Keithley 2520 Manuals

Manuals and User Guides for Keithley 2520. We have 3 Keithley 2520 manuals available for free PDF download: User Manual, Service Manual, Quick Reference Manual

Keithley 2520 User Manual (329 pages)

Pulsed Laser Diode Test System

Brand: Keithley | Category: Test Equipment | Size: 5 MB

Table of Contents
7
Getting Started

27
- General Information
  28
  - Warranty Information
    28
  - Contact Information
    28
  - Manual Addenda
    28
  - Speciﬁcations
    28
  - Safety Symbols and Terms
    28
  - Inspection
    29
  - Options and Accessories
    29
    
    Signal Cables and Adapters
    29
Connections

29
- Interface Cables
  30
- Rack Mount Kits
  30
- Product Overview
  31
- Mainframe Front and Rear Panel Familiarization
  32
  - Front Panel Summary
    32
  - Figure 1-1 Mainframe Front Panel
    32
  - Figure
    32
  - Rear Panel Summary
    33
  - Figure 1-2 Mainframe Rear Panel
    34
Getting Started

34
- Testhead Front and Rear Panel Familiarization
  35
  - Front Panel Summary
    35
  - Figure 1-3 Testhead Front Panel
    35
  - Rear Panel Summary
    36
  - Figure 1-4 Testhead Rear Panel
    36
- Power-Up
  37
  - Line Voltage
    37
  - Line Power Connection
    37
  - Power-Up Sequence
    37
  - System Identiﬁcation
    38
  - Fuse Replacement
    38
  - Table 1-1 Line Fuse
    38
- Table
  38
  - Display
    39
    
    Display Example
    39
    
    Display Format
    39
    
    Display Units
    39
    
    Status and Error Messages
    39
    
    Front Panel Display Tests
    40
    
    Remote Display Programming
    40
  - Default Settings
    40
    
    Saving and Restoring User Setups
    40
    
    Saving Setups
    40
  - Basic Display Command
    40
- Table
  40
  - Restoring Setups
    41
  - Power-On Conﬁguration
    41
  - Factory Default Settings
    41
  - Table 1-3 Factory Default Settings
    42
  - Remote Setups
    43
  - Menus
    43
    
    Main Menu
    44
    
    Rules to Navigate Menus
    44
    
    Table 1-4 Main Menu
    44
- Table
  44
  - Main Operation Menus
    45
  - COMM, SETUP, and DIG out Menus
    46
- Table
  46
  - Conﬁguration Menus
    47
  - PW, DELAY, and COMPL Menus
    47
- Table
  47
  - LASER and DETECTOR Conﬁguration Menus
    48
- Table
  48
  - TRIG and FILTER Conﬁguration Menus
    49
- Table
  49
  - SWEEP and MATH Conﬁguration Menus
    50
- Connection Precautions
  52
- Testhead Preparation
  53
Basic Operation

61
- Table
  62
  - Laser Diode Current Source Ranges
    62
- Operation Overview
  62
- Table
  63
  - Laser Diode Voltage Measurement Ranges
    63
    
    Laser Diode Source Compliance
    63
- Photodiode Current Measurement Ranges
  64
- Table
  64
  - Photodiode Source and Measure Ranges
    64
3 Basic Operation

65
Laser Diode Testing

75
- Table
  76
4 Laser Diode Testing

77
- Laser Diode Test Commands
  79
5 Source-Measure Concepts

84
- Figure 5-1 Delay-Pulse Cycle
  84
- Pulse Concepts
  84
- Sweep Waveforms
  90
- Figure 5-9 Custom Sweep Waveform
  91
- Current Source Operating Boundaries
  92
- Figure 5-11 Loading Effects
  93
- Data Flow
  94
- Figure 5-12 Data Flow-Front Panel
  95
Range, Filter, and Math

96
- Table
  97
  - Laser Diode Voltage Measurement Ranges
    97
- Photodiode Current Measurement Ranges
  97
- Range
  
  97
  - Table
    98
    
    Laser Diode Current Source Ranges
    98
    
    Maximum Readings
    98
    
    Table 6-4 Range Commands
    98
  - Range Programming Example
    99
  - Table
    99
  - Filter Conﬁguration
    100
  - Table
    101
    
    Filter Programming Example
    101
    
    Table 6-6 Filter Commands
    101
    
    Conductance
    102
    
    Math Conﬁguration Menu
    103
  - Table
    103
    
    Front Panel Math Functions
    103
    
    Math Function Commands
    104
  - Table
    104
    
    Remote Math Functions
    104
    
    Math Function Programming Example
    105
Sweep Operation

106
7 Sweep Operation

107
- Figure 7-1 Linear Staircase Sweep
  107
- Sweep Types
  107
  - Figure 7-2 Logarithmic Staircase Sweep
    108
  - Figure 7-3 Custom Pulse Sweep
    109
  - Table 7-1 Logarithmic Sweep Points
    109
  - Conﬁguring and Running a Sweep
    110
  - Performing Sweeps
    111
    
    Performing a Log Staircase Sweep
    112
- Table
  113
- Custom Sweep Commands
  115
- Table 7-5 Custom Sweep Programming Example
  116
Triggering

117
- Trigger Model (Front Panel Operation)
  118
  - Idle Layer
    119
    
    Pulse Phase
    120
    
    Figure 8-2 Rear Panel Pinout
    121
  - Bench Defaults
    121
  - Input Trigger Requirements
    122
    
    Conﬁguring Triggering
    123
    
    Figure 8-5 Conﬁgure Trigger Menu Tree
    124
    
    Remote Triggering
    125
    
    Figure 8-6 Trigger Model (Remote Operation)
    126
  - Event Detection
    127
  - Delay and Pulse Phases
    128
8 Triggering

121
- Remote Trigger Commands
  129
  - Output Trigger
    129
- Table
  130
  - Remote Triggering Example
    130
    
    Remote Trigger Example
    130
9 Digital I/O Port, Interlocks, and Pulse Sync Output

132
- Figure 9-1 Digital I/O Port
  132
Digital I/O Port, Interlocks, and Pulse Sync Output

132
- Figure 9-2 Sink Operation
  133
  - Start-Of-Test (SOT) Line
    133
  - Figure 9-3 Source Operation
    134
- Table
  135
  - Digital Output Line Settings
    135
    
    Remote Digital Output Control
    135
    
    Figure 9-4 Interlock Operation
    136
  - Interlock Status Indicator Test Sequence
    137
- Pulse Sync Output
  138
  - Pulse Sync Connections
    139
Remote Operations

140
- Differences: Remote Vs. Local Operation
  141
- GPIB Operation
  142
- Table
  145
  - Primary Address
    145
  - REN (Remote Enable)
    146
  - SDC (Selective Device Clear)
    147
  - GPIB Status Indicators
    148
- Programming Syntax
  149
  - Query Commands
    151
  - Short-Form Rules
    152
    
    Multiple Command Messages
    153
    
    Using Common and SCPI Commands in the same Message
    154
    
    Response Message Terminator (RMT)
    155
    
    Data Bits and Parity
    156
    
    RS-232 Connections
    157
    
    Table 10-2 RS-232 Connector Pinout
    158
    
    Table 10-3 PC Serial Port Pinout
    158
    
    Error Messages
    159
- Status Structure
  
  160
  - Overview
    161
11 Status Structure

162
- Figure 11-1 Model 2520 Status Register Structure
  162
- Table
  163
  - Common and SCPI Commands to Reset Registers and Clear Queues
    163
  - Commands
    163
  - Clearing Registers and Queues
    163
  - Figure 11-2 16-Bit Status Register
    164
  - Programming and Reading Registers
    164
    
    Reading Registers
    165
  - Status Byte and Service Request (SRQ)
    166
    
    Status Byte Register
    167
    
    Serial Polling and SRQ
    168
- Table
  169
  - Status Byte Programming Example
    169
    
    Status Byte and Service Request Commands
    169
    
    Status Register Sets
    170
    
    Figure 11-4 Standard Event Status
    171
    
    Figure 11-5 Operation Event Status
    172
    
    Operation Event Register
    172
    
    Measurement Event Register
    173
    
    Figure 11-6 Measurement Event Status
    174
    
    Questionable Event Register
    175
- Event Register Commands
  176
  - Condition Registers
    176
- Table
  176
  - Condition Register Commands
    176
- Event Enable Registers Commands
  177
- Table
  177
  - Program and Read Register Programming Example
    178
  - Error Queue
    179
    
    Programming Example - Read Error Queue
    180
    
    Table 11-9 Error Queue Commands
    180
Common Commands

181
- Command Summary
  182
- Table
  182
  - IEEE-488.2 Common Commands and Queries
    182
- Command Reference
  183
- OPC Programming Example
  184
- SAV, *RCL Programming Example
  185
- Table
  185
  - TRG Programming Example
    185
  - TST? — Self-Test Query
    186
SCPI Signal-Oriented Measurement Commands

187
- Table
  188
  - Signal-Oriented Measurement Command Summary
    188
  - Sense[1]]:Data[:Latest]?
    189
SCPI Command Reference

190
- Reference Tables
  191
- Table
  192
  - Calculate Command Summary
    192
  - Table 14-1 Calculate Command Summary
    192
- Table
  194
  - Display Command Summary
    194
  - Table 14-2 Display Command Summary
    194
- Output Command Summary
  195
- Table
  195
  - Format Command Summary
    195
- Table 14-3 Format Command Summary
  195
- Table
  196
  - Table 14-5 Sense Command Summary
    196
  - Table 14-6 Source Command Summary
    199
  - Status Command Summary
    201
  - Table 14-9 Trace Command Summary
    202
  - Table 14-10 Trigger Command Summary
    203
  - Select Laser Diode Math Function
    204
    
    Units <Name>
    205
    
    Data?
    206
    
    Attributes?
    207
    
    State <B>
    208
    
    Figure 14-1 ASCII Data Format
    209
    
    Figure 14-2 IEEE-754 Single Precision Data Format (32 Data Bits)
    210
    
    Data Elements
    211
    
    Calculate Data Elements
    212
    
    Trace Data Elements
    213
    
    Source4 <Name>
    214
    
    Status Register Format
    215
  - Output Subsystem
    216
    
    Select Laser Diode Voltage Measurement Range
    217
    
    Select Polarity
    218
    
    Query Latest Readings
    219
    
    State] <B>
    220
14 SCPI Command Reference

209
- Source Subsystem
  221
  - Select Source Function
    222
    
    Set Amplitudes
    223
  - Set Voltage Limit
    224
  - Set Pulse Times
    225
    
    Conﬁgure Sweeps
    226
    
    Center <N>
    227
    
    STEP <N>
    228
    
    Points <N>
    229
    
    Conﬁgure List
    230
    
    Points?
    231
    
    Delay <Nrf List>
    232
    
    Sweep and List Program Examples
    233
    
    Logarithmic Staircase Sweep
    234
    
    Source2 and Source3
    235
    
    Set Amplitudes
    236
    
    Setting Bit Size
    237
  - Status Subsystem
    238
    
    Read Condition Registers
    239
    
    Enable <List>
    240
    
    Posetup
    241
    
    Count?
    242
    
    Read Version of SCPI Standard
    243
- RS-232 Interface
  244
- Trace Subsystem
  245
  - Conﬁgure Sample Buffer
    246
  - Abort Source/Measure Cycle
    247
    
    Timer <N>
    248
    
    Iline <Nrf>
    249
    
    Introduction
    255
B Status and Error Messages

256
- Table B-1 Status and Error Messages
  256
- Eliminating Common SCPI Errors
  260
  - Query UNTERMINATED"
    261
  - Introduction
    263
  - SENS1, SENS2, and SENS3
    264
  - READ? and Measure?
    265
- IEEE-488 Bus Overview
  
  266
  - Introduction
    267
  - Figure D-1 IEEE-488 Bus Conﬁguration
    269
  - Bus Lines
    270
  - Figure D-2 IEEE-488 Handshake Sequence
    271
  - IEEE-488 Bus Command Summary
    272
    
    Uniline Commands
    273
    
    Addressed Multiline Commands
    274
  - Table D-2 Hexadecimal and Decimal Command Codes
    275
  - Figure D-3 Command Codes
    276
  - Table D-3 Typical Addressed Multiline Command Sequence
    277
  - Table D-4 Typical Addressed Common Command Sequence
    277
  - Table D-5 IEEE Command Groups
    278
  - Model 2520 Interface Function Codes
    279
- IEEE-488 and SCPI Conformance Information
  
  283
  - IEEE-488 Documentation Requirements
    283
  - Table E-2 Coupled Commands
    284
- Measurement Considerations
  
  285
  - Optimizing Laser Diode Connections
    286
    
    Cable Inductance
    287
    
    Figure F-2 Rise Time of 4A Current Pulse
    288
    
    Increasing Cable Length
    289
    
    Exposed Loop Area
    290
    
    Figure F-5 Ideal Response of 2A Pulse Using 10 Inch Cables
    291
  - Sense Lead Connections
    292
  - Figure F-8 Response of 2A Pulse with Sense Leads 1/4 Inch Away from DUT
    293
  - Magnetic Coupling
    294
    
    Increasing Laser Diode Pulse Measurement Speed
    295
    
    Laser Diode Impedance Matching
    296
  - Model 2520 Output Circuit Model
    297
    
    Transmission Line Model
    298
    
    Forward Voltage Measurement
    299
    
    Photodiode Current Measurement Channels
    300
  - Minimum Recommended Source Resistance Values
    301
    
    Source Capacitance
    302
    
    Offset Currents
    303
  - Voltage Burden
    304
    
    Light
    305
    
    Electrostatic Interference
    306
    
    Electromagnetic Interference (EMI)
    307
    
    Introduction
    309
    
    Protocol Differences
    310
    
    Bus Hold-Off
    311
    
    Introduction
    313
    
    Laser Diode Test Program
    314
    
    Linear Staircase Sweep Program
    315
    
    List Sweep Program
    316
Continuous Pulse Mode

318
- Conﬁguring the 2520 to Use Continuous Pulse Mode
  319
- Remote Conﬁguration over GPIB/IEEE-488
  320

Keithley 2520 Service Manual (137 pages)

Pulsed Laser Diode Test System

Brand: Keithley | Category: Test Equipment | Size: 3 MB

Table of Contents
7
1 Performance Verification

13
- Introduction
  14
- Verification Test Requirements
  16
  - Environmental Conditions
    16
  - Warm-Up Period
    16
  - Line Power
    16
- Recommended Test Equipment
  17
  - Resistor Characterization
    17
- Verification Limits
  18
  - Example Limits Calculation
    18
- Restoring Factory Defaults
  18
- Performing the Verification Test Procedures
  18
  - Test Summary
    18
  - Test Considerations
    19
- Testhead Connections
  19
- Voltage Measurement Accuracy
  21
- Current Source Accuracy
  22
- Current Measurement Accuracy
  26
- Voltage Bias Source Accuracy
  28
2 Calibration

31
3 Routine Maintenance

69
- Introduction
  70
- Line Fuse Replacement
  70
- Table 3-1 Power Line Fuse
  71
4 Troubleshooting

73
- Introduction
  74
- Safety Considerations
  74
- Repair Considerations
  74
- Power-On Self-Test
  75
- Front Panel Tests
  75
  - KEYS Test
    75
  - DISPLAY PATTERNS Test
    75
  - CHAR SET Test
    76
- Principles of Operation
  76
  - Overall Block Diagram
    77
  - Analog Circuits
    79
  - Power Supply
    82
  - Digital Circuitry
    83
- Troubleshooting
  85
  - Display Board Checks
    85
  - Power Supply Checks
    86
  - Table 4-2 Power Supply Checks
    86
  - Digital Circuitry Checks
    87
  - Table 4-3 Digital Circuitry Checks
    87
  - Analog Circuitry Checks
    88
  - Table 4-4 Analog Circuitry Checks
    88
- No Comm Link Error
  89
5 Disassembly

91
- Introduction
  92
- Handling and Cleaning
  92
  - Handling PC Boards
    92
  - Solder Repairs
    92
- Static Sensitive Devices
  93
- Assembly Drawings
  93
- Case Cover Removal
  94
- Motherboard Removal
  94
- Front Panel Disassembly
  95
- Removing Power Components
  96
  - Power Supply Module Removal
    96
  - Power Module Removal
    96
- Instrument Re-Assembly
  96
- Testhead Disassembly
  97
  - Case Disassembly
    97
  - Output Board Removal
    97
  - Input Board Removal
    97
- Testhead Re-Assembly
  97
6 Replaceable Parts

99
- Introduction
  100
- Parts Lists
  100
- Ordering Information
  100
- Factory Service
  100
- Component Layouts
  100
- Specifications
  
  117
  - Accuracy Calculations
    120
    
    Measurement Accuracy
    120
    
    Source Accuracy
    120
- Calibration Reference
  
  121
  - Introduction
    122
  - Command Summary
    122
  - Miscellaneous Commands
    123
  - Measurement Commands
    126
  - Current Source Commands
    127
  - Voltage Bias Source Commands
    128
  - Detecting Calibration Errors
    129
    
    Reading the Error Queue
    129
    
    Error Summary
    129
    
    Table B-2 Calibration Errors
    129
    
    Status Byte EAV (Error Available) Bit
    130
    
    Generating an SRQ on Error
    130
  - Detecting Calibration Step Completion
    130
    
    Using the *OPC? Query
    130
    
    Using the *OPC Command
    131
    
    Generating an SRQ on Calibration Complete
    131

Keithley 2520 Quick Reference Manual (37 pages)

Pulsed Laser Diode Test System

Brand: Keithley | Category: Measuring Instruments | Size: 1 MB

Table of Contents
7
Introduction
10
Source and Measure Capabilities
11
Front and Rear Panels
11
Figure 2
12
Figure 2 Mainframe Rear Panel
12
Figure 3 Testhead Front Panel
12
Navigating Menus and Entering Numeric Data
13
- Menu Navigation
  13
- Figure 4 Testhead Rear Panel
  13
- Numeric Data Entry (EDIT Keys)
  14
Editing Source Values
14
Display Format
16
- Display Example
  16
- Display Units
  16
Basic Connections
17
- Testhead Connections
  18
- Interlock Connections
  19
- Typical Test Connections
  20
- Connection Considerations
  20
- Polarity
  21
- Remote Command Programming
  21
Basic Operation
22
- Remote Command Programming
  22
  - Table 3 SCPI Commands for Basic Laser Diode Tests
    23
  - Table 4 Basic Laser Diode Test Programming Example
    24
Settings to Optimize Performance
25
- Range
  25
- Filter
  25
- Table 5 Filter Commands
  26
Features to Enhance DUT Testing
27
Custom Pulse Sweep (Example)
29
Table
35
- Math Function Programming Example
  36

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Keithley 2520 Manuals

Keithley 2520 User Manual (329 pages)

Table of Contents

Getting Started

Connections

Getting Started

Basic Operation

3 Basic Operation

Laser Diode Testing

4 Laser Diode Testing

5 Source-Measure Concepts

Range, Filter, and Math

Range

Sweep Operation

7 Sweep Operation

Triggering

8 Triggering

9 Digital I/O Port, Interlocks, and Pulse Sync Output

Digital I/O Port, Interlocks, and Pulse Sync Output

Remote Operations

Status Structure

11 Status Structure

Common Commands

SCPI Signal-Oriented Measurement Commands

SCPI Command Reference

14 SCPI Command Reference

B Status and Error Messages

IEEE-488 Bus Overview

IEEE-488 and SCPI Conformance Information

Measurement Considerations

Continuous Pulse Mode

Keithley 2520 Service Manual (137 pages)

Table of Contents

1 Performance Verification

2 Calibration

3 Routine Maintenance

4 Troubleshooting

5 Disassembly

6 Replaceable Parts

Specifications

Calibration Reference

Keithley 2520 Quick Reference Manual (37 pages)

Table of Contents

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