Agilent Technologies E3634A Service Manual
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Agilent Technologies E3634A Service Manual

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Service Guide
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Summary of Contents for Agilent Technologies E3634A

  • Page 1 Service Guide 3DUW 1XPEHU ( $SULO  )RU :DUUDQW\ LQIRUPDWLRQ UHIHU WR WKH EDFN RI WKH PDQXDO ‹ &RS\ULJKW $JLOHQW 7HFKQRORJLHV ,QF  $OO 5LJKWV 5HVHUYHG $JLOHQW ($ DQG ($ '& 3RZHU 6XSSOLHV...

  • Page 3: The Front Panel At A Glance

    The Front Panel at a Glance 1 8V/20A range selection key (E3633A) 7 Store operating state/Local key 25V/7A range selection key (E3634A) 8 Error/Calibrate key 2 20V/10A range selection key (E3633A) 9 I/O Configuration/Secure key 50V/4A range selection key (E3634A)
  • Page 4 Service Guide Service Guide *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 5: Front-Panel Voltage And Current Limit Settings

    Front-Panel Voltage and Current Limit Settings...

  • Page 6: Display Annunciators

    Shows the 8V/20A range is selected. (Agilent E3633A model) Shows the 20V/10A range is selected. (Agilent E3633A model) Shows the 25V/7A range is selected. (Agilent E3634A model) Shows the 50V/4A range is selected. (Agilent E3634A model) The overvoltage protection function is enabled when the annunciator turns on or the overvoltage protection circuit has caused the power supply to shutdown when the annunciator blinks.

  • Page 7: The Rear Panel At A Glance

    The Rear Panel at a Glance 1 Power-line voltage setting 5 GPIB (IEEE-488) interface connector 2 Power-line fuse-holder assembly 6 RS-232 interface connector 3 AC inlet 7 Rear output terminals 4 Power-line module Use the front-panel key to: Config • Select the GPIB or RS-232 interface (see chapter 3 in User’s Guide). •...

  • Page 8: In This Book

    In This Book...
  • Page 10 Contents...
  • Page 11 Contents (Continued)
  • Page 12 Contents...
  • Page 13 Contents...

  • Page 15: Specifications

    Specifications...

  • Page 16: Performance Specifications

    Chapter 1 Specifications Performance Specifications Performance Specifications Table 1-1. Performance Specifications Parameter Agilent E3633A Agilent E3634A Output Ratings Low Range 0 to +8 V/0 to 20 A 0 to +25 V/0 to 7 A (@ 0 °C - 40 °C)
  • Page 17 Performance Specifications...

  • Page 18: Supplemental Characteristics

    Supplemental Characteristics...
  • Page 20 Figure 8-1. Dimensions of Agilent E3633A and E3634A Power Supplies...
  • Page 21 Supplemental Characteristics...

  • Page 23: Quick Start

    Quick Start Store Local *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 24: To Prepare The Power Supply For Use

    To Prepare the Power Supply for Use To Prepare the Power Supply for Use Power *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 25 To Prepare the Power Supply for Use...

  • Page 26: To Check The Rated Voltages Of The Power Supply

    To Check the Rated Voltages of the Power Supply Power *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 27: To Check The Rated Currents Of The Power Supply

    To Check the Rated Currents of the Power Supply Power *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 28 N o t e ERROR *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 29: To Use The Power Supply In Constant Voltage Mode

    To Use the Power Supply in Constant Voltage Mode Power constant voltage *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 30 *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 31: To Use The Power Supply In Constant Current Mode

    To Use the Power Supply in Constant Current Mode Power constant current *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 32 *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 33: To Store And Recall The Instrument State

    To Store and Recall the Instrument State To Store and Recall the Instrument State *RST To cancel the store operation...
  • Page 34 To Store and Recall the Instrument State This message appears on the display for approximately 1 second.

  • Page 35: To Program Overvoltage Protection

    To Program Overvoltage Protection To Program Overvoltage Protection Setting the OVP Level and Enable the OVP Circuit Power voltage *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 36 To Program Overvoltage Protection...
  • Page 37 To Program Overvoltage Protection OVP CLEAR...

  • Page 38: To Program Overcurrent Protection

    To Program Overcurrent Protection To Program Overcurrent Protection Setting the OCP Level and Enable the OCP Circuit Power *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 39 To Program Overcurrent Protection...
  • Page 40 To Program Overcurrent Protection OCP CLEAR...

  • Page 41: To Rack Mount The Power Supply

    Any Agilent System II instrument of the same size can be rack-mounted beside the Agilent E3633A or E3634A DC power supply. Remove the front and rear bumpers before rack-mounting the power supply. To remove the rubber bumper, stretch a corner and then slide it off.
  • Page 42 Chapter 2 Quick Start To Rack Mount the Power Supply To rack mount two instruments of the same depth side-by-side, order lock-link kit 5061-9694 and flange kit 5063-9214. To install two instruments in a sliding support shelf, order support shelf 5063-9256, and slide kit 1494-0015.
  • Page 43 To Rack Mount the Power Supply...

  • Page 45: Calibration Procedures

    Calibration Procedures...
  • Page 46 *RST Closed-Case Electronic Calibration Non-volatile...
  • Page 47 Automating Calibration Procedures Agilent E3633A and E3634A User’s Guide C a u t i o n...

  • Page 48: Recommended Test Equipment

    Recommended Test Equipment Recommended Test Equipment *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 49: Performance Verification Tests

    Performance Verification Tests Performance Verification Tests ERROR...

  • Page 50: Measurement Techniques

    Measurement Techniques Figure 3-1. Performance Verification Test Setup...
  • Page 51 Agilent E3633A and E3634A User’s Guide...

  • Page 52: Constant Voltage (Cv) Verifications

    Constant Voltage (CV) Verifications Constant Voltage (CV) Verifications *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 53: Cv Load Effect (Load Regulation)

    Constant Voltage (CV) Verifications CV Load Effect (Load Regulation) *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 54: Cv Source Effect (Line Regulation)

    Constant Voltage (CV) Verifications CV Source effect (Line Regulation) *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 55: Cv Pard (Ripple And Noise)

    Constant Voltage (CV) Verifications CV PARD (Ripple and Noise) *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 56: Load Transient Response Time

    Constant Voltage (CV) Verifications Load Transient Response Time Figure 3-3. Transient Response Time *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 57: Constant Current (Cc) Verifications

    Constant Current (CC) Verifications Constant Current (CC) Verifications *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 58: Cc Load Effect (Load Regulation)

    Constant Current (CC) Verifications CC Load Effect (Load Regulation) *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 59 Constant Current (CC) Verifications *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 60: Common Mode Current Noise

    Common Mode Current Noise Common Mode Current Noise *For Agilent E3633A Model **For Agilent E3634A Model...
  • Page 61 Performance Test Record for Agilent E3633A and E3634A Performance Test Record for Agilent E3633A and E3634A CV Performance Test Record CC Performance Test Record *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 62: Calibration Security Code

    Calibration Security Code Calibration Security Code *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 63: To Unsecure The Power Supply For Calibration

    Calibration Security Code To Unsecure the Power Supply for Calibration Calibrate Calibrate Config Config Secure Secure 0 0 0 0 *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 64: To Unsecure The Power Supply Without The Security Code

    Calibration Security Code Config Secure UNSECURED Config Secure Power To Unsecure the Power Supply Without the Security Code Calibrate...

  • Page 65: Calibration Count

    Calibration Count...

  • Page 66: General Calibration/Adjustment Procedure

    General Calibration/Adjustment Procedure after 1-hour warm-up...

  • Page 67: Front Panel Voltage And Current Calibration

    General Calibration/Adjustment Procedure Front Panel Voltage and Current Calibration Error Calibrate CAL MODE Error Calibrate Error Calibrate Error Calibrate 5 5 5 5...
  • Page 68 General Calibration/Adjustment Procedure Error Error Calibrate Calibrate Error Error Calibrate Calibrate...
  • Page 69 General Calibration/Adjustment Procedure Error Error Calibrate Calibrate Error Error Calibrate Calibrate...
  • Page 70 General Calibration/Adjustment Procedure Error Calibrate Error Calibrate...
  • Page 71 General Calibration/Adjustment Procedure Error Calibrate Error Calibrate...

  • Page 72: Cal Mode

    Aborting a Calibration in Progress Error Calibrate CAL MODE Power Aborting a Calibration in Progress...
  • Page 73 Calibration Record for Agilent E3633A/E3634A Calibration Record for Agilent E3633A/E3634A *For Agilent E3633A Model **For Agilent E3634A Model...

  • Page 74: Error Messages

    Error Messages Error Messages...
  • Page 75 Error Messages Calibration Error Messages...

  • Page 76: An Example Program Of Excel 97 For Calibration

    An Example program of Excel 97 for Calibration An Example program of Excel 97 for Calibration Ò '************************************************************************************** Ò 'This program was written on a PC with Excel Macros (Visual Basic for Applications) 'for Windows 95 or Windows NT 4.0. It will make software adjustments to the E3633A 'Power Supply on the GPIB bus using a Agilent 34401A Digital Multimeter and a current 'shunt.
  • Page 77 An Example program of Excel 97 for Calibration If DacErrorCorrection = False Then ClosePort Exit Sub End If shunt = 0.001 'Change the current shunt value UserAnswer = MsgBox("Voltage & OVP calibration. Connect the output to the DMM", vbYesNo + vbQuestion, "E3633A Calibration") If UserAnswer = vbNo Then ClosePort Exit Sub...
  • Page 78 An Example program of Excel 97 for Calibration ActiveCell.Value = "End Middle Current Calibration" StartCalibration CurrentMax, False, shunt 'Set output to maximum current cal ActiveCell.Value = "End Maximum Current Calibration" OVPandOCPCalibration False Message = SendSCPI(power, "Syst:Err?") If InStr(Message, "0") Then ActiveCell.Value = "Current Calibration Complete"...
  • Page 79 An Example program of Excel 97 for Calibration Private Function InitializeDevice() SendSCPI power, "*Cls" SendSCPI DMM, "*Rst" 'Set power-on condition for DMM SendSCPI power, "*Rst" 'Set power-on condition for power supply End Function Private Function CheckError(Error As Long, Message As String) As Boolean If Error <...
  • Page 80 An Example program of Excel 97 for Calibration Error = viWrite(device, ByVal commandString, Len(commandString), actual) If InStr(commandString, "?") Then Error = viRead(device, ByVal ReadBuffer, 512, actual) ReturnString = ReadBuffer crlfpos = InStr(ReturnString, Chr$(0)) If crlfpos Then ReturnString = Left(ReturnString, crlfpos - 2) End If SendSCPI = ReturnString End If...
  • Page 81 An Example program of Excel 97 for Calibration Private Function DacErrorCorrection() As Boolean Dim Message As String SendSCPI power, "Output On" 'Turn on the power supply output SendSCPI power, "Cal:Dac:Error" For I = 1 To 27 delay 1 ActiveCell.Value = "Waitting for " & Str$(27 - I) & "secs" Next I SendSCPI power, "Output Off"...
  • Page 82 An Example program of Excel 97 for Calibration End of Program...
  • Page 83 An Example program of Excel 97 for Calibration Declaration for Windows 95/NT 4.0...

  • Page 85: Theory Of Operation

    Theory of Operation...

  • Page 86: Block Diagram Overview

    Block Diagram Overview Block Diagram Overview...

  • Page 87: Block Diagram

    Block Diagram Overview Block Diagram...

  • Page 88: Ac Input And Bias Supplies

    AC Input and Bias Supplies AC Input and Bias Supplies...

  • Page 89: Floating Logic

    Floating Logic Floating Logic...
  • Page 90 Floating Logic...
  • Page 91 D-to-A Converter D-to-A Converter...
  • Page 92 A-to-D Converter A-to-D Converter multislope III...

  • Page 93: Power Mesh And Control

    Power Mesh and Control Power Mesh and Control...
  • Page 94 Power Mesh and Control...

  • Page 95: Earth-Referenced Logic

    Earth-Referenced Logic...
  • Page 97 Service...

  • Page 98: Operating Checklist

    Operating Checklist Operating Checklist...

  • Page 99: Types Of Service Available

    Types of Service Available Types of Service Available...

  • Page 100: Repacking For Shipment

    Repacking for Shipment Repacking for Shipment Agilent Technologies recommends that you always insure shipments.

  • Page 101: Electrostatic Discharge (Esd) Precautions

    Electrostatic Discharge (ESD) Precautions...

  • Page 102: To Disconnect The Output Using An External Relay

    To Disconnect the Output Using an External Relay OUTPut:RELay OUTPut:RELay OUTPut:RELay Installation Procedure...

  • Page 103: Troubleshooting Hints

    Troubleshooting Hints...

  • Page 104: Bias Supplies Problems

    Troubleshooting Hints Bias Supplies Problems Table 5-1. Bias Supplies Voltages...

  • Page 105: Self-Test Procedures

    Self-Test Procedures Self-Test Procedures...
  • Page 106 Self-Test Procedures...
  • Page 107 Self-Test Procedures...

  • Page 109: Replaceable Parts

    Replaceable Parts...
  • Page 110 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code 0180-4228 CAP-FXD 47uF +-20% 10V TA 12340 T491D476M010AS C2-6 0160-6497 CAP-FXD 0.1uF +-10% 50V CER X7R 12340 C1206C104K5RAC 0180-3751...
  • Page 111 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code 0160-6736 CAP-FXD 0.01uF +-10% 50V CER X7R 12340 C1206C103K5RAC 0160-6497 CAP-FXD 0.1uF +-10% 50 V CER X7R 12340 C1206C104K5RAC 0160-5954 CAP-FXD 220pF +-5% 50V CER C0G 12340 C0805C473K5RAC...
  • Page 112 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code C103-104 0160-4183 CAP-FXD 1000pF +-20% 250V PPR-MET 11892 PME271Y410M C105 (3633A) 0180-4235 CAP-FXD 470uF +-20% 50 V AL-ELCTLT 12599 KME50VB471M12X20LL (3634A) 0180-3595 CAP 220UF 100V 20% AL...
  • Page 113 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code CR37 1901-1227 DIODE-SWITCHING 75V 200MA 6NS TO-236 02910 BAS16 CR38 1906-0291 DIODE-DUAL 70V 100MA TO-236AA 02037 BAV99LT1 CR39 1884-0332 THYRISTOR-SCR TO-220AB VRRM=200 02037 MCR264-00 CR40...
  • Page 114 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code 0699-1386 RESISTOR 5.62K +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-5621 0699-1381 RESISTOR 3.48K +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-3481 R17-18 0699-1415 RESISTOR 100 +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-1000...
  • Page 115 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code 0699-1423 RESISTOR 215 +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-2150 0699-1383 RESISTOR 4.22K +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-4221 0699-1379 RESISTOR 2.87K +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-2871 R69 (3633A)
  • Page 116 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code R110 (3633A) 0699-3223 RESISTOR 45.3K +-0.1% .125W TF TC=0+-25 02499 W1206-R-03-45R3KB (3634A) 0699-5409 R-C 17.4K 0.1% 1/8W 09891 RN73E2B1742B R111-112 0699-3577 RESISTOR 140K +-0.1% .125W TF TC=0+-25 02499...
  • Page 117 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code R138 0699-1385 RESISTOR 5.11K +-1% .125W TKF TC=0+-100 00746 MCR18-F-X-5111 R139 0699-1394 RESISTOR 14.7K +-1% .125W TKF TC=0+-100 00746 MCR18-F-1472 R140 (3633A) 0699-1904...
  • Page 118 Chapter 6 Replaceable Parts E3633/E3634-60002 Main PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code 1990-1659 OPTO-ISOLATOR LED-PTRIAC IF=50MA-MAX 01542 MCP3020Z 1821-1479 IC 16-BIT MCU I/O TIMER 01542 N80C196KB 1820-8907 IC-ASIC GT-ARY 600 GATES CMOS SCX6200 01542 SCX6206AK0 1820-5937...
  • Page 119 0699-1381 R-C 3.48K 1% 1/8W 00746 MCR18-F-3481 Q301 1854-1053 TRANSISTOR NPNN SI SOT-23(TO-236AB) 03406 MMBT2222ALT1 U301* 1826-1811 IC OP AMP LOW-BIAS-H-IMPD DUAL 8 PIN 01542 TO072ACD U302* 1990-1276 IC OPTO-ISLTR CNY17GF-1Z 06121 CNY17F-1 * For use with E3634A model only...
  • Page 120 Chapter 6 Replaceable Parts E3633-60003 Front-Panel Display PC Assembly E3633-60003 Front-Panel Display PC Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code C1-3 0160-6497 CAP-FXD 0.1uF +-10% 50 V CER X7R 12340 C1206C104K5RAC C4-5 0180-3751 CAP-FXD 1uF +-20% 35 V TA 12340 T491B105M035AS 0160-5945...
  • Page 121 E3632-40003 1 KNOB 01542 E3633-40003 E3632-40004 1 FRONT FRAME 01542 E3633-40004 E3633-60007 BINDING POST BLOCK ASSY 01542 E3633-60007 E3634-60007 E3633A/E3634A Power Supply Assembly Reference Agilent Part Mfr. Part Description Mfr. Part Number Designator Number Code E3633-60013 E3633-60013 TRANSFORMER BRACKET ASSY 01542...

  • Page 122: Manufacturer's List

    Chapter 6 Replaceable Parts Manufacturer’s List Manufacturer’s List Mfr Code Manufacturer’s Name Manufacturer’s Address 07221 SUPERTEX INC SUNNYVALE, CA, U.S.A 00746 ROHM Corp Kyoto, Japan 00779 NICHICON AMERICA CORP Schaumberg, IL, U.S.A 00830 KYOCERA AMERICA, INC SAN DIEGO, CA, U.S.A 00901 UNION CARBIDE CORP DANBURY, CT, U.S.A...
  • Page 123 Manufacturer’s List...
  • Page 125 Backdating...
  • Page 127 Schematics...
  • Page 136 ©...

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