Keithley KPCMCIA-12AIAOH, User Manual

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Table of Contents
i
1 Introduction
Getting started ...................................................................................................................................................... 1-2
Features ................................................................................................................................................................ 1-3
Technical support ................................................................................................................................................. 1-4
2 Installation
Hardware setup .................................................................................................................................................... 2-2
Software setup...................................................................................................................................................... 2-2
3 Theory of Operation
Introduction .......................................................................................................................................................... 3-2
DC/DC power supply........................................................................................................................................... 3-2
Analog input multiplexer ..................................................................................................................................... 3-3
Programmable gain control .................................................................................................................................. 3-3
Scan list ................................................................................................................................................................ 3-3
Trigger circuit ...................................................................................................................................................... 3-4
A/D converter and data FIFO............................................................................................................................... 3-4
Interrupt and status............................................................................................................................................... 3-5
Digital I/O ............................................................................................................................................................ 3-5
A/D state machine ................................................................................................................................................ 3-6
D/A circuit............................................................................................................................................................ 3-7
Timer counter ....................................................................................................................................................... 3-7
4 I/O Connections
Introduction .......................................................................................................................................................... 4-2
Cable assembly .................................................................................................................................................... 4-2
5 Optional Accessories