Keithley 3722 Data Sheet

Keithley

Table of Contents

Series 3700 System Switch/Multimeter Reference Manual

iv

3700S-901-01 Rev. C / July 2008

Filter ..................................................................................................................................................... 5-8

Filter characteristics ..................................................................................................................................... 5-8

Digital filter window .................................................................................................................................... 5-10

Relative, Math, and dB .............................................................................................................. 6-1

Relative ................................................................................................................................................ 6-1

Basic front panel REL procedure ................................................................................................................. 6-2

REL remote operation .................................................................................................................................. 6-2

Scanning ...................................................................................................................................................... 6-3

Math calculations ................................................................................................................................. 6-3

mX+b ........................................................................................................................................................... 6-4

Percent ......................................................................................................................................................... 6-6

Reciprocal (1/X) ........................................................................................................................................... 6-7

dB commands .................................................................................................................................... 6-10

dB configuration ......................................................................................................................................... 6-10

dB scanning ............................................................................................................................................... 6-11

Buffer: Data Storage and Retrieval .......................................................................................... 7-1

Buffer overview .................................................................................................................................... 7-1

Front panel operation .......................................................................................................................... 7-2

Creating and selecting a reading buffer ....................................................................................................... 7-2

Selecting a reading buffer ............................................................................................................................ 7-3

Storing readings ........................................................................................................................................... 7-3

Saving readings ........................................................................................................................................... 7-3

Clearing readings ......................................................................................................................................... 7-4

Deleting a reading buffer .............................................................................................................................. 7-5

Recalling readings ....................................................................................................................................... 7-5

Buffer configuration (front panel) .................................................................................................................. 7-6

Appending readings ..................................................................................................................................... 7-7

Remote buffer operation ...................................................................................................................... 7-7

Data store (buffer) commands ..................................................................................................................... 7-8

Reading buffers .......................................................................................................................................... 7-12

Time and date values ................................................................................................................................. 7-16

Buffer status ............................................................................................................................................... 7-16

Dynamically-allocated buffers .................................................................................................................... 7-17

Dynamic buffer programming example ...................................................................................................... 7-18

Buffer for...do loops .................................................................................................................................... 7-19

Exceeding reading buffer capacity ............................................................................................................. 7-21

Scanning .................................................................................................................................... 8-1

Scanning fundamentals ....................................................................................................................... 8-1

Channel assignments................................................................................................................................... 8-2

Events .......................................................................................................................................................... 8-2

Foreground and background scan execution ............................................................................................... 8-3

Trigger model ............................................................................................................................................... 8-4