAX HI LO TC TRIG OUT 1000V RMS MAX 20V RMS MAX 1V PK MAX 20V PK MAX NORMAL AUX SCOPE V RTD A SENSE AUX V 200V PK MAX HP 8590 SC300 Cable BNC F to T...

Page 225: ...ble 6 60 Leveled Sine Wave Harmonics Verification Calibrator Mainframe Output Frequency 5 5 V p p Harmonic HP 8590A Reading dB Tolerance 50 kHz 2 33 dB 50 kHz 3 4 5 38 dB 100 kHz 2 33 dB 100 kHz 3 4 5...

Page 226: ...ENT STANDARD 1000V RMS MAX 1000V RMS MAX 3V RMS MAX INPUT 1 INPUT 2 SHUNT HI LO GUARD GROUND SHELL FLOATING 10V PEAK MAX WIDEBAND 7V RMS MAX MAX 10V PK SHELL FLOATING INPUT1 SHUNT INPUT1 INPUT1 INPUT1...

Page 227: ...rate the power meter with the power sensor being used Refer to the Hewlett Packard E4418A operators manual for details PRESET RESOLN 3 AUTO FILTER WATTS SENSOR TABLE 0 default OM035f eps Figure 6 26 C...

Page 228: ...u have completed Columns A and B press Y to remove the Calibrator Mainframe s output Complete Table 6 61 by performing the calculations for column C Compare Column C to the specifications listed in th...

Page 229: ...o remove the Calibrator Mainframe s output Complete Table 6 62 by performing the calculations for each column Compare Column E to the specifications listed in the final column Table 6 62 High Frequenc...

Page 230: ...ntry E Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 64 High Frequency Flatness Verification at 25 mV Calibrator Mainframe Freq MHz...

Page 231: ...B entry E Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 66 High Frequency Flatness Verification at 250 mV Calibrator Mainframe Freq...

Page 232: ...ntry E Compute and enter Error relative to 10 MHz 100 sqrt Column C entry sqrt Column D entry sqrt Column D entry Table 6 68 High Frequency Flatness Verification at 3 4 V Calibrator Mainframe Freq MHz...

Page 233: ...n the Calibrator Mainframe to activate the output Then follow these steps to for each period listed in Table 6 69 1 Program the Calibrator Mainframe to the output as listed in Table 6 69 2 Using the B...

Page 234: ...1 29E 9 s 20 0 s A Off 506E 12 s 10 0 s A Off 251 5E 12 s 1 0 s A Off 25 0E 12 s 50 0 ns A Off 1 25E 12 s 20 0 ns A Off 500E 15 s 10 0 ns A Off 250E 15 s 5 00 ns A Off 125E 15 s 2 00 ns C Off 50E 15...

Page 235: ...ector Connect the other end of the BNC cable to the 5790A INPUT 2 using the BNC f to Double Banana adapter 3 Set the 5790A to AUTORANGE digital filter mode to FAST restart fine and Hi Res on 4 Program...

Page 236: ...Calibrator Mainframe Wave Type Calibrator Mainframe output 10 kHz 5790A Reading V rms Conversion Factor 5790A Reading x Conversion Factor V p p Tolerance V p p square 5 0 mV 2 0000 250 00 V square 20...

Page 237: ...mV 3 4641 1 450 mV triangle 109 mV 3 4641 3 370 mV triangle 0 45 V 3 4641 13 570 mV triangle 1 09 V 3 4641 32 500 mV triangle 2 20 V 3 4641 66 100 mV 6 136 SC300 Hardware Adjustments Note Before begi...

Page 238: ...Spectrum Analyzer Adjust the Spectrum Analyzer so that it displays one peak across its horizontal centerline The far right of the peak is fixed at the far right of the centerline as shown below 6 140...

Page 239: ...d and program it to output 1 V p p 1 MHz Press O to activate the output Refer to Figure 6 22 for the proper setup connections and connect the Calibrator Mainframe to the oscilloscope Set the oscillosc...

Page 240: ...re with specifications It may be necessary to slow the rise time A90R35 to reduce the amplitude of the aberrations 8 Set the UUT output to 2 5 V and the oscilloscope vertical to 2 mV div Check the abe...

Page 241: ...nce out of the LO VCO so that the signal is balanced between the two VCOs The second procedure adjusts the harmonics 6 147 Equipment Setup This procedure uses the spectrum analyzer Before you begin th...

Page 242: ...e used for adjusting the leveled sine wave harmonics Do not use this procedure as a verification test The specifications in this procedure are not valid for verification 1 Set the Spectrum Analyzer to...

Page 243: ...nter SC300 Board 5500A 4004 1 Fluke PN 600749 SC300 Board 5500A 4004 Fluke PN 937383 Note To verify the edge aberrations back to national standards you should send your Calibrator Mainframe to Fluke o...

Page 244: ...t R168 until the center of the wave peak is half of a division above the center line as shown in Figure 6 33 4 Change the time div on the 11801B to 5 ns div 5 Slowly adjust R57 It will affect the firs...

Page 245: ...ts for the A4 Board 6 6 119 R57 R16 R1 R168 Waveform moves as R168 is adjusted Adjusted waveform om039f eps Figure 6 33 Adjusting the Wave Peak Center with R168 R57 R16 R1 R168 10 ns om040f eps Figure...

Page 246: ...eform 5 Adjust R57 so the rising edge falls back and crosses the horizontal center line one division before the vertical center The edge should cross the center line at two points where it rises and f...

Page 247: ...adjustment verify the edge rise time to ensure that it remains within tolerance If it does not repeat the aberration and rise time adjustments until you achieve the best compromise within the listed...

Page 248: ...am the digital storage oscilloscope to the parameters listed below Digital Storage Oscilloscope Setup Vertical Axis 50 mV div Horizontal Axis 1 ns div Function Rise Time 6 156 Adjusting the Edge Rise...

Page 249: ...ifications 1 24 C Calculating power uncertainty 1 23 Calibrating the 5500A 3 3 Calibration AC current 3 8 AC volts 3 5 AUX ac volts 3 9 AUX dc volts 3 8 Capacitance 3 12 Capacitance four wire comp 3 1...

Page 250: ...equipment setup 6 40 6 44 6 96 6 100 Frequency Verification 6 41 6 97 Harmonics Verification 6 42 6 98 Theory of Operation 6 12 6 72 Leveled Sine Wave Function Specifications 6 8 6 70 M Main CPU asse...

Page 251: ...Specifications 6 11 Synthesized Impedance assembly A5 Theory 2 4 T Temperature Calibration RTD Specifications 1 17 Time Marker function Theory of Operation 6 13 6 72 Verification 6 51 6 107 Time Marke...

Page 252: ...d 6 57 Pulse width 6 56 Time Marker 6 51 Wave Generator 6 52 Thermocouple measurement accuracy 3 31 Thermocouple measuring accuracy 3 31 Thermocouple sourcing accuracy 3 31 Volt Function Specification...

Page 253: ...5500A Service Manual 2 This page is for holding the Reference Document RD fields Do not remove from this master document All RD fields will be placed after this text...

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