Keithley 2657A User Manual

Table of Contents Model 2657A High Power System SourceMeter® Instrument Reference Manual
ii 2657A-901-01 Rev. B/December 2012
Multiple SMU connections ....................................................................................................... 2-51
Guarding and shielding ........................................................................................................... 2-55
Test fixture .............................................................................................................................. 2-62
Floating a SMU ....................................................................................................................... 2-63
DUT connection settings .................................................................................................... 2-64
Sense mode selection ............................................................................................................. 2-64
Overvoltage protection (OVP) ................................................................................................. 2-65
Output-off states ...................................................................................................................... 2-66
USB storage overview ........................................................................................................ 2-70
Connecting the USB flash drive .............................................................................................. 2-70
File system navigation ............................................................................................................. 2-71
Displayed error and status messages ................................................................................ 2-72
Range ................................................................................................................................. 2-72
Available ranges ...................................................................................................................... 2-72
Maximum source values and readings .................................................................................... 2-72
Measure auto delay ................................................................................................................. 2-73
Ranging limitations .................................................................................................................. 2-73
Manual ranging ....................................................................................................................... 2-73
Autoranging ............................................................................................................................. 2-73
Low range limits ...................................................................................................................... 2-74
Range considerations ............................................................................................................. 2-75
Range programming ............................................................................................................... 2-76
Digits .................................................................................................................................. 2-77
Setting display resolution from the front panel ........................................................................ 2-77
Setting display resolution from a remote interface .................................................................. 2-77
Speed ................................................................................................................................. 2-78
Setting speed .......................................................................................................................... 2-78
Remote communication interfaces ..................................................................................... 2-79
Supported remote interfaces ................................................................................................... 2-80
Output queue .......................................................................................................................... 2-80
LAN communications .............................................................................................................. 2-81
GPIB operation ........................................................................................................................ 2-83
General bus commands .......................................................................................................... 2-85
Front-panel GPIB operation .................................................................................................... 2-87
RS-232 interface operation ..................................................................................................... 2-88
Functions and features .............................................................................................. 3-1
Relative offset ...................................................................................................................... 3-1
Front panel relative offset .......................................................................................................... 3-1
Remote relative offset programming ......................................................................................... 3-2
Filters.................................................................................................................................... 3-2
Filter types ................................................................................................................................. 3-3
Response time .......................................................................................................................... 3-4
Front panel filter control ............................................................................................................ 3-4
Remote filter programming ........................................................................................................ 3-5
Reading buffers .................................................................................................................... 3-6
Front-panel reading buffer control ............................................................................................. 3-6
Remote reading buffer programming ...................................................................................... 3-10
Sweep operation ................................................................................................................ 3-19
Overview ................................................................................................................................. 3-19
Sweep characteristics ............................................................................................................. 3-21
Configuring and running sweeps ............................................................................................. 3-28
Sweeping using factory scripts ................................................................................................ 3-29

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English