Keithley 2600a series - Page 11

Series 2600A System SourceMeter
®
Instruments Reference Manual Table of Contents
2600AS-901-01 Rev. B / September 2008 iii
Section Topic Page
Settling time considerations ...................................................................... 4-20
Measurement settling time considerations ......................................... 4-20
Reduction in gain-bandwidth .............................................................. 4-22
5 High-Capacitance Mode........................................................................ 5-1
Overview ..................................................................................................... 5-2
Understanding high-capacitance mode....................................................... 5-2
Understanding source settling times..................................................... 5-2
Adjusting the voltage source................................................................. 5-3
Enabling high-capacitance mode................................................................ 5-4
Front panel............................................................................................ 5-4
Command interface .............................................................................. 5-5
6 Range, Digits, Speed, Rel, and Filters .............................................. 6-1
Overview ..................................................................................................... 6-2
Range.......................................................................................................... 6-2
Available ranges ................................................................................... 6-2
Maximum source values and readings ................................................. 6-3
Ranging limitations ............................................................................... 6-3
Manual ranging..................................................................................... 6-3
Auto ranging ......................................................................................... 6-3
Low range limits.................................................................................... 6-3
Range considerations........................................................................... 6-4
Range programming............................................................................. 6-4
Digits ........................................................................................................... 6-6
Setting display resolution...................................................................... 6-6
Remote digits programming.................................................................. 6-6
Speed .......................................................................................................... 6-6
Setting speed........................................................................................ 6-7
Remote speed programming ................................................................ 6-7
Rel............................................................................................................... 6-8
Front panel rel....................................................................................... 6-8
Remote rel programming...................................................................... 6-9
Filters .......................................................................................................... 6-9
Filter types............................................................................................ 6-9
Front panel filter control...................................................................... 6-10
Remote filter programming ................................................................. 6-12
7 Reading Buffers...................................................................................... 7-1
Reading buffer overview ............................................................................. 7-2
Working with reading buffers in the local state............................................ 7-2
Reading buffer options.......................................................................... 7-2
Configuring reading buffers .................................................................. 7-3
Appending or overwriting existing reading buffers................................ 7-3
Storage operation ................................................................................. 7-4
Saving reading buffers.......................................................................... 7-4
Recalling readings................................................................................ 7-5
Working with reading buffers in the remote state........................................ 7-5
Reading buffer commands.................................................................... 7-7
Buffer status.......................................................................................... 7-9
Dynamic reading buffers..................................................................... 7-10
Buffer examples.................................................................................. 7-10
8 Digital I/O.................................................................................................. 8-1
Digital I/O port ............................................................................................. 8-2
Port configuration.................................................................................. 8-2
Digital I/O configuration ........................................................................ 8-3
Controlling digital I/O lines.................................................................... 8-4
Output enable (Models 2601A/2602A)........................................................ 8-5
Overview............................................................................................... 8-5
Operation.............................................................................................. 8-6
Front panel control of output enable..................................................... 8-6
Remote control of output enable........................................................... 8-7