Keithley 6482 - Measurement Considerations

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Appendix D

Measurement Considerations

In this appendix:

Topic Page

Low current measurements............................................................ D-2

General measurement considerations

......................................... D-6

Table of Contents

Default Chapter4
- Table of Contents4
1 Getting Started14
- Introduction15
- General Information15
- Product Overview17
- Specifications18
- Front and Rear Panel Familiarization18
  - Front-Panel Summary18
  - Rear Panel Summary20
- Power-Up21
- Display23
- Default Settings25
- Menus28
2 Connections38
- Connection Precautions39
- Input and Output Connectors39
- Connector Terminals40
- Output Enable42
- Connection Methods42
- Analog Output Connections45
3 Basic Operation50
- Operation Overview51
- Operation Considerations52
- Basic Measurement Procedure57
- Using the Analog Outputs60
4 Range, Digits, Speed, and Filters62
- Range and Digits63
- Speed65
  - Setting Speed66
  - Remote Speed Programming66
- Filters67
5 Relative, Math, Ratio, and Delta74
- Relative75
  - Front Panel Relative Offset75
  - Remote Relative Offset Programming76
- Measurement Math Functions77
- RATIO and DELTA79
6 Data Store84
- Data Store Overview85
- Front-Panel Data Store85
- Remote Command Data Store88
  - Data Store Commands88
  - Data Store Programming Example89
7 Sweep Operation90
- Sweep Types91
- Configuring and Running a Sweep94
8 Triggering104
- Front-Panel Operation of the Trigger Model105
  - Idle105
  - Event Detection106
- Trigger Layer107
- Trigger Link109
- Configuring Triggering115
  - CONFIGURE TRIGGER Menu115
- Remote Operation of the Trigger Model117
9 Measurement Concepts124
- Source-Delay-Measure Cycle125
- Sweep Waveforms126
- Bias Source Operating Boundaries127
  - Limit Lines127
  - Loading Effects128
- Data Flow129
10 Limit Testing134
- Types of Limits135
- Operation Overview136
  - Output Enable Connector138
- Configuring and Performing Limit Tests138
  - Configuring Limit Tests138
  - Performing Limit Tests139
- Remote Limit Testing140
  - Limit Commands140
  - Limit Test Programming Example141
11 Output Enable and Output Configuration142
- Output Enable143
- Front-Panel Output Configuration145
  - Configure OUTPUT Menu145
- Remote Output Configuration145
  - Output Configuration Commands145
  - Output Configuration Programming Example146
12 Remote Operations148
- Remote Versus Local Operation149
  - Local-To-Remote Transition149
  - Remote-To-Local Transition149
- Selecting an Interface149
- GPIB Operation150
- General Bus Commands152
- Front-Panel GPIB Operation154
- Programming Syntax155
- RS-232 Interface Operation160
13 Status Structure164
- Overview165
- Clearing Registers and Queues166
- Programming and Reading Registers167
  - Programming Enable Registers167
  - Reading Registers168
- Status Byte and Service Request (SRQ)169
- Status Register Sets172
- Queues179
  - Output Queue180
  - Error Queue180
14 Common Commands182
- Command Summary183
- Command Reference183
15 SCPI Measurement Commands188
- Command Summary189
- Configuring Measurement Function189
  - Configure:current[:DC]189
- Acquiring Readings190
16 SCPI Command Reference194
- Reference Tables195
- Calculate Subsystems209
- Calculate[1] and Calculate2210
- Calculate3 and Calculate4212
  - Select Input Path212
- Set or Acquire Relative Value212
- Enable and Read Relative Result213
- Calculate5213
  - Select RATIO Calculation Mode213
  - Enable and Read RATIO Result214
- Calculate6214
  - Select DELTA Calculation Mode214
  - Enable and Read DELTA Result214
- Calculate7215
- Calculate8217
  - Select Statistic217
  - Acquire Statistic218
- Display Subsystem218
- Format Subsystem221
- Sense Subsystem228
- Source Subsystem233
- Status Subsystem243
- System Subsystem245
- Trace Subsystem249
- Calibration256
18 Routine Maintenance294
- Introduction295
- Setting the Line Voltage and Replacing the Line Fuse295
- Status and Error Messages298
- Data Flow306
100 C IEEE-488 Bus Overview310
- Introduction310
- Bus Lines313
- Bus Commands315
- Interface Function Codes321
Measurement Considerations324
- Low Current Measurements325
- General Measurement Considerations329
GPIB 488.1 Protocol332
- Introduction332
- Selecting the 488.1 Protocol333
- Protocol Differences333
Example Programs336
- Introduction336
- Basic Measurement Program336
- Data Store Program336
- Linear Sweep Program336
- Limit Test Program337

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