Keithley 2461 Reference Manual

Model 2461
Interactive SourceMeter® Instrument Reference Manual Table
of Contents
Setting up the Histogram ....................................................................................................... 2-136
Saving setups ................................................................................................................... 2-137
Save a user setup to internal memory ................................................................................... 2-137
Save a user setup to a USB flash drive ................................................................................. 2-138
Copy a user setup ................................................................................................................. 2-138
Delete a user setup ............................................................................................................... 2-139
Recall a user setup ............................................................................................................... 2-139
Define the setup used when power is turned on ................................................................... 2-140
Resets .............................................................................................................................. 2-141
Reset the instrument ............................................................................................................. 2-142
Using the event log .......................................................................................................... 2-142
Information provided for each event log entry ....................................................................... 2-143
Event log settings .................................................................................................................. 2-143
Effects of errors on scripts..................................................................................................... 2-144
Functions and features ............................................................................................ 3-1
Reading buffers .................................................................................................................... 3-2
Getting started with buffers ....................................................................................................... 3-2
Remote buffer operation ......................................................................................................... 3-23
Saving front-panel settings into a macro script .................................................................. 3-29
Recording a macro script ........................................................................................................ 3-29
Running a macro script ........................................................................................................... 3-30
Front-panel macro recording limitations .................................................................................. 3-30
Configuration lists ............................................................................................................... 3-30
Instrument configuration .......................................................................................................... 3-30
What is a configuration list? .................................................................................................... 3-31
What is a configuration index? ................................................................................................ 3-32
What settings are stored in a configuration list? ...................................................................... 3-32
Creating, storing, and performing operations on configuration lists and indexes .................... 3-36
Using the front panel for configuration list operations ............................................................. 3-36
Using remote commands for configuration list operations ....................................................... 3-42
Autocalibration ................................................................................................................... 3-51
Running autocalibration .......................................................................................................... 3-51
Reviewing calibration information ............................................................................................ 3-52
Monitoring internal temperature .............................................................................................. 3-53
Sweep operation ................................................................................................................ 3-53
Linear staircase sweep ........................................................................................................... 3-54
Logarithmic staircase sweep ................................................................................................... 3-55
Setting up a sweep .................................................................................................................. 3-55
Aborting a sweep .................................................................................................................... 3-60
Sweep programming examples ............................................................................................... 3-61
Increasing the speed of sweeps .............................................................................................. 3-64
Pulse operation .................................................................................................................. 3-64
Bias level and limits ................................................................................................................. 3-65
Pulse level and limits ............................................................................................................... 3-66
Pulse width .............................................................................................................................. 3-66
Delay and off time ................................................................................................................... 3-67
Pulse period ............................................................................................................................ 3-67
Pulse rise and fall times .......................................................................................................... 3-68
Pulse duty cycle ...................................................................................................................... 3-68
Pulse sweep type .................................................................................................................... 3-69
Pulse measurements .............................................................................................................. 3-73
Setting up a pulse sweep ........................................................................................................ 3-74
Pulse commands ..................................................................................................................... 3-76

Keithley 2461 Specifications

General

Maximum Current	7 A
Power	100 W
Resolution	6.5 digits
Source Measure Unit (SMU)	Yes
DC Voltage	100 V
Maximum Voltage	100 V
Display	5-inch capacitive touchscreen
Connectivity	USB, GPIB
Software	TSP
DC Current	7 A
Current Source Range	0 to 7 A
Voltage Measurement Range	100 mV to 100 V
Current Measurement Range	10 nA to 7 A
Voltage Measurement Resolution	100 nV